1371 List of codes

List of codes, recommendations, guidelines and other safety- and security-related non-mandatory instruments

		dd-mm-yyyy = Entry into force
Document	MSC.1/Circ.1371	01-07-2010
Revised by	MSC.1/Circ.1371 Rev. 1	30-08-2011
Revised by	MSC.1/Circ.1371 Rev. 2	15-08-2012

1371 List of codesAnnex

List of codes, recommendations, guidelines and other safety- and security-related non-mandatory instruments

		dd-mm-yyyy = Entry into force
Document	MSC.1/Circ.1371	01-07-2010

1. The Maritime Safety Committee, at its eighty-seventh session (12 to 21 May 2010), acknowledging a that list of codes, recommendations, guidelines and other safety- and security-related non-mandatory instruments could serve the following purposes:
   
   
   1. enhanced awareness of available non-mandatory instruments and of their updates;
      
      
   2. promotion of implementation of non-mandatory instruments by Member States;
      
      
   3. provision of background material on domestic legislation; and
      
      
   4. assistance in the identification of potential areas for technical co-operation, approved the list of codes, recommendations, guidelines and other safety- and security-related non-mandatory instruments, as set out in the annex.
      
      
2. Member Governments are invited to bring the list to the attention of all parties concerned.

IMO body BLG

No.	Instrument	Name	IMO body	Remarks
1	A.115(V)	Recommendation on the treatment of spaces on board ships for the separation, clarification or purification, and the carriage of slop oil	BLG
2	A.328(IX)	Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (GC Code), as amended by MSC 38, MSC 40, MSC 42, MSC/Circ.356, MSC.25(60), MSC.34(63), MSC.60(67), MSC.107 (73) and MSC.182(79)	BLG	Now IGC Code, but still in force for ships built before 1 July 1986
3	A.329(IX)	Recommendations Concerning Ships not Covered by the Code For the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (Existing GC Code), as amended by MSC 38, MSC 40, MSC 42 and MSC 63/23/Add.1, annex 6	BLG	Now IGC Code, but still in force for ships not covered by GC Code
5	A.743(18)	Oil tanker safety and marine environmental protection	BLG
6	A.829(19)	Guidelines for the evaluation of the adequacy of type C tank vent systems	BLG
7	A.868(20)	Guidelines for the control and management of ships ballast water to minimize the transfer of harmful aquatic organisms and pathogens	BLG
8	MSC.7(48)	Recommendations on chemical tankers and gas carriers constructed before 1 July 1986	BLG
9	MSC.225(82)	Amendments to the Code for the Construction and Equipment of ships carrying Liquefied Gases in Bulk, as amended	BLG
10	MSC.150(77)	Recommendation for material safety data sheets for MARPOL Annex I cargoes and marine fuel oils	BLG
11	MSC.285(86)	Interim guidelines on safety for natural gas-fuelled engine installations in ships	BLG
12	MSC.286(86)	Recommendations for material safety data sheets (MSDS) for MARPOL Annex I oil cargo and oil fuel	BLG
13	MSC/Circ.285	Inert gas systems for chemical tankers	BLG
14	MSC/Circ.314	Calculation of the capacity of foam systems for chemical tankers (Code for the Construction and Equipment of Ships carrying Dangerous Chemicals in Bulk)	BLG
15	MSC/Circ.328/Rev.1	Carriage of Ethylene Oxide and Endorsement of Certificate of Fitness, GC Code	BLG
16	MSC/Circ.394	Procedures for the inspection, cleaning, passivation and loading of tanks for the carriage of certain cargoes (BCH Code and IBC Code)	BLG
17	MSC/Circ.495	Filter-type respiratory and eye protection equipment (Amendments to the BCH and GC Codes)	BLG
18	MSC/Circ.551	Cargo tank gauging. Interpretation of the term "closed device" as referred to in paragraph 3.9 in the BCH Code	BLG
19	MSC/Circ.585	Standards for vapour emission control systems	BLG
20	MSC/Circ.604	Interim arrangements for the assignment of the amended filling limit requirements under chapters 8 and 15 of the Gas Carrier Code	BLG
21	MSC/Circ.879	Equivalency arrangement for the carriage of styrene monomer	BLG
22	MSC/Circ.929	Application of cargo-tank venting requirements to combined chemical tankers	BLG
23	MSC/Circ.1095	Revised minimum safety standards for ships carrying liquids in bulk containing benzene	BLG	Revokes MSC/Circ.752
24	MSC/Circ.1116	Unified interpretations of the IBC and IGC Codes	BLG
25	MSC.1/Circ.1213	Interpretation and application of the IGC Code for ships carrying liquefied carbon dioxide in bulk	BLG
26	MSC.1/Circ.1220	Voluntary structural guidelines for new ships carrying liquids in bulk containing benzene	BLG
27	MSC.1/Circ.1303	Guidance on the provision for material safety data sheets when carrying oil or oil fuel, in accordance with SOLAS regulation VI/5-1	BLG
28	MSC.1/Circ.1323	Unified interpretation of the IBC Code	BLG
29	MSC.1/Circ.1325	Missing information on apparatus groups in column i'' of chapter 17 of the IBC Code	BLG

IMO body BLG

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
1	A.115(V)	Recommendation on the treatment of spaces on board ships for the separation, clarification or purification, and the carriage of slop oil	BLG
2	A.328(IX)	Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (GC Code), as amended by MSC 38, MSC 40, MSC 42, MSC/Circ.356, MSC.25(60), MSC.34(63), MSC.60(67), MSC.107 (73) and MSC.182(79)	BLG	Now IGC Code, but still in force for ships built before 1 July 1986
3	A.329(IX)	Recommendations Concerning Ships not Covered by the Code For the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (Existing GC Code), as amended by MSC 38, MSC 40, MSC 42 and MSC 63/23/Add.1, annex 6	BLG	Now IGC Code, but still in force for ships not covered by GC Code
5	A.743(18)	Oil tanker safety and marine environmental protection	BLG
6	A.829(19)	Guidelines for the evaluation of the adequacy of type C tank vent systems	BLG
7	A.868(20)	Guidelines for the control and management of ships ballast water to minimize the transfer of harmful aquatic organisms and pathogens	BLG
8	MSC.7(48)	Recommendations on chemical tankers and gas carriers constructed before 1 July 1986	BLG
9	MSC.225(82)	Amendments to the Code for the Construction and Equipment of ships carrying Liquefied Gases in Bulk, as amended	BLG
10	MSC.150(77)	Recommendation for material safety data sheets for MARPOL Annex I cargoes and marine fuel oils	BLG
11	MSC.285(86)	Interim guidelines on safety for natural gas-fuelled engine installations in ships	BLG
12	MSC.286(86)	Recommendations for material safety data sheets (MSDS) for MARPOL Annex I oil cargo and oil fuel	BLG
13	MSC/Circ.285	Inert gas systems for chemical tankers	BLG
14	MSC/Circ.314	Calculation of the capacity of foam systems for chemical tankers (Code for the Construction and Equipment of Ships carrying Dangerous Chemicals in Bulk)	BLG
15	MSC/Circ.328/Rev.1	Carriage of Ethylene Oxide and Endorsement of Certificate of Fitness, GC Code	BLG
16	MSC/Circ.394	Procedures for the inspection, cleaning, passivation and loading of tanks for the carriage of certain cargoes (BCH Code and IBC Code)	BLG
17	MSC/Circ.495	Filter-type respiratory and eye protection equipment (Amendments to the BCH and GC Codes)	BLG
18	MSC/Circ.551	Cargo tank gauging. Interpretation of the term "closed device" as referred to in paragraph 3.9 in the BCH Code	BLG
19	MSC/Circ.585	Standards for vapour emission control systems	BLG
20	MSC/Circ.604	Interim arrangements for the assignment of the amended filling limit requirements under chapters 8 and 15 of the Gas Carrier Code	BLG
21	MSC/Circ.879	Equivalency arrangement for the carriage of styrene monomer	BLG
22	MSC/Circ.929	Application of cargo-tank venting requirements to combined chemical tankers	BLG
23	MSC/Circ.1095	Revised minimum safety standards for ships carrying liquids in bulk containing benzene	BLG	Revokes MSC/Circ.752
24	MSC/Circ.1116	Unified interpretations of the IBC and IGC Codes	BLG
25	MSC.1/Circ.1213	Interpretation and application of the IGC Code for ships carrying liquefied carbon dioxide in bulk	BLG
26	MSC.1/Circ.1220	Voluntary structural guidelines for new ships carrying liquids in bulk containing benzene	BLG
27	MSC.1/Circ.1303	Guidance on the provision for material safety data sheets when carrying oil or oil fuel, in accordance with SOLAS regulation VI/5-1	BLG
28	MSC.1/Circ.1323	Unified interpretation of the IBC Code	BLG
29	MSC.1/Circ.1325	Missing information on apparatus groups in column i'' of chapter 17 of the IBC Code	BLG
	MSC.1/Circ.1363	Interim Guidelines for the construction and equipment of ships carryingnatural gas hydrate pellets (NGHP) in bulk	BLG
	MSC.1/Circ.1401	Guidelines on tank entry for tankers using nitrogen as an inerting medium	BLG

IMO body BLG/DE

No.	Instrument	Name	IMO body	Remarks
30	MSC/Circ.286	Guidelines for uniform application of survival requirements of Bulk Chemical Code and Gas Carrier Code	BLG/DE

IMO body BLG/SLF

No.	Instrument	Name	IMO body	Remarks
31	MSC/Circ.406/Rev.1	Guidelines on interpretation of the IBC and IGC Codes and guidelines for the uniform application of the survival requirements of the IBC and IGC Codes	BLG/SLF

IMO body BLG/SLF/DSC

No.	Instrument	Name	IMO body	Remarks
4	A.673(16)	Guidelines for the transport and handling of limited amounts of hazardous and noxious liquid substances in bulk in offshore support vessels, as amended by MSC.184(79) and MSC.236(82)	BLG/SLF/DSC

IMO body COMSAR

No.	Instrument	Name	IMO body	Remarks
32	A.525(13)	Performance standards for narrow-band direct printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Now in MSC.148(77), but still in force for equipment installed before 1 July 2005
33	A.530(13)	Use of radar transponders for search and rescue purposes	COMSAR
34	A.570(14)	Type approval of ship-earth stations	COMSAR
35	A.606(15)	Review and evaluation of the Global Maritime Distress and Safety System (GMDSS)	COMSAR	To be reviewed in parallel with the upcoming Review of the GMDSS
36	A.609(15)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling	COMSAR	1) Now in A.803 (19), but still in force for equipment installed before 23 November 1996 2) A.385(X) overtaken by time
37	A.610(15)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling	COMSAR	Now in A.804(19), but still in force for equipment installed before 23 November 1996
38	A.612(15)	Performance standards for float-free VHF emergency position-indicating radio beacons	COMSAR	Now in A.805(19), but still in force for equipment installed before 23 November 1996
39	A.613(15)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling	COMSAR	Now in A.806(19), but still in force for equipment installed before 23 November 1996
40	A.662(16)	Performance standards for float-free release and activation arrangements for emergency radio equipment	COMSAR
41	A.663(16)	Performance standards for INMARSAT standards-C ship-earth stations capable of transmitting and receiving direct-printing communications	COMSAR	Now in A.807(19), but still in force for equipment installed before 23 November 1996
42	A.664(16)	Performance standards for enhanced group call equipment	COMSAR	To be revised (Proposed in COMSAR 14/3/4)
43	A.696(17)	Type approval of satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating in the COSPAS-SARSAT system	COMSAR
44	A.698(17)	Performance standards for ship earth stations capable of two-way communications	COMSAR	Now A.808(19), but still in force for equipment installed before 23 November 1996
45	A.700(17)	Performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships (MS) by HF	COMSAR
46	A.701(17)	Carriage of Inmarsat enhanced group call SafetyNET receivers under the Global Maritime Distress and Safety System (GMDSS)	COMSAR	To be revised (Proposed in COMSAR 14/3/4)
47	A.702(17)	Radio maintenance guidelines for the Global Maritime Distress and Safety System (GMDSS) related to sea areas A3 and A4	COMSAR
48	A.705(17)	Recommendation on the promulgation of MSI as amended by MSC.1/Circ.1287	COMSAR
49	A.706(17)	World-wide navigation warning service, as amended by MSC.1/Circ.1288	COMSAR	MSC.1/Circ.1288 revokes MSC/Circ.685, MSC/Circ.750 and MSC/Circ.957
50	A.707(17)	Charges for distress, urgency and safety messages through the Inmarsat system	COMSAR
51	A.762(18)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Now in A.809(19), but still in force for equipment installed before 23 November 1996
52	A.763(18)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz	COMSAR	Now in A.810(19), but still in force for equipment installed before 23 November 1996
53	A.801(19)	Provision of radio services for the Global Maritime Distress and Safety System (GMDSS), as amended by MSC.199(80)	COMSAR
54	A.802(19)	Performance standards for survival craft radar transponders for use in search and rescue operations, as amended by MSC.247(83)	COMSAR
55	A.803(19)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.609(15)
56	A.804(19)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.610(15)
57	A.805(19	Performance standards for float-free VHF Emergency Position-Indicating Radio Beacons	COMSAR	Refer to remarks on A.612(15)
58	A.806(19)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.613(15)
59	A.807(19)	Performance standards for Inmarsat-C ship earth stations capable of transmitting and receiving direct-printing communications, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.663(16)
60	A.808(19)	Performance standards for ship-earth stations capable of two-way communications	COMSAR	Refer to remarks on A.698(17)
61	A.809(19)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Annex 1 revised by MSC.149(77) Refer to A.762(18)
62	A.810(19)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz, as amended by MSC.56(66) and MSC.120(74)	COMSAR	Refer to remarks on A.763(18)
63	A.811(19)	Performance standards for a shipborne integrated radiocommunication system (IRCS) when used in the GMDSS	COMSAR
64	A.814(19)	Guidelines for the avoidance of false distress alerts	COMSAR
65	A.887(21)	Establishment, updating and retrieval of the information contained in the registration databases for the Global Maritime Distress and Safety System (GMDSS)	COMSAR
66	A.894(21)	International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual, as amended by MSC/Circ.999, MSC/Circ.1044, MSC/Circ.1080, MSC/Circ.1124, MSC/Circ.1173, MSC.1/Circ.1181, MSC.1/Circ.1289 and MSC.1/Circ.1311	COMSAR
67	A.1001(25)	Criteria for the provision of mobile satellite communication systems in the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Revokes A.888(21) and MSC/Circ.1077
68	COM/Circ.105 and Corr.1	Clarification of certain provisions of the 1988 SOLAS amendments for the GMDSS	COMSAR
69	COM/Circ.108	GMDSS operating guidance for masters of ships in distress situation	COMSAR
70	COM/Circ.110 and Corr.1	Clarification of SOLAS regulations IV/6.1, IV/6.2.2 and IV/10.1.1.3	COMSAR
71	COM/Circ.117	Clarification of the application of certain provisions of chapter IV of the SOLAS Convention	COMSAR
72	COMSAR/Circ.13	Shore-to-ship communication during a distress	COMSAR
73	COMSAR/Circ.15	Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	Revokes COMSAR/Circ.4 To be deleted after 1 January 2011 (to be superseded by MSC.1/Circ.1310 from 1 January 2011) COM/Circ.124 overtaken by time
74	COMSAR/Circ.17	Recommendation on use of GMDSS equipment for non-safety communications	COMSAR
75	COMSAR/Circ.25	Procedure for responding to DSC distress alerts by ships	COMSAR	Revokes COMSAR/Circ.2 and COMSAR/Circ.21
76	COMSAR/Circ.27	Data format for a new combined SAR.2 and SAR.3 circular concerning information on the current availability of SAR services	COMSAR	To be revised (Proposed in COMSAR 14/6/2)
77	COMSAR/Circ.28	International NAVTEX service	COMSAR
78	COMSAR/Circ.29	Guidance for the Voluntary Use of the Standardized Questionnaires and Formats for Reporting False Alerts in Collecting Data on False Alerts	COMSAR
79	COMSAR/Circ.31	Guidance for Mass Rescue Operations	COMSAR
80	COMSAR/Circ.32	Harmonization of GMDSS requirements for radio installation on board SOLAS ships	COMSAR	COMSAR/Circ.16 overtaken by time
81	COMSAR/Circ.34	Clarification on the use of NAVTEX B3 B4 characters = 00 and NAVTEX service areas	COMSAR
82	COMSAR/Circ.35	Recommendations on MF/HF DSC test calls to coast stations	COMSAR
83	COMSAR/Circ.36	Broadcast of Warnings for Tsunamis and other natural disasters	COMSAR
84	COMSAR/Circ.37	Guidance on Minimum Communication Needs of Maritime Rescue Co-ordination Centres (MRCCs)	COMSAR
85	COMSAR/Circ.41	Analysis of maritime safety information promulgated via the EGC SafetyNET	COMSAR
86	COMSAR/Circ.45	Guidance on distress alerts	COMSAR
87	COMSAR/Circ.46	AIS safety-related messaging	COMSAR
88	MSC.80(70)	New performance standards for radiocommunication equipment	COMSAR
89	MSC.130(75)	Performance standards for INMARSAT ship-earth stations capable of two-way communication	COMSAR
90	MSC.131(75)	Maintenance of a continuous listening watch on the channel 16 by SOLAS ships whilst at sea and installation of VHF DSC facilities on non-SOLAS ships	COMSAR	Supersedes MSC.77(69)
91	MSC.148(77)	Revised performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Refer to remarks on A.525(13)
92	MSC.149(77)	Revised performance standards for survival craft portable two-way radiotelephone apparatus	COMSAR	As replacement for COMSAR/Circ.125
93	MSC.246(83)	Performance standards for AIS search and rescue transmitters (AIS-SART) for use in search and rescue operations	COMSAR	Installed on or after 1 January 2010
94	MSC/Circ.660	Proper use of lanyards attached to satellite EPIRBs	COMSAR
95	MSC/Circ.803	Participation of non-SOLAS ships in the GMDSS	COMSAR	MSC/Circ.469 overtaken by time
96	MSC/Circ.805	Guidance for the use of radio signals by ships under attack or threat of attack from pirates or armed robbers	COMSAR
97	MSC/Circ.862	Clarification of certain requirements in IMO performance standards for GMDSS equipment	COMSAR
98	MSC/Circ.883	Maritime safety and ship-earth station barring procedures	COMSAR
99	MSC/Circ.960	Medical assistance at sea	COMSAR
100	MSC/Circ.1038	Guidelines for general radiocommunications	COMSAR
101	MSC/Circ.1039	Guidelines for shore-based maintenance of satellite EPIRBs	COMSAR
102	MSC/Circ.1040	Guidelines on annual testing of 406 MHz satellite EPIRBs	COMSAR	Supersedes MSC/Circ.882
103	MSC/Circ.1079	Guidelines for preparing plans for cooperation between search and rescue services and passenger ships (in accordance with SOLAS regulation V/7.3)	COMSAR	MSC/Circ.864 and MSC/Circ.1000 overtaken by time
104	MSC/Circ.1105	Guidance on responsibility and liability issues related to the use of the emergency medical kit/bag and evaluation of its use in emergency incidents	COMSAR
105	MSC/Circ.1110	Matters related to SOLAS regulations XI-2/6 and XI-2/7	COMSAR
106	MSC/Circ.1122	The revised NAVTEX Manual	COMSAR
107	MSC/Circ.1129	Guidance on the establishment of medical and sanitation-related programmes for passenger ships	COMSAR
108	MSC/Circ.1172	Identification of passenger ships, other than ro-ro passenger ships, which should benefit from being equipped with the Emergency Medical Kit/bag (EMK)	COMSAR
109	MSC.1/Circ.1182	Guide to recovery techniques	COMSAR
110	MSC.1/Circ.1183	Guidelines on the provision of external support as an aid to incident containment for SAR Authorities and others concerned	COMSAR
111	MSC.1/Circ.1184	Enhanced contingency planning guidance for passenger ships operating in areas remote from SAR facilities	COMSAR
112	MSC.1/Circ.1186	Guidelines on training of SAR service personnel working in major incidents	COMSAR
113	MSC.1/Circ.1210	COSPAS-SARSAT International 406 MHz Beacon Registration Database	COMSAR
114	MSC.1/Circ.1218	Guidance on exchange of medical information between telemedical assistance services involved in international SAR operations	COMSAR
115	MSC.1/Circ.1248	Minimizing delays in search and rescue response to distress alerts	COMSAR
116	MSC.1/Circ.1249	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2008
117	MSC.1/Circ.1251	Guidelines on the control of ships in an emergency	COMSAR
118	MSC.1/Circ.1310	Revised Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	Supersedes COMSAR/Circ.15 and amendments come into force on 1 January 2011
119	MSC.1/Circ.1311	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2010

IMO body COMSAR

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
32	A.525(13)	Performance standards for narrow-band direct printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Now in MSC.148(77), but still in force for equipment installed before 1 July 2005
33	A.530(13)	Use of radar transponders for search and rescue purposes	COMSAR
34	A.570(14)	Type approval of ship-earth stations	COMSAR
35	A.606(15)	Review and evaluation of the Global Maritime Distress and Safety System (GMDSS)	COMSAR	To be reviewed in parallel with the upcoming Review of the GMDSS
36	A.609(15)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling	COMSAR	1) Now in A.803 (19), but still in force for equipment installed before 23 November 1996 2) A.385(X) overtaken by time
37	A.610(15)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling	COMSAR	Now in A.804(19), but still in force for equipment installed before 23 November 1996
38	A.612(15)	Performance standards for float-free VHF emergency position-indicating radio beacons	COMSAR	Now in A.805(19), but still in force for equipment installed before 23 November 1996
39	A.613(15)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling	COMSAR	Now in A.806(19), but still in force for equipment installed before 23 November 1996
40	A.662(16)	Performance standards for float-free release and activation arrangements for emergency radio equipment	COMSAR
41	A.663(16)	Performance standards for INMARSAT standards-C ship-earth stations capable of transmitting and receiving direct-printing communications	COMSAR	Now in A.807(19), but still in force for equipment installed before 23 November 1996
42	A.664(16)	Performance standards for enhanced group call equipment	COMSAR	Applies if installed before 1July 2012 (See MSC.306(87))
43	A.696(17)	Type approval of satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating in the COSPAS-SARSAT system	COMSAR
44	A.698(17)	Performance standards for ship earth stations capable of two-way communications	COMSAR	Now A.808(19), but still in force for equipment installed before 23 November 1996
45	A.700(17)	Performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships (MS) by HF	COMSAR
46	DELETED A.701(17)	Carriage of Inmarsat enhanced group call SafetyNET receivers under the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Obsolete as agreed by COMSAR 14 To be revised (Proposed in COMSAR 14/3/4)
47	A.702(17)	Radio maintenance guidelines for the Global Maritime Distress and Safety System (GMDSS) related to sea areas A3 and A4	COMSAR
48	A.705(17)	Recommendation on the promulgation of MSI as amended by MSC.1/Circ.1287	COMSAR
49	A.706(17)	World-wide navigation warning service, as amended by MSC.1/Circ.1288	COMSAR	MSC.1/Circ.1288 revokes MSC/Circ.685, MSC/Circ.750 and MSC/Circ.957
50	A.707(17)	Charges for distress, urgency and safety messages through the Inmarsat system	COMSAR
51	A.762(18)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Now in A.809(19), but still in force for equipment installed before 23 November 1996
52	A.763(18)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz	COMSAR	Now in A.810(19), but still in force for equipment installed before 23 November 1996
53	A.801(19)	Provision of radio services for the Global Maritime Distress and Safety System (GMDSS), as amended by MSC.199(80)	COMSAR
54	A.802(19)	Performance standards for survival craft radar transponders for use in search and rescue operations, as amended by MSC.247(83)	COMSAR
55	A.803(19)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.609(15)
56	A.804(19)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.610(15)
57	A.805(19	Performance standards for float-free VHF Emergency Position-Indicating Radio Beacons	COMSAR	Refer to remarks on A.612(15)
58	A.806(19)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.613(15)
59	A.807(19)	Performance standards for Inmarsat-C ship earth stations capable of transmitting and receiving direct-printing communications, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.663(16)
60	A.808(19)	Performance standards for ship-earth stations capable of two-way communications	COMSAR	Refer to remarks on A.698(17)
61	A.809(19)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Annex 1 revised by MSC.149(77) Refer to A.762(18)
62	A.810(19)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz, as amended by MSC.56(66) and MSC.120(74)	COMSAR	Refer to remarks on A.763(18)
63	A.811(19)	Performance standards for a shipborne integrated radiocommunication system (IRCS) when used in the GMDSS	COMSAR
64	A.814(19)	Guidelines for the avoidance of false distress alerts	COMSAR
65	A.887(21)	Establishment, updating and retrieval of the information contained in the registration databases for the Global Maritime Distress and Safety System (GMDSS)	COMSAR
66	A.894(21)	International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual, as amended by MSC/Circ.999, MSC/Circ.1044, MSC/Circ.1080, MSC/Circ.1124, MSC/Circ.1173, MSC.1/Circ.1181, MSC.1/Circ.1289 and MSC.1/Circ.1311	COMSAR
67	A.1001(25)	Criteria for the provision of mobile satellite communication systems in the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Revokes A.888(21) and MSC/Circ.1077
68	COM/Circ.105 and Corr.1	Clarification of certain provisions of the 1988 SOLAS amendments for the GMDSS	COMSAR
69	COM/Circ.108	GMDSS operating guidance for masters of ships in distress situation	COMSAR
70	COM/Circ.110 and Corr.1	Clarification of SOLAS regulations IV/6.1, IV/6.2.2 and IV/10.1.1.3	COMSAR
71	COM/Circ.117	Clarification of the application of certain provisions of chapter IV of the SOLAS Convention	COMSAR
72	COMSAR/Circ.13	Shore-to-ship communication during a distress	COMSAR
73	DELETED COMSAR/Circ.15	Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	See MSC.1/Circ.1310 Revokes COMSAR/Circ.4 To be deleted after 1 January 2011 (to be superseded by MSC.1/Circ.1310 from 1 January 2011) COM/Circ.124 overtaken by time
74	COMSAR/Circ.17	Recommendation on use of GMDSS equipment for non-safety communications	COMSAR
75	COMSAR/Circ.25	Procedure for responding to DSC distress alerts by ships	COMSAR	Revokes COMSAR/Circ.2 and COMSAR/Circ.21
76	DELETED COMSAR/Circ.27	Data format for a new combined SAR.2 and SAR.3 circular concerning information on the current availability of SAR services	COMSAR	See COMSAR.1/Circ.52 To be revised (Proposed in COMSAR 14/6/2)
77	COMSAR/Circ.28	International NAVTEX service	COMSAR
78	COMSAR/Circ.29	Guidance for the Voluntary Use of the Standardized Questionnaires and Formats for Reporting False Alerts in Collecting Data on False Alerts	COMSAR
79	COMSAR/Circ.31	Guidance for Mass Rescue Operations	COMSAR
80	COMSAR/Circ.32	Harmonization of GMDSS requirements for radio installation on board SOLAS ships	COMSAR	COMSAR/Circ.16 overtaken by time
81	DELETED COMSAR/Circ.34	Clarification on the use of NAVTEX B3 B4 characters = 00 and NAVTEX service areas	COMSAR	See MSC.1/Circ.1403
82	COMSAR/Circ.35	Recommendations on MF/HF DSC test calls to coast stations	COMSAR
83	COMSAR/Circ.36	Broadcast of Warnings for Tsunamis and other natural disasters	COMSAR
84	COMSAR/Circ.37	Guidance on Minimum Communication Needs of Maritime Rescue Co-ordination Centres (MRCCs)	COMSAR
85	COMSAR/Circ.41	Analysis of maritime safety information promulgated via the EGC SafetyNET	COMSAR
86	COMSAR/Circ.45	Guidance on distress alerts	COMSAR
87	COMSAR/Circ.46	AIS safety-related messaging	COMSAR
88	MSC.80(70)	New performance standards for radiocommunication equipment	COMSAR
89	MSC.130(75)	Performance standards for INMARSAT ship-earth stations capable of two-way communication	COMSAR
90	MSC.131(75)	Maintenance of a continuous listening watch on the channel 16 by SOLAS ships whilst at sea and installation of VHF DSC facilities on non-SOLAS ships	COMSAR	Supersedes MSC.77(69)
91	MSC.148(77)	Revised performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Refer to remarks on A.525(13)
92	MSC.149(77)	Revised performance standards for survival craft portable two-way radiotelephone apparatus	COMSAR	As replacement for COMSAR/Circ.125
93	MSC.246(83)	Performance standards for AIS search and rescue transmitters (AIS-SART) for use in search and rescue operations	COMSAR	Installed on or after 1 January 2010
94	MSC/Circ.660	Proper use of lanyards attached to satellite EPIRBs	COMSAR
95	MSC/Circ.803	Participation of non-SOLAS ships in the GMDSS	COMSAR	MSC/Circ.469 overtaken by time
96	MSC/Circ.805	Guidance for the use of radio signals by ships under attack or threat of attack from pirates or armed robbers	COMSAR
97	MSC/Circ.862	Clarification of certain requirements in IMO performance standards for GMDSS equipment	COMSAR
98	MSC/Circ.883	Maritime safety and ship-earth station barring procedures	COMSAR
99	MSC/Circ.960	Medical assistance at sea	COMSAR
100	MSC/Circ.1038	Guidelines for general radiocommunications	COMSAR
101	MSC/Circ.1039	Guidelines for shore-based maintenance of satellite EPIRBs	COMSAR
102	MSC/Circ.1040	Guidelines on annual testing of 406 MHz satellite EPIRBs	COMSAR	Supersedes MSC/Circ.882
103	MSC/Circ.1079	Guidelines for preparing plans for cooperation between search and rescue services and passenger ships (in accordance with SOLAS regulation V/7.3)	COMSAR	MSC/Circ.864 and MSC/Circ.1000 overtaken by time
104	MSC/Circ.1105	Guidance on responsibility and liability issues related to the use of the emergency medical kit/bag and evaluation of its use in emergency incidents	COMSAR
105	MSC/Circ.1110	Matters related to SOLAS regulations XI-2/6 and XI-2/7	COMSAR
106	MSC/Circ.1122	The revised NAVTEX Manual	COMSAR
107	MSC/Circ.1129	Guidance on the establishment of medical and sanitation-related programmes for passenger ships	COMSAR
108	MSC/Circ.1172	Identification of passenger ships, other than ro-ro passenger ships, which should benefit from being equipped with the Emergency Medical Kit/bag (EMK)	COMSAR
109	MSC.1/Circ.1182	Guide to recovery techniques	COMSAR
110	MSC.1/Circ.1183	Guidelines on the provision of external support as an aid to incident containment for SAR Authorities and others concerned	COMSAR
111	MSC.1/Circ.1184	Enhanced contingency planning guidance for passenger ships operating in areas remote from SAR facilities	COMSAR
112	MSC.1/Circ.1186	Guidelines on training of SAR service personnel working in major incidents	COMSAR
113	MSC.1/Circ.1210	COSPAS-SARSAT International 406 MHz Beacon Registration Database	COMSAR
114	MSC.1/Circ.1218	Guidance on exchange of medical information between telemedical assistance services involved in international SAR operations	COMSAR
115	MSC.1/Circ.1248	Minimizing delays in search and rescue response to distress alerts	COMSAR
116	MSC.1/Circ.1249	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2008
117	MSC.1/Circ.1251	Guidelines on the control of ships in an emergency	COMSAR
118	MSC.1/Circ.1310	Revised Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	Supersedes COMSAR/Circ.15 and amendments come into force on 1 January 2011
119	MSC.1/Circ.1311	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2010
	MSC.306(87)	Revised performance standards for enhanced group call (EGC) equipment	COMSAR	Applies if installed on or after 1July 2012
	COMSAR.1/Circ.49	List of LAND EARTH STATION (LES) operation coordinators in the INMARSAT system	COMSAR	Supersedes COMSAR.1/Circ.48
	COMSAR.1/Circ.50	Distress priority communications for RCC from shore to ship via INMARSAT	COMSAR	Supersedes COMSAR.1/Circ.47
	COMSAR.1/Circ.51/Rev.2	List of NAVAREA Coordinators	COMSAR	Supersedes COMSAR.1/Circ.51/Rev.1
	COMSAR.1/Circ.52	Questionnaire on the availability of Search And Rescue (SAR) services	COMSAR	Supersedes COMSAR/Circ.27
	MSC.1/Circ.1364	Revised International SafetyNET Manual	COMSAR	Supersedes MSC/Circ.1064 and replaces the existing text of International SafeNET Manual
	MSC.1/Circ.1365	Commercially available locating, tracking and emergency notification devices	COMSAR
	MSC.1/Circ.1366	Medical assistance at sea – yacht racing	COMSAR
	MSC.1/Circ.1367	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR
	MSC.1/Circ.1382	Questionnaire on the availability of shore based facilities for the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Supersedes MSC/Circ.684
	MSC.1/Circ.1383	Unified Interpretation of the International Code of Safety for High Speed Craft, 1994 (1994 HSC Code)		Chapter 14 – Radiocommunications
	MSC.1/Circ.1403	Revised NAVTEX Manual		Supersedes COMSAR/Circ.7, COMSAR/Circ.28 andCOMSAR/Circ.34, and replaces the existing text of the NAVTEX Manual

IMO body COMSAR

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
32	A.525(13)	Performance standards for narrow-band direct printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Now in MSC.148(77), but still in force for equipment installed before 1 July 2005
33	A.530(13)	Use of radar transponders for search and rescue purposes	COMSAR
34	A.570(14)	Type approval of ship-earth stations	COMSAR
35	A.606(15)	Review and evaluation of the Global Maritime Distress and Safety System (GMDSS)	COMSAR	To be reviewed in parallel with the upcoming Review of the GMDSS
36	A.609(15)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling	COMSAR	1) Now in A.803 (19), but still in force for equipment installed before 23 November 1996 2) A.385(X) overtaken by time
37	A.610(15)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling	COMSAR	Now in A.804(19), but still in force for equipment installed before 23 November 1996
38	A.612(15)	Performance standards for float-free VHF emergency position-indicating radio beacons	COMSAR	Now in A.805(19), but still in force for equipment installed before 23 November 1996
39	A.613(15)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling	COMSAR	Now in A.806(19), but still in force for equipment installed before 23 November 1996
40	A.662(16)	Performance standards for float-free release and activation arrangements for emergency radio equipment	COMSAR
41	A.663(16)	Performance standards for INMARSAT standards-C ship-earth stations capable of transmitting and receiving direct-printing communications	COMSAR	Now in A.807(19), but still in force for equipment installed before 23 November 1996
42	A.664(16)	Performance standards for enhanced group call equipment	COMSAR	Applies if installed before 1July 2012 (See MSC.306(87))
43	A.696(17)	Type approval of satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating in the COSPAS-SARSAT system	COMSAR
44	A.698(17)	Performance standards for ship earth stations capable of two-way communications	COMSAR	Now A.808(19), but still in force for equipment installed before 23 November 1996
45	A.700(17)	Performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships (MS) by HF	COMSAR
46	DELETED
47	A.702(17)	Radio maintenance guidelines for the Global Maritime Distress and Safety System (GMDSS) related to sea areas A3 and A4	COMSAR
48	A.705(17)	Recommendation on the promulgation of MSI as amended by MSC.1/Circ.1287	COMSAR
49	A.706(17)	World-wide navigation warning service, as amended by MSC.1/Circ.1288	COMSAR	MSC.1/Circ.1288 revokes MSC/Circ.685, MSC/Circ.750 and MSC/Circ.957
50	A.707(17)	Charges for distress, urgency and safety messages through the Inmarsat system	COMSAR
51	A.762(18)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Now in A.809(19), but still in force for equipment installed before 23 November 1996
52	A.763(18)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz	COMSAR	Now in A.810(19), but still in force for equipment installed before 23 November 1996
53	A.801(19)	Provision of radio services for the Global Maritime Distress and Safety System (GMDSS), as amended by MSC.199(80)	COMSAR
54	A.802(19)	Performance standards for survival craft radar transponders for use in search and rescue operations, as amended by MSC.247(83)	COMSAR
55	A.803(19)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.609(15)
56	A.804(19)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.610(15)
57	A.805(19	Performance standards for float-free VHF Emergency Position-Indicating Radio Beacons	COMSAR	Refer to remarks on A.612(15)
58	A.806(19)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.613(15)
59	A.807(19)	Performance standards for Inmarsat-C ship earth stations capable of transmitting and receiving direct-printing communications, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.663(16)
60	A.808(19)	Performance standards for ship-earth stations capable of two-way communications	COMSAR	Refer to remarks on A.698(17)
61	A.809(19)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Annex 1 revised by MSC.149(77) Refer to A.762(18)
62	A.810(19)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz, as amended by MSC.56(66) and MSC.120(74)	COMSAR	Refer to remarks on A.763(18)
63	A.811(19)	Performance standards for a shipborne integrated radiocommunication system (IRCS) when used in the GMDSS	COMSAR
64	A.814(19)	Guidelines for the avoidance of false distress alerts	COMSAR
65	A.887(21)	Establishment, updating and retrieval of the information contained in the registration databases for the Global Maritime Distress and Safety System (GMDSS)	COMSAR
66	A.894(21)	International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual, as amended by MSC/Circ.999, MSC/Circ.1044, MSC/Circ.1080, MSC/Circ.1124, MSC/Circ.1173, MSC.1/Circ.1181, MSC.1/Circ.1289, MSC.1/Circ.1311 and MSC.1/Circ.1415	COMSAR
67	A.1001(25)	Criteria for the provision of mobile satellite communication systems in the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Revokes A.888(21) and MSC/Circ.1077
68	COM/Circ.105 and Corr.1	Clarification of certain provisions of the 1988 SOLAS amendments for the GMDSS	COMSAR
69	COM/Circ.108	GMDSS operating guidance for masters of ships in distress situation	COMSAR
70	COM/Circ.110 and Corr.1	Clarification of SOLAS regulations IV/6.1, IV/6.2.2 and IV/10.1.1.3	COMSAR
71	COM/Circ.117	Clarification of the application of certain provisions of chapter IV of the SOLAS Convention	COMSAR
72	COMSAR/Circ.13	Shore-to-ship communication during a distress	COMSAR
73	DELETED
74	COMSAR/Circ.17	Recommendation on use of GMDSS equipment for non-safety communications	COMSAR
75	COMSAR/Circ.25	Procedure for responding to DSC distress alerts by ships	COMSAR	Revokes COMSAR/Circ.2 and COMSAR/Circ.21
76	DELETED
77	DELETED COMSAR/Circ.28	International NAVTEX service	COMSAR	Superseded by MSC.1/Circ.1403
78	COMSAR/Circ.29	Guidance for the Voluntary Use of the Standardized Questionnaires and Formats for Reporting False Alerts in Collecting Data on False Alerts	COMSAR
79	COMSAR/Circ.31	Guidance for Mass Rescue Operations	COMSAR
80	COMSAR/Circ.32	Harmonization of GMDSS requirements for radio installation on board SOLAS ships	COMSAR	COMSAR/Circ.16 overtaken by time
81	DELETED
82	COMSAR/Circ.35	Recommendations on MF/HF DSC test calls to coast stations	COMSAR
83	COMSAR/Circ.36	Broadcast of Warnings for Tsunamis and other natural disasters	COMSAR
84	COMSAR/Circ.37	Guidance on Minimum Communication Needs of Maritime Rescue Co-ordination Centres (MRCCs)	COMSAR
85	COMSAR/Circ.41	Analysis of maritime safety information promulgated via the EGC SafetyNET	COMSAR
86	COMSAR/Circ.45	Guidance on distress alerts	COMSAR
87	COMSAR/Circ.46	AIS safety-related messaging	COMSAR
88	MSC.80(70)	New performance standards for radiocommunication equipment	COMSAR
89	MSC.130(75)	Performance standards for INMARSAT ship-earth stations capable of two-way communication	COMSAR
90	MSC.131(75)	Maintenance of a continuous listening watch on the channel 16 by SOLAS ships whilst at sea and installation of VHF DSC facilities on non-SOLAS ships	COMSAR	Supersedes MSC.77(69)
91	MSC.148(77)	Revised performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Refer to remarks on A.525(13)
92	MSC.149(77)	Revised performance standards for survival craft portable two-way radiotelephone apparatus	COMSAR	As replacement for COMSAR/Circ.125
93	MSC.246(83)	Performance standards for AIS search and rescue transmitters (AIS-SART) for use in search and rescue operations	COMSAR	Installed on or after 1 January 2010
94	MSC/Circ.660	Proper use of lanyards attached to satellite EPIRBs	COMSAR
95	MSC/Circ.803	Participation of non-SOLAS ships in the GMDSS	COMSAR	MSC/Circ.469 overtaken by time
96	MSC/Circ.805	Guidance for the use of radio signals by ships under attack or threat of attack from pirates or armed robbers	COMSAR
97	MSC/Circ.862	Clarification of certain requirements in IMO performance standards for GMDSS equipment	COMSAR
98	MSC/Circ.883	Maritime safety and ship-earth station barring procedures	COMSAR
99	MSC/Circ.960	Medical assistance at sea	COMSAR
100	MSC/Circ.1038	Guidelines for general radiocommunications	COMSAR
101	MSC/Circ.1039	Guidelines for shore-based maintenance of satellite EPIRBs	COMSAR
102	MSC/Circ.1040/Rev.1	Guidelines on annual testing of 406 MHz satellite EPIRBs	COMSAR	Supersedes MSC/Circ.1040
103	MSC/Circ.1079	Guidelines for preparing plans for cooperation between search and rescue services and passenger ships (in accordance with SOLAS regulation V/7.3)	COMSAR	MSC/Circ.864 and MSC/Circ.1000 overtaken by time
104	MSC/Circ.1105	Guidance on responsibility and liability issues related to the use of the emergency medical kit/bag and evaluation of its use in emergency incidents	COMSAR
105	MSC/Circ.1110	Matters related to SOLAS regulations XI-2/6 and XI-2/7	COMSAR
106	MSC/Circ.1122	The revised NAVTEX Manual	COMSAR
107	MSC/Circ.1129	Guidance on the establishment of medical and sanitation-related programmes for passenger ships	COMSAR
108	MSC/Circ.1172	Identification of passenger ships, other than ro-ro passenger ships, which should benefit from being equipped with the Emergency Medical Kit/bag (EMK)	COMSAR
109	MSC.1/Circ.1182	Guide to recovery techniques	COMSAR
110	MSC.1/Circ.1183	Guidelines on the provision of external support as an aid to incident containment for SAR Authorities and others concerned	COMSAR
111	MSC.1/Circ.1184	Enhanced contingency planning guidance for passenger ships operating in areas remote from SAR facilities	COMSAR
112	MSC.1/Circ.1186	Guidelines on training of SAR service personnel working in major incidents	COMSAR
113	MSC.1/Circ.1210	COSPAS-SARSAT International 406 MHz Beacon Registration Database	COMSAR
114	MSC.1/Circ.1218	Guidance on exchange of medical information between telemedical assistance services involved in international SAR operations	COMSAR
115	MSC.1/Circ.1248	Minimizing delays in search and rescue response to distress alerts	COMSAR
116	MSC.1/Circ.1249	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2008
117	MSC.1/Circ.1251	Guidelines on the control of ships in an emergency	COMSAR
118	MSC.1/Circ.1310	Revised Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	Supersedes COMSAR/Circ.15 and amendments come into force on 1 January 2011
119	MSC.1/Circ.1311	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2010
	MSC.306(87)	Revised performance standards for enhanced group call (EGC) equipment	COMSAR	Applies if installed on or after 1July 2012
	COMSAR.1/Circ.49	List of LAND EARTH STATION (LES) operation coordinators in the INMARSAT system	COMSAR	Supersedes COMSAR.1/Circ.48
	COMSAR.1/Circ.50	Distress priority communications for RCC from shore to ship via INMARSAT	COMSAR	Supersedes COMSAR.1/Circ.47
	COMSAR.1/Circ.51/Rev.2	List of NAVAREA Coordinators	COMSAR	Supersedes COMSAR.1/Circ.51/Rev.1
	COMSAR.1/Circ.52	Questionnaire on the availability of Search And Rescue (SAR) services	COMSAR	Supersedes COMSAR/Circ.27
	MSC.1/Circ.1364	Revised International SafetyNET Manual	COMSAR	Supersedes MSC/Circ.1064 and replaces the existing text of International SafeNET Manual
	MSC.1/Circ.1365	Commercially available locating, tracking and emergency notification devices	COMSAR
	DELETED MSC.1/Circ.1366	Medical assistance at sea – yacht racing	COMSAR	Superseded by MSC.1/Circ.1413
	MSC.1/Circ.1367	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR
	MSC.1/Circ.1382/Rev.1	Questionnaire on the availability of shore based facilities for the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Supersedes MSC/Circ.1382
	MSC.1/Circ.1383	Unified Interpretation of the International Code of Safety for High Speed Craft, 1994 (1994 HSC Code)		Chapter 14 – Radiocommunications
	MSC.1/Circ.1403	Revised NAVTEX Manual		Supersedes COMSAR/Circ.7, COMSAR/Circ.28 and COMSAR/Circ.34, and replaces the existing text of the NAVTEX Manual
	MSC.1/Circ.1413	Basic Safety Guidance for yacht races or oceanic voyages by non-regulated craft	COMSAR	Supersedes MSC/Circ.1174 and MSC.1/Circ.1366
	MSC.1/Circ.1414	Guidance to prospective GMDSS satellite service providers	COMSAR

IMO body COMSAR/DE

No.	Instrument	Name	IMO body	Remarks
129	MSC.1/Circ.1185	Guide for cold water survival	COMSAR/DE
130	MSC.1/Circ.1190	Guidance on the provision of information for identifying ships when transmitting ship security alerts	COMSAR/DE

IMO body COMSAR/MSC

No.	Instrument	Name	IMO body	Remarks
122	MSC.136(76)	Performance standards for a ship security alert system	COMSAR/MSC	Now in MSC.147 (77), but still in force for equipment installed before 1 July 2004
123	MSC.147(77)	Revised performance standards for a ship security alert system	COMSAR/MSC	Refer to remarks on MSC.136(76)
125	MSC/Circ.1072	Guidance on provision of ship security alert systems	COMSAR/MSC
126	MSC/Circ.1073	Directives for maritime rescue co-ordination centres (MRCCs) on acts of violence against ships	COMSAR/MSC
127	MSC/Circ.1109/Rev.1	False security alerts and distress/security double alerts	COMSAR/MSC
128	MSC/Circ.1155	Guidance on the message priority and the testing of ship security alert systems	COMSAR/MSC

IMO body COMSAR/NAV

No.	Instrument	Name	IMO body	Remarks
120	A.694(17)	General requirements for shipborne radio equipment forming part of the Global Maritime Distress and Safety System (GMDSS) and for electronic navigational aids	COMSAR/NAV	A.575(14) and A.281(VIII) overtaken by time
124	MSC.211(81)	Arrangements for the Timely Establishment of the Long Range Identification and Tracking System (LRIT)	COMSAR/NAV

IMO body COMSAR/STW

No.	Instrument	Name	IMO body	Remarks
121	COMSAR/Circ.33	GMDSS Coast Station Operator's Certificate (CSOC) Model Course	COMSAR/STW

IMO body DE

No.	Instrument	Name	IMO body	Remarks
131	A.272(VIII)	Recommendation on safe access to and working in large tanks, and recommendation on safe access to and working in large cargo holds of bulk carriers, as amended by A.330(IX)	DE
132	A.373(X)	Code of Safety for Dynamically Supported Craft (DSC Code), as amended by MSC.37(63), MSC.186(79) and MSC.224 (82)	DE	Now 2000 HSC Code, but in force for existing ships built before 1 January 1996
133	A.415(XI)	Improved steering gear standards for passenger and cargo ships	DE
134	A.416(XI)	Examination of steering gears on existing tankers	DE
135	A.467(XII)	Guidelines for acceptance of non-duplicated rudder actuators for tankers, chemical tankers and gas carriers of 10,000 tons gross tonnage and above but less than 100,000 tons deadweight	DE
136	A.468(XII)	Code on Noise Levels on Board Ships	DE
137	A.469(XII)	Guidelines for the design and construction of offshore supply vessels	DE	Now MSC.235 (82), but still in force for existing ships
139	A.520(13)	Code of practice for the evaluation, testing and acceptance of prototype novel life-saving appliances and arrangements	DE
140	A.534(13)	Code of Safety for Special Purpose Ships (SPS Code), as amended by MSC/Circ.446, MSC/Circ.478, MSC/Circ.739 and MSC.183(79)	DE	Superseded by MSC.266(84), but still in force for existing ships certified before 13 May 2008
141	A.649(16)	Code for the Construction and Equipment of Mobile Offshore Drilling Units (MODU Code), 1989, as amended by MSC/Circ.561, MSC.38(63) and MSC.187(79)	DE	Superseded by A.1023(26), but still in force for existing MODUs built before 1 January 2012
142	A.656(16)	Fast rescue boats	DE
143	A.657(16)	Instructions for action in survival craft	DE
144	A.759(18)	Marking of inflatable liferafts	DE
145	A.760(18)	Symbols related to life-saving appliances and arrangements	DE
146	A.761(18)	Recommendation on conditions for the approval of servicing stations for inflatable liferafts, as amended by MSC.55(66)	DE
147	A.765(18)	Guidelines on the safety of towed ships and other floating objects, including installations, structures and platforms at sea	DE
148	A.793(19)	Strength and securing and locking arrangements of shell doors on ro-ro passenger ships	DE
149	A.798(19)	Guidelines for the selection, application and maintenance of corrosion prevention systems of dedicated seawater ballast tanks	DE
150	A.831(19)	Code of Safety for Diving Systems, 1995, as amended by MSC.185(79)	DE
151	A.852(20)	Guidelines for a structure of an integrated system of contingency planning for shipboard emergencies	DE
152	A.855(20)	Standards for onboard helicopter facilities	DE
153	A.1021(26)	Code on alarms and indicators, 2009	DE	Revokes A.830(19)
154	A.1023(26)	Code for the construction and equipment of mobile Offshore Drilling Units, 2009 (2009 MODU Code)	DE	Supersedes A.649(16)
155	A.1024(26)	Guidelines for ships operating in polar waters	DE	Applicable for ships constructed on or after 1 January 2011
156	MSC.35(63)	Guidelines for emergency towing arrangements on tankers	DE
157	MSC.62(67)	Guidelines for safe access to tanker bows	DE
158	MSC.81(70)	Revised Recommendation on testing of life-saving appliances, as amended by MSC.200(80), MSC.226(82) and MSC.274(85)	DE
159	MSC.137(76)	Standards for ship manoeuvrability	DE
160	MSC.145(77)	Performance standards for water level detectors on bulk carriers	DE
161	MSC.146(77)	Application of IACS unified requirements S26, S27, S30 and S31 to bulk carriers	DE
162	MSC.188(79)	Performance Standards for Water Level Detectors on Bulk Carriers and Single Hold Cargo Ships other than Bulk Carriers	DE
163	MSC.244(83)	Performance standard for protective coatings for void spaces on bulk carriers and oil tankers	DE
164	MSC.266(84)	Code of Safety for Special Purpose Ships (SPS Code), 2008 (supersedes A.534(13))	DE
165	MSC.277(85)	Clarification of the term "bulk carrier" and guidance for application of regulations in SOLAS to ships which occasionally carry dry cargoes in bulk and are not determined as bulk carriers in accordance with regulation XII/1.1 and chapter II-1	DE
166	MSC/Circ.326	Drainage of enclosed cargo spaces situated on the bulkhead deck	DE
167	MSC/Circ.444	Clarification of certain provisions of chapter III of the 1983 SOLAS Amendments and resolution A.521(13)	DE
168	MSC/Circ.447	Control under SOLAS regulation I/19 ¿ Recommendation on radar reflectors for liferafts and on training manuals	DE
169	MSC/Circ.474	Guidelines for bow and stern loading and unloading arrangements in oil tankers	DE
170	MSC/Circ.504	Guidance on design and construction of sea inlets under slush ice conditions	DE
171	MSC/Circ.508	Clarification of certain provisions of chapter III of the 1983 SOLAS amendments	DE
172	MSC/Circ.509	Clarification of SOLAS chapter III provisions related to protection of occupants against impact forces on lifeboats when lowered down the ship's side (Refer to A.689(17))	DE
173	MSC/Circ.510	Clarification of SOLAS chapter III provisions related to protection of occupants of free-fall lifeboats against harmful accelerations during launching	DE
174	MSC/Circ.534	Clarification of certain provisions of chapter III of the 1983 SOLAS amendments	DE
175	MSC/Circ.569	Clarifications of certain provisions of chapter III of the 1983 SOLAS amendments	DE
176	MSC/Circ.570	Recommendation on maximum stowage height of survival craft on passenger ships	DE
177	MSC/Circ.587	Fumes in totally enclosed lifeboats	DE
178	MSC/Circ.616	Evaluation of free-fall lifeboat launch performance	DE
179	MSC/Circ.645	Guidelines for vessels with dynamic positioning systems	DE
180	MSC/Circ.646	Recommendations for the fitting of hull stress monitoring systems	DE
181	MSC/Circ.648	Guidelines for the operation, inspection and maintenance of ship sewage systems	DE
182	MSC/Circ.681	Guidelines for passenger safety instructions on ro-ro passenger ships	DE
183	MSC/Circ.686	Guidelines on the means of access to structures for inspection and maintenance of oil tankers and bulk carriers	DE
184	MSC/Circ.687	Emergency source of power for category A high-speed craft	DE
185	MSC/Circ.692	Clarification of SOLAS regulation III/50 regarding general emergency alarm systems	DE
186	MSC/Circ.695	Falls at corrugated bulkheads in general cargo ships	DE
187	MSC/Circ.699	Revised guidelines for passenger safety instructions	DE
188	MSC/Circ.735	Recommendation for the design and operation of passenger ships to respond to elderly and disabled persons' needs	DE
189	MSC/Circ.736	Interpretations of vague expressions in SOLAS chapter II-1	DE
190	MSC/Circ.737	Guidelines on anchoring systems for MODUs	DE
191	MSC/Circ.760	Guidelines for a structure of an integrated system of contingency planning for shipboard emergencies	DE
192	MSC/Circ.810	Recommendation on means of rescue on ro-ro passenger ships	DE
193	MSC/Circ.811	Identification of float-free arrangements for liferafts	DE
194	MSC/Circ.834	Guidelines for engine-room layout, design and arrangement	DE
195	MSC/Circ.846	Guidelines on the human element considerations for the design and management of emergency escape arrangements on passenger ships	DE
196	MSC/Circ.851	Guidelines on engine-room oil fuel systems	DE
197	MSC/Circ.857	Revised medical first aid guide (MFAG)	DE
198	MSC/Circ.866	Guidelines for the application of safety standards to pusher tug-barge combination	DE
199	MSC/Circ.884	Guidelines for safe ocean towing	DE
200	MSC/Circ.885	Testing and approval of position-indicating lights for life-saving appliances under the International Life-Saving Appliance (LSA) Code	DE
201	MSC/Circ.887	Interpretation of the term "Other strategic points" in SOLAS regulation III/50 and LSA Code, section VII/7.2	DE
202	MSC/Circ.888	Preventing falls at corrugated bulkheads in general cargo ships	DE
203	MSC/Circ.895	Recommendation on helicopter landing areas on ro-ro passenger ships	DE
204	MSC/Circ.922	Recommendations on performance standards and tests for thermal protective lifejackets (TP-lifejackets)	DE
205	MSC/Circ.966	IACS unified interpretations of "Prototype test"	DE
206	MSC/Circ.981	Guidelines for the design, construction and operation of passenger submersible craft, as amended by MSC/Circ.1125	DE
207	MSC/Circ.1016	Application of SOLAS regulation III/26 concerning fast rescue boats and means of rescue systems on ro-ro passenger ships	DE
208	MSC/Circ.1029	Interim guidelines for the conduct of High-Speed Craft model tests	DE
209	MSC/Circ.1046	Guidelines for the assessment of thermal protection	DE
210	MSC/Circ.1047	Guidelines for monthly shipboard inspection of immersion suits and anti-exposure suits by ships' crews	DE
211	MSC/Circ.1048	Performance standards and performance tests for manually powered reverse osmosis desalinators	DE
212	MSC/Circ.1054	Interim Guidelines for wing-in-ground (WIG) craft, as amended by MSC/Circ.1126	DE
213	MSC/Circ.1069	Interpretation of SOLAS regulation XII/13	DE
214	MSC/Circ.1070	Ship design, construction, repair and maintenance	DE	Supersedes MSC/Circ.807
215	MSC/Circ.1071	Guidelines for bulk carrier hatch cover surveys and owners' inspections and maintenance	DE
216	MSC/Circ.1094	Application of SOLAS regulation III/26 concerning fast rescue boat systems on ro-ro passenger ships	DE
218	MSC/Circ.1114	Guidelines for periodic testing of immersion suit and anti-exposure suit seams and closures	DE
219	MSC/Circ.1117	Guidance for checking the structure of bulk carriers	DE
220	MSC/Circ.1135	As-built construction drawings to be maintained on board the ship and ashore	DE
221	MSC/Circ.1138	Interpretations to the Guidelines for design, construction and operation of passenger submersible craft	DE
222	MSC/Circ.1139	Conditions applicable to propulsion control automation systems of ships built after 1 July 1986, but before 1 July 2004 (SOLAS regulation II-1/31)	DE
223	MSC/Circ.1152	Helicopter facilities on board ships - Amendments to Annex 14 (Aerodromes) Volume II (Heliports), to the Convention on International Civil Aviation	DE
224	MSC/Circ.1175	Guidance on shipboard towing and mooring equipment	DE
225	MSC/Circ.1176	Interpretation to SOLAS chapters II-1 and XII, as amended by MSC/Circ.1197	DE
226	MSC/Circ.1177	Interpretations to the 2000 HSC Code	DE
227	MSC.1/Circ.1195	Guidelines for the conduct of high-speed craft model test	DE
228	MSC.1/Circ.1196	Means of embarkation on and disembarkation from ships	DE
229	MSC.1/Circ.1198	Application of SOLAS regulation XII/6.3 on corrosion prevention of dedicated seawater ballast tanks in all types of ship and double-side skin spaces of bulk carriers and application of the performance standard for protective coatings for dedicated seawater ballast tanks in all types of ships and double-side skin spaces of bulk	DE
230	MSC.1/Circ.1199	Interim Guidance on compliance of ships carrying dry cargoes in bulk with requirements of SOLAS chapters II-1, III, IX, XI-1 and XII	DE
231	MSC.1/Circ.1205	Guidelines for developing operation and maintenance manuals for lifeboat systems	DE
232	MSC.1/Circ.1206/ Rev.1	Measures to prevent accidents with lifeboats	DE	Supersedes MSC/Circ.1049, MSC/Circ.1093, MSC/Circ.1136, MSC/Circ.1137 and MSC.1/Circ.1206
233	MSC.1/Circ.1211	Unified interpretations to SOLAS regulation II-1/10 and regulation 12 of the revised SOLAS chapter II-1 regarding bow doors and the extension of the collision bulkhead	DE
234	MSC.1/Circ.1212	Guidelines on alternative design and arrangements for SOLAS chapters II-1 and III	DE
235	MSC.1/Circ.1214	Performance standards for the systems and services to remain operational on passenger ships for safe return to port and orderly evacuation and abandonment after a casualty	DE
236	MSC.1/Circ.1215	Early implementation of amendments to SOLAS chapter III and the International Life-Saving Appliances (LSA) Code	DE
237	MSC.1/Circ.1243	Unified interpretation of SOLAS chapter III	DE
238	MSC.1/Circ.1244	Symbol of infant lifejacket	DE
239	MSC.1/Circ.1247	Unified interpretation of "unforeseen delay in delivery of ships"	DE
240	MSC.1/Circ.1255	Guidelines for owners/operators on preparing emergency towing procedures	DE
241	MSC.1/Circ.1277	Interim Recommendation on conditions for authorization of service providers for lifeboats, launching appliances and on-load release gear	DE
242	MSC.1/Circ.1278	Guidance on wearing immersion suits in totally enclosed lifeboats	DE
243	MSC.1/Circ.1279	Guidelines for corrosion protection of permanent means of access arrangements	DE
244	MSC.1/Circ.1285	Unified interpretation of SOLAS regulation III/16.1	DE
245	MSC.1/Circ.1286	Unified interpretation of SOLAS regulation II-1/32.1	DE
246	MSC.1/Circ.1304	Guidance for application of SOLAS regulation III/7, as amended by resolution MSC.201(81)	DE
247	MSC.1/Circ.1326 and Corr.1	Clarification of SOLAS regulation III/19	DE
248	MSC.1/Circ.1327	Guidelines for the fitting and use of fall preventer devices (FPDs)	DE
249	MSC.1/Circ.1328	Guidelines for the approval of inflatable liferafts subject to extended service intervals not exceeding 30 months	DE
250	MSC.1/Circ.1329	Guidelines for uniform operating limitations of high-speed craft	DE
251	MSC.1/Circ.1330	Guidelines for maintenance and repair of protective coatings	DE
252	MSC.1/Circ.1331	Guidelines for construction, installation, maintenance and inspection/survey of means of embarkation and disembarkation	DE
253	SLS.14/Circ.1	Record of cargo ship safety equipment	DE
254	SN/Circ.52	Warning of bulbous bows, bow propulsion and exhibition of all-round red light	DE

IMO body DE

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
131	A.272(VIII)	Recommendation on safe access to and working in large tanks, and recommendation on safe access to and working in large cargo holds of bulk carriers, as amended by A.330(IX)	DE
132	A.373(X)	Code of Safety for Dynamically Supported Craft (DSC Code), as amended by MSC.37(63), MSC.186(79) and MSC.224 (82)	DE	Now 2000 HSC Code, but in force for existing ships built before 1 January 1996
133	A.415(XI)	Improved steering gear standards for passenger and cargo ships	DE
134	A.416(XI)	Examination of steering gears on existing tankers	DE
135	A.467(XII)	Guidelines for acceptance of non-duplicated rudder actuators for tankers, chemical tankers and gas carriers of 10,000 tons gross tonnage and above but less than 100,000 tons deadweight	DE
136	A.468(XII)	Code on Noise Levels on Board Ships	DE
137	A.469(XII)	Guidelines for the design and construction of offshore supply vessels	DE	Now MSC.235 (82), but still in force for existing ships
139	A.520(13)	Code of practice for the evaluation, testing and acceptance of prototype novel life-saving appliances and arrangements	DE
140	A.534(13)	Code of Safety for Special Purpose Ships (SPS Code), as amended by MSC/Circ.446, MSC/Circ.478, MSC/Circ.739 and MSC.183(79)	DE	Superseded by MSC.266(84), but still in force for existing ships certified before 13 May 2008
141	A.649(16)	Code for the Construction and Equipment of Mobile Offshore Drilling Units (MODU Code), 1989, as amended by MSC/Circ.561, MSC.38(63) and MSC.187(79)	DE	Superseded by A.1023(26), but still in force for existing MODUs built before 1 January 2012
142	A.656(16)	Fast rescue boats	DE
143	A.657(16)	Instructions for action in survival craft	DE
144	A.759(18)	Marking of inflatable liferafts	DE
145	A.760(18)	Symbols related to life-saving appliances and arrangements	DE
146	A.761(18)	Recommendation on conditions for the approval of servicing stations for inflatable liferafts, as amended by MSC.55(66)	DE
147	A.765(18)	Guidelines on the safety of towed ships and other floating objects, including installations, structures and platforms at sea	DE
148	A.793(19)	Strength and securing and locking arrangements of shell doors on ro-ro passenger ships	DE
149	A.798(19)	Guidelines for the selection, application and maintenance of corrosion prevention systems of dedicated seawater ballast tanks	DE
150	A.831(19)	Code of Safety for Diving Systems, 1995, as amended by MSC.185(79)	DE
151	A.852(20)	Guidelines for a structure of an integrated system of contingency planning for shipboard emergencies	DE
152	A.855(20)	Standards for onboard helicopter facilities	DE
153	A.1021(26)	Code on alerts and indicators, 2009	DE	Revokes A.830(19)
154	A.1023(26)	Code for the construction and equipment of mobile Offshore Drilling Units, 2009 (2009 MODU Code)	DE	Supersedes A.649(16)
155	A.1024(26)	Guidelines for ships operating in polar waters	DE	Applicable for ships constructed on or after 1 January 2011
156	MSC.35(63)	Guidelines for emergency towing arrangements on tankers	DE
157	MSC.62(67)	Guidelines for safe access to tanker bows	DE
158	MSC.81(70)	Revised Recommendation on testing of life-saving appliances, as amended by MSC.200(80), MSC.226(82) and MSC.274(85), MSC.295(87), MSC.321(89)and MSC.323(89)	DE
159	MSC.137(76)	Standards for ship manoeuvrability	DE
160	MSC.145(77)	Performance standards for water level detectors on bulk carriers	DE
161	MSC.146(77)	Application of IACS unified requirements S26, S27, S30 and S31 to bulk carriers	DE
162	MSC.188(79)	Performance Standards for Water Level Detectors on Bulk Carriers and Single Hold Cargo Ships other than Bulk Carriers	DE
163	MSC.244(83)	Performance standard for protective coatings for void spaces on bulk carriers and oil tankers	DE
164	MSC.266(84)	Code of Safety for Special Purpose Ships (SPS Code), 2008,as amended by MSC.299(87) (supersedes A.534(13))	DE
165	MSC.277(85)	Clarification of the term "bulk carrier" and guidance for application of regulations in SOLAS to ships which occasionally carry dry cargoes in bulk and are not determined as bulk carriers in accordance with regulation XII/1.1 and chapter II-1	DE
166	MSC/Circ.326	Drainage of enclosed cargo spaces situated on the bulkhead deck	DE
167	MSC/Circ.444	Clarification of certain provisions of chapter III of the 1983 SOLAS Amendments and resolution A.521(13)	DE
168	MSC/Circ.447	Control under SOLAS regulation I/19 ¿ Recommendation on radar reflectors for liferafts and on training manuals	DE
169	MSC/Circ.474	Guidelines for bow and stern loading and unloading arrangements in oil tankers	DE
170	MSC/Circ.504	Guidance on design and construction of sea inlets under slush ice conditions	DE
171	MSC/Circ.508	Clarification of certain provisions of chapter III of the 1983 SOLAS amendments	DE
172	MSC/Circ.509	Clarification of SOLAS chapter III provisions related to protection of occupants against impact forces on lifeboats when lowered down the ship's side (Refer to A.689(17))	DE
173	MSC/Circ.510	Clarification of SOLAS chapter III provisions related to protection of occupants of free-fall lifeboats against harmful accelerations during launching	DE
174	MSC/Circ.534	Clarification of certain provisions of chapter III of the 1983 SOLAS amendments	DE
175	MSC/Circ.569	Clarifications of certain provisions of chapter III of the 1983 SOLAS amendments	DE
176	MSC/Circ.570	Recommendation on maximum stowage height of survival craft on passenger ships	DE
177	MSC/Circ.587	Fumes in totally enclosed lifeboats	DE
178	MSC/Circ.616	Evaluation of free-fall lifeboat launch performance	DE
179	MSC/Circ.645	Guidelines for vessels with dynamic positioning systems	DE
180	MSC/Circ.646	Recommendations for the fitting of hull stress monitoring systems	DE
181	MSC/Circ.648	Guidelines for the operation, inspection and maintenance of ship sewage systems	DE
182	MSC/Circ.681	Guidelines for passenger safety instructions on ro-ro passenger ships	DE
183	MSC/Circ.686	Guidelines on the means of access to structures for inspection and maintenance of oil tankers and bulk carriers	DE
184	MSC/Circ.687	Emergency source of power for category A high-speed craft	DE
185	MSC/Circ.692	Clarification of SOLAS regulation III/50 regarding general emergency alarm systems	DE
186	MSC/Circ.695	Falls at corrugated bulkheads in general cargo ships	DE
187	MSC/Circ.699	Revised guidelines for passenger safety instructions	DE
188	MSC/Circ.735	Recommendation for the design and operation of passenger ships to respond to elderly and disabled persons' needs	DE
189	MSC/Circ.736	Interpretations of vague expressions in SOLAS chapter II-1	DE
190	MSC/Circ.737	Guidelines on anchoring systems for MODUs	DE
191	MSC/Circ.760	Guidelines for a structure of an integrated system of contingency planning for shipboard emergencies	DE
192	MSC/Circ.810	Recommendation on means of rescue on ro-ro passenger ships	DE
193	MSC/Circ.811	Identification of float-free arrangements for liferafts	DE
194	MSC/Circ.834	Guidelines for engine-room layout, design and arrangement	DE
195	MSC/Circ.846	Guidelines on the human element considerations for the design and management of emergency escape arrangements on passenger ships	DE
196	MSC/Circ.851	Guidelines on engine-room oil fuel systems	DE
197	MSC/Circ.857	Revised medical first aid guide (MFAG)	DE
198	MSC/Circ.866	Guidelines for the application of safety standards to pusher tug-barge combination	DE
199	MSC/Circ.884	Guidelines for safe ocean towing	DE
200	MSC/Circ.885	Testing and approval of position-indicating lights for life-saving appliances under the International Life-Saving Appliance (LSA) Code	DE
201	MSC/Circ.887	Interpretation of the term "Other strategic points" in SOLAS regulation III/50 and LSA Code, section VII/7.2	DE
202	MSC/Circ.888	Preventing falls at corrugated bulkheads in general cargo ships	DE
203	MSC/Circ.895	Recommendation on helicopter landing areas on ro-ro passenger ships	DE
204	MSC/Circ.922	Recommendations on performance standards and tests for thermal protective lifejackets (TP-lifejackets)	DE
205	MSC/Circ.966	IACS unified interpretations of "Prototype test"	DE
206	MSC/Circ.981	Guidelines for the design, construction and operation of passenger submersible craft, as amended by MSC/Circ.1125	DE
207	MSC/Circ.1016	Application of SOLAS regulation III/26 concerning fast rescue boats and means of rescue systems on ro-ro passenger ships	DE
208	MSC/Circ.1029	Interim guidelines for the conduct of High-Speed Craft model tests	DE
209	MSC/Circ.1046	Guidelines for the assessment of thermal protection	DE
210	MSC/Circ.1047	Guidelines for monthly shipboard inspection of immersion suits and anti-exposure suits by ships' crews	DE
211	MSC/Circ.1048	Performance standards and performance tests for manually powered reverse osmosis desalinators	DE
212	MSC/Circ.1054	Interim Guidelines for wing-in-ground (WIG) craft, as amended by MSC/Circ.1126	DE
213	MSC/Circ.1069	Interpretation of SOLAS regulation XII/13	DE
214	MSC/Circ.1070	Ship design, construction, repair and maintenance	DE	Supersedes MSC/Circ.807
215	MSC/Circ.1071	Guidelines for bulk carrier hatch cover surveys and owners' inspections and maintenance	DE
216	MSC/Circ.1094	Application of SOLAS regulation III/26 concerning fast rescue boat systems on ro-ro passenger ships	DE
218	MSC/Circ.1114	Guidelines for periodic testing of immersion suit and anti-exposure suit seams and closures	DE
219	MSC/Circ.1117	Guidance for checking the structure of bulk carriers	DE
220	MSC/Circ.1135	As-built construction drawings to be maintained on board the ship and ashore	DE
221	MSC/Circ.1138	Interpretations to the Guidelines for design, construction and operation of passenger submersible craft	DE
222	MSC/Circ.1139	Conditions applicable to propulsion control automation systems of ships built after 1 July 1986, but before 1 July 2004 (SOLAS regulation II-1/31)	DE
223	MSC/Circ.1152	Helicopter facilities on board ships - Amendments to Annex 14 (Aerodromes) Volume II (Heliports), to the Convention on International Civil Aviation	DE
224	MSC/Circ.1175	Guidance on shipboard towing and mooring equipment	DE
225	MSC/Circ.1176	Interpretation to SOLAS chapters II-1 and XII, as amended by MSC/Circ.1197	DE
226	MSC/Circ.1177	Interpretations to the 2000 HSC Code	DE
227	MSC.1/Circ.1195	Guidelines for the conduct of high-speed craft model test	DE
228	MSC.1/Circ.1196	Means of embarkation on and disembarkation from ships	DE
229	MSC.1/Circ.1198	Application of SOLAS regulation XII/6.3 on corrosion prevention of dedicated seawater ballast tanks in all types of ship and double-side skin spaces of bulk carriers and application of the performance standard for protective coatings for dedicated seawater ballast tanks in all types of ships and double-side skin spaces of bulk	DE
230	MSC.1/Circ.1199	Interim Guidance on compliance of ships carrying dry cargoes in bulk with requirements of SOLAS chapters II-1, III, IX, XI-1 and XII	DE
231	MSC.1/Circ.1205	Guidelines for developing operation and maintenance manuals for lifeboat systems	DE
232	MSC.1/Circ.1206/ Rev.1	Measures to prevent accidents with lifeboats	DE	Supersedes MSC/Circ.1049, MSC/Circ.1093, MSC/Circ.1136, MSC/Circ.1137 and MSC.1/Circ.1206
233	MSC.1/Circ.1211	Unified interpretations to SOLAS regulation II-1/10 and regulation 12 of the revised SOLAS chapter II-1 regarding bow doors and the extension of the collision bulkhead	DE
234	MSC.1/Circ.1212	Guidelines on alternative design and arrangements for SOLAS chapters II-1 and III	DE
235	DELETED MSC.1/Circ.1214	Performance standards for the systems and services to remain operational on passenger ships for safe return to port and orderly evacuation and abandonment after a casualty	DE	See MSC.1/Circ.1369
236	MSC.1/Circ.1215	Early implementation of amendments to SOLAS chapter III and the International Life-Saving Appliances (LSA) Code	DE
237	MSC.1/Circ.1243	Unified interpretation of SOLAS chapter III	DE
238	MSC.1/Circ.1244	Symbol of infant lifejacket	DE
239	MSC.1/Circ.1247	Unified interpretation of "unforeseen delay in delivery of ships"	DE
240	MSC.1/Circ.1255	Guidelines for owners/operators on preparing emergency towing procedures	DE
241	MSC.1/Circ.1277	Interim Recommendation on conditions for authorization of service providers for lifeboats, launching appliances and on-load release gear	DE
242	MSC.1/Circ.1278	Guidance on wearing immersion suits in totally enclosed lifeboats	DE
243	MSC.1/Circ.1279	Guidelines for corrosion protection of permanent means of access arrangements	DE
244	MSC.1/Circ.1285	Unified interpretation of SOLAS regulation III/16.1	DE
245	MSC.1/Circ.1286	Unified interpretation of SOLAS regulation II-1/32.1	DE
246	MSC.1/Circ.1304	Guidance for application of SOLAS regulation III/7, as amended by resolution MSC.201(81)	DE
247	MSC.1/Circ.1326 and Corr.1	Clarification of SOLAS regulation III/19	DE
248	MSC.1/Circ.1327	Guidelines for the fitting and use of fall preventer devices (FPDs)	DE
249	MSC.1/Circ.1328	Guidelines for the approval of inflatable liferafts subject to extended service intervals not exceeding 30 months	DE
250	MSC.1/Circ.1329	Guidelines for uniform operating limitations of high-speed craft	DE
251	MSC.1/Circ.1330	Guidelines for maintenance and repair of protective coatings	DE
252	MSC.1/Circ.1331	Guidelines for construction, installation, maintenance and inspection/survey of means of embarkation and disembarkation	DE
253	SLS.14/Circ.1	Record of cargo ship safety equipment	DE
254	SN/Circ.52	Warning of bulbous bows, bow propulsion and exhibition of all-round red light	DE
	MSC.1/Circ.1345	Unified interpretation of SOLAS regulation II-1/27.5	DE
	MSC.1/Circ.1346	Interpretation of the 2000 HSC Code	DE
	MSC.1/Circ.1347	Determination of the required safe working load of liferaft launching appliances on passenger ships	DE
	MSC.1/Circ.1348	Guidelines for the assessment of technical provisions for the performance of an in-water survey in lieu of bottom inspection in dry dock to permit one dry-dock examination in any five-year period for passenger ships other than ro-ro passenger ships	DE
	MSC.1/Circ.1372	Guidance for application of SOLAS regulation II-1/41.6	DE
	MSC.1/Circ.1378	Unified Interpretation of the Performance Standard for protective coatings for dedicated seawater ballast tanks in all types of ships and double-side skin spaces of bulk carriers (resolution MSC.215(82))	DE
	MSC.1/Circ.1379	Unified interpretation of SOLAS regulation II 1/3-5	DE
	MSC.1/Circ.1381	Modifications to footnotes in the coating performance standards adopted by resolutions MSC.215(82) and MSC.288(87)	DE
	MSC.1/Circ.1392	Guidelines for evaluation and replacement of lifeboat release and retrieval systems	DE
	MSC.1/Circ.1393	Early application of new SOLAS regulation III/1.5	DE
	MSC.1/Circ.1397	Unified interpretation of SOLAS regulation III/15.1	DE
	MSC.1/Circ.1398	Unified interpretation of SOLAS regulation II-1/29	DE
	MSC.1/Circ.1399	Guidelines on procedures for in-service maintenance and repair of coating systems for cargo oil tanks of crude oil tankers	DE
	MSC-MEPC.2/Circ.10	Unified interpretations on the application of SOLAS, MARPOL and Load Line requirements to conversions of single-hull tankers to double-hull tankers or bulk carriers	DE

IMO body DE

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
131	A.272(VIII)	Recommendation on safe access to and working in large tanks, and recommendation on safe access to and working in large cargo holds of bulk carriers, as amended by A.330(IX)	DE
132	A.373(X)	Code of Safety for Dynamically Supported Craft (DSC Code), as amended by MSC.37(63), MSC.186(79) and MSC.224 (82)	DE	Now 2000 HSC Code, but in force for existing ships built before 1 January 1996
133	A.415(XI)	Improved steering gear standards for passenger and cargo ships	DE
134	A.416(XI)	Examination of steering gears on existing tankers	DE
135	A.467(XII)	Guidelines for acceptance of non-duplicated rudder actuators for tankers, chemical tankers and gas carriers of 10,000 tons gross tonnage and above but less than 100,000 tons deadweight	DE
136	A.468(XII)	Code on Noise Levels on Board Ships	DE
137	A.469(XII)	Guidelines for the design and construction of offshore supply vessels	DE	Now MSC.235 (82), but still in force for existing ships
139	A.520(13)	Code of practice for the evaluation, testing and acceptance of prototype novel life-saving appliances and arrangements	DE
140	A.534(13)	Code of Safety for Special Purpose Ships (SPS Code), as amended by MSC/Circ.446, MSC/Circ.478, MSC/Circ.739 and MSC.183(79)	DE	Superseded by MSC.266(84), but still in force for existing ships certified before 13 May 2008
141	A.649(16)	Code for the Construction and Equipment of Mobile Offshore Drilling Units (MODU Code), 1989, as amended by MSC/Circ.561, MSC.38(63) and MSC.187(79)	DE	Superseded by A.1023(26), but still in force for existing MODUs built before 1 January 2012
142	A.656(16)	Fast rescue boats	DE
143	A.657(16)	Instructions for action in survival craft	DE
144	A.759(18)	Marking of inflatable liferafts	DE
145	A.760(18)	Symbols related to life-saving appliances and arrangements	DE
146	A.761(18)	Recommendation on conditions for the approval of servicing stations for inflatable liferafts, as amended by MSC.55(66)	DE
147	A.765(18)	Guidelines on the safety of towed ships and other floating objects, including installations, structures and platforms at sea	DE
148	A.793(19)	Strength and securing and locking arrangements of shell doors on ro-ro passenger ships	DE
149	A.798(19)	Guidelines for the selection, application and maintenance of corrosion prevention systems of dedicated seawater ballast tanks	DE
150	A.831(19)	Code of Safety for Diving Systems, 1995, as amended by MSC.185(79)	DE
151	A.852(20)	Guidelines for a structure of an integrated system of contingency planning for shipboard emergencies	DE
152	A.855(20)	Standards for onboard helicopter facilities	DE
153	A.1021(26)	Code on alerts and indicators, 2009	DE	Revokes A.830(19)
154	A.1023(26)	Code for the construction and equipment of mobile Offshore Drilling Units, 2009 (2009 MODU Code)	DE	Supersedes A.649(16)
155	A.1024(26)	Guidelines for ships operating in polar waters	DE	Applicable for ships constructed on or after 1 January 2011
	A.1049(27)	International Code on the enhanced programme of inspections duringsurveys of bulk carriers and oil tankers, 2011 (2011 ESP Code)	DE	It is expected to become mandatory under amendments to SOLAS and supersede A.744(18), as amended
156	MSC.35(63)	Guidelines for emergency towing arrangements on tankers	DE
157	MSC.62(67)	Guidelines for safe access to tanker bows	DE
158	MSC.81(70)	Revised Recommendation on testing of life-saving appliances, as amended by MSC.200(80), MSC.226(82) and MSC.274(85), MSC.295(87), MSC.321(89) and MSC.323(89)	DE
159	MSC.137(76)	Standards for ship manoeuvrability	DE
160	MSC.145(77)	Performance standards for water level detectors on bulk carriers	DE
161	MSC.146(77)	Application of IACS unified requirements S26, S27, S30 and S31 to bulk carriers	DE
162	MSC.188(79)	Performance Standards for Water Level Detectors on Bulk Carriers and Single Hold Cargo Ships other than Bulk Carriers	DE
163	MSC.244(83)	Performance standard for protective coatings for void spaces on bulk carriers and oil tankers	DE
164	MSC.266(84)	Code of Safety for Special Purpose Ships (SPS Code), 2008,as amended by MSC.299(87) (supersedes A.534(13))	DE
165	MSC.277(85)	Clarification of the term "bulk carrier" and guidance for application of regulations in SOLAS to ships which occasionally carry dry cargoes in bulk and are not determined as bulk carriers in accordance with regulation XII/1.1 and chapter II-1	DE
166	MSC/Circ.326	Drainage of enclosed cargo spaces situated on the bulkhead deck	DE
167	MSC/Circ.444	Clarification of certain provisions of chapter III of the 1983 SOLAS Amendments and resolution A.521(13)	DE
168	MSC/Circ.447	Control under SOLAS regulation I/19 ¿ Recommendation on radar reflectors for liferafts and on training manuals	DE
169	MSC/Circ.474	Guidelines for bow and stern loading and unloading arrangements in oil tankers	DE
170	MSC/Circ.504	Guidance on design and construction of sea inlets under slush ice conditions	DE
171	MSC/Circ.508	Clarification of certain provisions of chapter III of the 1983 SOLAS amendments	DE
172	MSC/Circ.509	Clarification of SOLAS chapter III provisions related to protection of occupants against impact forces on lifeboats when lowered down the ship's side (Refer to A.689(17))	DE
173	MSC/Circ.510	Clarification of SOLAS chapter III provisions related to protection of occupants of free-fall lifeboats against harmful accelerations during launching	DE
174	MSC/Circ.534	Clarification of certain provisions of chapter III of the 1983 SOLAS amendments	DE
175	MSC/Circ.569	Clarifications of certain provisions of chapter III of the 1983 SOLAS amendments	DE
176	MSC/Circ.570	Recommendation on maximum stowage height of survival craft on passenger ships	DE
177	MSC/Circ.587	Fumes in totally enclosed lifeboats	DE
178	MSC/Circ.616	Evaluation of free-fall lifeboat launch performance	DE
179	MSC/Circ.645	Guidelines for vessels with dynamic positioning systems	DE
180	MSC/Circ.646	Recommendations for the fitting of hull stress monitoring systems	DE
181	MSC/Circ.648	Guidelines for the operation, inspection and maintenance of ship sewage systems	DE
182	MSC/Circ.681	Guidelines for passenger safety instructions on ro-ro passenger ships	DE
183	MSC/Circ.686	Guidelines on the means of access to structures for inspection and maintenance of oil tankers and bulk carriers	DE
184	MSC/Circ.687	Emergency source of power for category A high-speed craft	DE
185	MSC/Circ.692	Clarification of SOLAS regulation III/50 regarding general emergency alarm systems	DE
186	MSC/Circ.695	Falls at corrugated bulkheads in general cargo ships	DE
187	MSC/Circ.699	Revised guidelines for passenger safety instructions	DE
188	MSC/Circ.735	Recommendation for the design and operation of passenger ships to respond to elderly and disabled persons' needs	DE
189	MSC/Circ.736	Interpretations of vague expressions in SOLAS chapter II-1	DE
190	MSC/Circ.737	Guidelines on anchoring systems for MODUs	DE
191	MSC/Circ.760	Guidelines for a structure of an integrated system of contingency planning for shipboard emergencies	DE
192	MSC/Circ.810	Recommendation on means of rescue on ro-ro passenger ships	DE
193	MSC/Circ.811	Identification of float-free arrangements for liferafts	DE
194	MSC/Circ.834	Guidelines for engine-room layout, design and arrangement	DE
195	MSC/Circ.846	Guidelines on the human element considerations for the design and management of emergency escape arrangements on passenger ships	DE
196	MSC/Circ.851	Guidelines on engine-room oil fuel systems	DE
197	MSC/Circ.857	Revised medical first aid guide (MFAG)	DE
198	MSC/Circ.866	Guidelines for the application of safety standards to pusher tug-barge combination	DE
199	MSC/Circ.884	Guidelines for safe ocean towing	DE
200	MSC/Circ.885	Testing and approval of position-indicating lights for life-saving appliances under the International Life-Saving Appliance (LSA) Code	DE
201	MSC/Circ.887	Interpretation of the term "Other strategic points" in SOLAS regulation III/50 and LSA Code, section VII/7.2	DE
202	MSC/Circ.888	Preventing falls at corrugated bulkheads in general cargo ships	DE
203	MSC/Circ.895	Recommendation on helicopter landing areas on ro-ro passenger ships	DE
204	MSC/Circ.922	Recommendations on performance standards and tests for thermal protective lifejackets (TP-lifejackets)	DE
205	MSC/Circ.966	IACS unified interpretations of "Prototype test"	DE
206	MSC/Circ.981	Guidelines for the design, construction and operation of passenger submersible craft, as amended by MSC/Circ.1125	DE
207	MSC/Circ.1016	Application of SOLAS regulation III/26 concerning fast rescue boats and means of rescue systems on ro-ro passenger ships	DE
208	MSC/Circ.1029	Interim guidelines for the conduct of High-Speed Craft model tests	DE
209	MSC/Circ.1046	Guidelines for the assessment of thermal protection	DE
210	MSC/Circ.1047	Guidelines for monthly shipboard inspection of immersion suits and anti-exposure suits by ships' crews	DE
211	MSC/Circ.1048	Performance standards and performance tests for manually powered reverse osmosis desalinators	DE
212	MSC/Circ.1054	Interim Guidelines for wing-in-ground (WIG) craft, as amended by MSC/Circ.1126	DE
213	MSC/Circ.1069	Interpretation of SOLAS regulation XII/13	DE
214	MSC/Circ.1070	Ship design, construction, repair and maintenance	DE	Supersedes MSC/Circ.807
215	MSC/Circ.1071	Guidelines for bulk carrier hatch cover surveys and owners' inspections and maintenance	DE
216	MSC/Circ.1094	Application of SOLAS regulation III/26 concerning fast rescue boat systems on ro-ro passenger ships	DE
218	MSC/Circ.1114	Guidelines for periodic testing of immersion suit and anti-exposure suit seams and closures	DE
219	MSC/Circ.1117	Guidance for checking the structure of bulk carriers	DE
220	MSC/Circ.1135	As-built construction drawings to be maintained on board the ship and ashore	DE
221	MSC/Circ.1138	Interpretations to the Guidelines for design, construction and operation of passenger submersible craft	DE
222	MSC/Circ.1139	Conditions applicable to propulsion control automation systems of ships built after 1 July 1986, but before 1 July 2004 (SOLAS regulation II-1/31)	DE
223	MSC/Circ.1152	Helicopter facilities on board ships - Amendments to Annex 14 (Aerodromes) Volume II (Heliports), to the Convention on International Civil Aviation	DE
224	MSC/Circ.1175	Guidance on shipboard towing and mooring equipment	DE
225	MSC/Circ.1176	Interpretation to SOLAS chapters II-1 and XII, as amended by MSC/Circ.1197	DE
226	MSC/Circ.1177	Interpretations to the 2000 HSC Code	DE
227	MSC.1/Circ.1195	Guidelines for the conduct of high-speed craft model test	DE
228	MSC.1/Circ.1196	Means of embarkation on and disembarkation from ships	DE
229	MSC.1/Circ.1198	Application of SOLAS regulation XII/6.3 on corrosion prevention of dedicated seawater ballast tanks in all types of ship and double-side skin spaces of bulk carriers and application of the performance standard for protective coatings for dedicated seawater ballast tanks in all types of ships and double-side skin spaces of bulk	DE
230	MSC.1/Circ.1199	Interim Guidance on compliance of ships carrying dry cargoes in bulk with requirements of SOLAS chapters II-1, III, IX, XI-1 and XII	DE
231	MSC.1/Circ.1205	Guidelines for developing operation and maintenance manuals for lifeboat systems	DE
232	MSC.1/Circ.1206/ Rev.1	Measures to prevent accidents with lifeboats	DE	Supersedes MSC/Circ.1049, MSC/Circ.1093, MSC/Circ.1136, MSC/Circ.1137 and MSC.1/Circ.1206
233	MSC.1/Circ.1211	Unified interpretations to SOLAS regulation II-1/10 and regulation 12 of the revised SOLAS chapter II-1 regarding bow doors and the extension of the collision bulkhead	DE
234	MSC.1/Circ.1212	Guidelines on alternative design and arrangements for SOLAS chapters II-1 and III	DE
235	DELETED MSC.1/Circ.1214	Performance standards for the systems and services to remain operational on passenger ships for safe return to port and orderly evacuation and abandonment after a casualty	DE	See MSC.1/Circ.1369
236	MSC.1/Circ.1215	Early implementation of amendments to SOLAS chapter III and the International Life-Saving Appliances (LSA) Code	DE
237	MSC.1/Circ.1243	Unified interpretation of SOLAS chapter III	DE
238	MSC.1/Circ.1244	Symbol of infant lifejacket	DE
239	MSC.1/Circ.1247	Unified interpretation of "unforeseen delay in delivery of ships"	DE
240	MSC.1/Circ.1255	Guidelines for owners/operators on preparing emergency towing procedures	DE
241	MSC.1/Circ.1277	Interim Recommendation on conditions for authorization of service providers for lifeboats, launching appliances and on-load release gear	DE
242	MSC.1/Circ.1278	Guidance on wearing immersion suits in totally enclosed lifeboats	DE
243	MSC.1/Circ.1279	Guidelines for corrosion protection of permanent means of access arrangements	DE
244	MSC.1/Circ.1285	Unified interpretation of SOLAS regulation III/16.1	DE
245	MSC.1/Circ.1286	Unified interpretation of SOLAS regulation II-1/32.1	DE
246	MSC.1/Circ.1304	Guidance for application of SOLAS regulation III/7, as amended by resolution MSC.201(81)	DE
247	MSC.1/Circ.1326 and Corr.1	Clarification of SOLAS regulation III/19	DE
248	MSC.1/Circ.1327	Guidelines for the fitting and use of fall preventer devices (FPDs)	DE
249	MSC.1/Circ.1328	Guidelines for the approval of inflatable liferafts subject to extended service intervals not exceeding 30 months	DE
250	MSC.1/Circ.1329	Guidelines for uniform operating limitations of high-speed craft	DE
251	MSC.1/Circ.1330	Guidelines for maintenance and repair of protective coatings	DE
252	MSC.1/Circ.1331	Guidelines for construction, installation, maintenance and inspection/survey of means of embarkation and disembarkation	DE
253	SLS.14/Circ.1	Record of cargo ship safety equipment	DE
254	SN/Circ.52	Warning of bulbous bows, bow propulsion and exhibition of all-round red light	DE
	MSC.1/Circ.1345	Unified interpretation of SOLAS regulation II-1/27.5	DE
	MSC.1/Circ.1346	Interpretation of the 2000 HSC Code	DE
	MSC.1/Circ.1347	Determination of the required safe working load of liferaft launching appliances on passenger ships	DE
	MSC.1/Circ.1348	Guidelines for the assessment of technical provisions for the performance of an in-water survey in lieu of bottom inspection in dry dock to permit one dry-dock examination in any five-year period for passenger ships other than ro-ro passenger ships	DE
	MSC.1/Circ.1372	Guidance for application of SOLAS regulation II-1/41.6	DE
	MSC.1/Circ.1378	Unified Interpretation of the Performance Standard for protective coatings for dedicated seawater ballast tanks in all types of ships and double-side skin spaces of bulk carriers (resolution MSC.215(82))	DE
	MSC.1/Circ.1379	Unified interpretation of SOLAS regulation II 1/3-5	DE
	MSC.1/Circ.1381	Modifications to footnotes in the coating performance standards adopted by resolutions MSC.215(82) and MSC.288(87)	DE
	MSC.1/Circ.1392	Guidelines for evaluation and replacement of lifeboat release and retrieval systems	DE
	MSC.1/Circ.1393	Early application of new SOLAS regulation III/1.5	DE
	MSC.1/Circ.1397	Unified interpretation of SOLAS regulation III/15.1	DE
	MSC.1/Circ.1398	Unified interpretation of SOLAS regulation II-1/29	DE
	MSC.1/Circ.1399	Guidelines on procedures for in-service maintenance and repair of coating systems for cargo oil tanks of crude oil tankers	DE
	MSC.1/Circ.1411	Early implementation of the amendments to SOLAS regulation III/20.11.2	DE
	MSC.1/Circ.1416	Unified interpretation of SOLAS regulations II-1/28 and II-1/29	DE
	MSC.1/Circ.1417	Guidelines for passenger ship tenders	DE
	MSC.1/Circ.1418	Guidelines for the design and installation of a visible element to the general emergency alarm on passenger ships	DE
	MSC.1/Circ.1419	Guidelines for the standardization of lifeboat control arrangements	DE
	MSC.1/Circ.1420	Awareness of counterfeit and substandard life-saving appliances	DE
	MSC.1/Circ.1421	Guidelines on exemptions for crude oil tankers solely engaged in the carriage of cargoes and cargo handling operations not causing corrosion	DE
	MSC.1/Circ.1422	Unified interpretations of the Code of Safety for Special Purpose Ships, 2008 (2008 SPS Code)	DE	Chapters 1, 2, 6, 7 and 10
	MSC.1/Circ.1423	Unified interpretation to paragraph 1.2.2.6 of the LSA Code concerning lifeboat exterior colour	DE
	MSC.1/Circ.1424	Unified interpretation of SOLAS regulation II-1/48.3	DE
	MSC.1/Circ.1425	Unified interpretation of SOLAS regulations II-1/29.3 and 29.4	DE
	MSC.1/Circ.1426	Unified interpretation of SOLAS regulation II-1/3-5	DE
	MSC-MEPC.2/Circ.10	Unified interpretations on the application of SOLAS, MARPOL and Load Line requirements to conversions of single-hull tankers to double-hull tankers or bulk carriers	DE

IMO body DE/BLG

No.	Instrument	Name	IMO body	Remarks
256	A.582(14)	Guidelines for the construction and equipment of ships carrying hazardous liquid wastes in bulk for the purpose of dumping at sea	DE/BLG
257	A.491(XII)	Code of Safety for Nuclear Merchant Ships	DE/BLG

IMO body DE/COMSAR

No.	Instrument	Name	IMO body	Remarks
258	A.658(16)	Use and fitting of retro-reflective materials on life-saving appliances	DE/COMSAR

IMO body DE/FP

No.	Instrument	Name	IMO body	Remarks
255	A.792(19)	Safety culture in and around passenger ships	DE/FP
259	A.692(17)	Guidelines and specifications for hyperbaric evacuation systems	DE/FP

IMO body DE/FP/SLF

No.	Instrument	Name	IMO body	Remarks
217	MSC/Circ.1102	Interpretation of the 2000 HSC Code and SOLAS chapter X	DE/FP/SLF

IMO body DE/NAV

No.	Instrument	Name	IMO body	Remarks
260	MSC/Circ.808	Recommendation on performance standards for public address systems on passenger ships, including cabling	DE/NAV
261	MSC/Circ.1053	Explanatory notes to the Standards for ship manoeuvrability	DE/NAV	Supersedes MSC/Circ.644
262	MSC/Circ.1143	Guidelines on early assessment of hull damage and possible need for abandonment of bulk carriers	DE/NAV

IMO body DE/SLF

No.	Instrument	Name	IMO body	Remarks
263	MSC/Circ.1108	Guidelines for assessing the longitudinal strength of bulk carriers during loading, unloading and ballast water exchange	DE/SLF
264	FAO/ILO/IMO Code	FAO/ILO/IMO Code of safety for fishermen and fishing vessels, 2005 (MSC 79/23, annex 38)	DE/SLF
265	FAO/ILO/IMO Guidelines	FAO/ILO/IMO Voluntary guidelines for the design, construction and equipment of small fishing vessels (MSC 79/23, annex 39)	DE/SLF

IMO body DE/SLF/DSC

No.	Instrument	Name	IMO body	Remarks
138	MSC.235(82)	Guidelines for the design and construction of offshore supply vessels, 2006	DE/SLF/DSC	Supersedes A.469(XII)

IMO body DE/SLF/DSC

No.	Instrument	Name	IMO body	Remarks
138	MSC.235(82)	Guidelines for the design and construction of offshore supply vessels, 2006, as amended by MSC.335(90)	DE/SLF/DSC	Supersedes A.469(XII)

IMO body DE/SLF/FP

No.	Instrument	Name	IMO body	Remarks
266	MSC/Circ.608/Rev.1	Interim guidelines for open-top containerships	DE/SLF/FP

IMO body DE/STW

No.	Instrument	Name	IMO body	Remarks
267	MSC/Circ.1161	Guidance on training for fast rescue boats launch and recovery teams and boat crews	DE/STW
268	MSC/Circ.1162	General principles and recommendations for knowledge, skills and training for officers on Wing-In-Ground (WIG) craft operating in both displacement and ground effect modes	DE/STW

IMO body DSC

No.	Instrument	Name	IMO body	Remarks
269	A.489(XII)	Safe stowage and securing of cargo units and other entities in ships other than cellular containerships	DSC
270	A.533(13)	Elements to be taken into account when considering the safe stowage and securing of cargo units and vehicles in ships	DSC
271	A.581(14)	Guidelines for securing arrangements for the transport of road vehicles on ro-ro ships, as amended by MSC/Circ.812	DSC
272	A.713(17)	Safety of ships carrying solid bulk cargoes	DSC
273	A.714(17)	Code of Safe Practice for Cargo Stowage and Securing (CSS Code), as amended by MSC/Circ.664, MSC/Circ.691, MSC/Circ.740, MSC/Circ.812 and MSC/Circ.1026	DSC
274	A.715(17)	Code of Practice for Ships Carrying Timber Deck Cargoes (Timber Code)	DSC
275	A.797(19)	Safety of ships carrying solid bulk cargoes	DSC
276	A.854(20)	Guidelines for developing shipboard emergency plans for ships carrying materials subject to the INF Code	DSC
277	A.862(20)	Code of Practice for the Safe Loading and Unloading of Bulk Carriers (BLU Code), as amended by MSC.238(82)	DSC
278	A.864(20)	Recommendations for entering enclosed spaces aboard ships	DSC
279	A.984(24)	Facilitation of the carriage of the IMDG Code class 7 radioactive materials including those in packaged form used in medical or public health applications	DSC
280	CSC/Circ.100	Harmonized interpretation and implementation of the International Convention for Safe Containers, 1972, as amended by CSC/Circ.124	DSC
281	CSC/Circ.131	International Convention for Safe Containers (CSC), 1972/Implementation, testing, inspection and approval	DSC	Replaces CSC/Circ.129
282	CSC/Circ.134	Guidance on serious structural deficiencies in containers, as amended by CSC.1/Circ.137	DSC
283	DSC/Circ.11	Ships carrying fumigated bulk cargoes	DSC
284	DSC/Circ.12 and Corr.1 & 2	Guidance on the continued use of existing IMO type portable tanks and road tank vehicles for the transport of dangerous goods	DSC
285	DSC/Circ.14	Compliance with the provisions of the Code of safe practice for solid bulk cargoes (BC Code)	DSC	To be deleted when BC Code is superseded by IMSBC Code as of 1 January 2011 (MSC.268(85))
286	IMO/IAEA	IMO/IAEA Safety recommendations on the use of ports by nuclear merchant ships	DSC
287	MSC.193(79)	The Code of safe practice for solid bulk cargoes (BC Code), 2004	DSC	To be deleted as superseded by MSC.268(85) as of 1 January 2011
288	MSC.268(85)	International Maritime Solid Bulk Cargoes (IMSBC) Code (Mandatory except as stated in section 1.4 of the Code)	DSC	Supersedes MSC.193(79)
289	MSC/Circ.488	Containers and cargoes. Carriage of grain: Guidance on interpretation and equivalences	DSC
290	MSC/Circ.548	Guidance note on precautions to be taken by masters of ships engaged in the carriage of timber cargo (supplement to the Code of Safe Practice for Ships Carrying Timber Deck Cargoes)	DSC
291	MSC/Circ.592	Carriage of dangerous goods: Acceptance of the document of compliance	DSC
292	MSC/Circ.612	Recommendations on the safe use of pesticides in ships, as amended by MSC/Circ.689 and MSC/Circ.746	DSC	To be revised (on the Agenda of DSC)
293	MSC/Circ.656	Safety of ships carrying solid bulk cargoes	DSC
294	MSC/Circ.667	Safe practices on board bulk carriers	DSC
295	MSC/Circ.743	Communications between maritime Administrations and port authorities	DSC
296	MSC/Circ.745	Guidelines for the preparation of the Cargo Securing Manual	DSC
297	MSC/Circ.787	IMO/ILO/UN ECE Guidelines for Packing of Cargo Transport Units (CTUs)	DSC
298	MSC/Circ.859	Inspection programmes for cargo transport units (CTUs) carrying dangerous goods	DSC
299	MSC/Circ.860	Guidelines for the approval of offshore containers handled in open seas	DSC
300	MSC/Circ.908	Uniform method of measurement of the density of bulk cargoes	DSC
301	MSC/Circ.947	Safe loading and unloading of bulk carriers	DSC
302	MSC/Circ.963	Transport of Calcium Hypochlorite	DSC
303	MSC/Circ.1025	Revised Emergency Response Procedures for Ships Carrying Dangerous Goods (EmS Guide), as amended by MSC.1/Circ.1025/Add.1 and MSC.1/Circ.1262	DSC
304	MSC/Circ.1119	Ship/terminal interface improvement for bulk carriers	DSC
305	MSC/Circ.1147	Questionnaire on inspections of containers/vehicles carrying packaged dangerous goods	DSC
306	MSC/Circ.1149	Accidents involving bulk cargoes not specifically listed in the Code of safe practice for solid bulk cargoes (BC Code)	DSC
307	MSC/Circ.1160	Manual on loading and unloading of solid bulk cargoes for terminal representatives, as amended by MSC/Circ.1230	DSC
308	MSC.1/Circ.1202	Inspection programmes for cargo transport units (CTUs) carrying dangerous goods	DSC	Replaces CSC/Circ.859
309	MSC.1/Circ.1216	Revised recommendations on the safe transport of dangerous cargoes and related activities in port areas	DSC	Revokes MSC/Circ.675
310	MSC.1/Circ.1263	Revised Recommendation on safety of personnel during container securing operations	DSC	Supersedes MSC/Circ.886
311	MSC.1/Circ.1264	Recommendations on the safe use of pesticides in ships applicable to fumigation of cargo holds (Supersedes partly MSC/Circ.612 as amended by MSC/Circ.689 and MSC/Circ.746)	DSC
312	MSC.1/Circ.1265	Recommendations on the safe use of pesticides in ships applicable to fumigation of cargo transport units (Supersedes partly MSC/Circ.612 as amended by MSC/Circ.689 and MSC/Circ.746)	DSC
313	MSC.1/Circ.1266	Document of compliance with the special requirements for ships carrying dangerous goods	DSC	Supersedes MSC/Circ.1027 and MSC/Circ.1148
314	MSC-MEPC.2/Circ.1	Disposal of fumigant material	DSC

IMO body DSC

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
269	A.489(XII)	Safe stowage and securing of cargo units and other entities in ships other than cellular containerships	DSC
270	A.533(13)	Elements to be taken into account when considering the safe stowage and securing of cargo units and vehicles in ships, as amended by MSC.1/Circ.1354	DSC
271	A.581(14)	Guidelines for securing arrangements for the transport of road vehicles on ro-ro ships, as amended by MSC/Circ.812 and MSC.1/Circ.1355	DSC
272	A.713(17)	Safety of ships carrying solid bulk cargoes	DSC
273	A.714(17)	Code of Safe Practice for Cargo Stowage and Securing (CSS Code) (non-mandatory except mandatory sub-chapter 1.9), as amended by MSC/Circ.664, MSC/Circ.691, MSC/Circ.740, MSC/Circ.812 and MSC/Circ.1026 and MSC.1/Circ.1352	DSC
274	A.715(17)	Code of Practice for Ships Carrying Timber Deck Cargoes (Timber Code)	DSC
275	A.797(19)	Safety of ships carrying solid bulk cargoes	DSC
276	A.854(20)	Guidelines for developing shipboard emergency plans for ships carrying materials subject to the INF Code	DSC
277	A.862(20)	Code of Practice for the Safe Loading and Unloading of Bulk Carriers (BLU Code), as amended by MSC.238(82)	DSC
278	A.864(20)	Recommendations for entering enclosed spaces aboard ships	DSC
279	A.984(24)	Facilitation of the carriage of the IMDG Code class 7 radioactive materials including those in packaged form used in medical or public health applications	DSC
280	DELETED CSC/Circ.100	Harmonized interpretation and implementation of the International Convention for Safe Containers, 1972, as amended by CSC/Circ.124	DSC	See CSC.1/Circ.138
281	CSC/Circ.131	International Convention for Safe Containers (CSC), 1972/Implementation, testing, inspection and approval	DSC	Replaces CSC/Circ.129
282	DELETED CSC/Circ.134	Guidance on serious structural deficiencies in containers, as amended by CSC.1/Circ.137	DSC	See CSC.1/Circ.138
283	DSC/Circ.11	Ships carrying fumigated bulk cargoes	DSC
284	DSC/Circ.12 and Corr.1 & 2	Guidance on the continued use of existing IMO type portable tanks and road tank vehicles for the transport of dangerous goods	DSC
285	DELETED DSC/Circ.14	Compliance with the provisions of the Code of safe practice for solid bulk cargoes (BC Code)	DSC	Deleted as BC Code was superseded by IMSBC Code as of 1 January 2011 (MSC.268(85)) To be deleted when BC Code is superseded by IMSBC Code as of 1 January 2011 (MSC.268(85))
286	IMO/IAEA	IMO/IAEA Safety recommendations on the use of ports by nuclear merchant ships	DSC
287	DELETED MSC.193(79)	The Code of safe practice for solid bulk cargoes (BC Code), 2004	DSC	Deleted as superseded by MSC.268(85) as of 1 January 2011 To be deleted as superseded by MSC.268(85) as of 1 January 2011
288	MSC.268(85)	International Maritime Solid Bulk Cargoes (IMSBC) Code (Mandatory except as stated in section 1.4 of the Code), as amended by MSC.318(89)	DSC	Supersedes MSC.193(79)
289	MSC/Circ.488	Containers and cargoes. Carriage of grain: Guidance on interpretation and equivalences	DSC
290	MSC/Circ.548	Guidance note on precautions to be taken by masters of ships engaged in the carriage of timber cargo (supplement to the Code of Safe Practice for Ships Carrying Timber Deck Cargoes)	DSC
291	MSC/Circ.592	Carriage of dangerous goods: Acceptance of the document of compliance	DSC
292	DELETED MSC/Circ.612	Recommendations on the safe use of pesticides in ships, as amended by MSC/Circ.689 and MSC/Circ.746	DSC	See MSC.1/Circ.1264 To be revised (on the Agenda of DSC)
293	MSC/Circ.656	Safety of ships carrying solid bulk cargoes	DSC
294	MSC/Circ.667	Safe practices on board bulk carriers	DSC
295	MSC/Circ.743	Communications between maritime Administrations and port authorities	DSC
296	DELETED MSC/Circ.745	Guidelines for the preparation of the Cargo Securing Manual	DSC	See MSC.1/Circ.1353
297	MSC/Circ.787	IMO/ILO/UN ECE Guidelines for Packing of Cargo Transport Units (CTUs)	DSC
298	MSC/Circ.859	Inspection programmes for cargo transport units (CTUs) carrying dangerous goods	DSC
299	MSC/Circ.860	Guidelines for the approval of offshore containers handled in open seas	DSC
300	MSC/Circ.908	Uniform method of measurement of the density of bulk cargoes	DSC
301	MSC/Circ.947	Safe loading and unloading of bulk carriers	DSC
302	MSC/Circ.963	Transport of Calcium Hypochlorite	DSC
303	MSC/Circ.1025	Revised Emergency Response Procedures for Ships Carrying Dangerous Goods (EmS Guide), as amended by MSC.1/Circ.1025/Add.1 and MSC.1/Circ.1262 and MSC.1/Circ.1360	DSC
304	MSC/Circ.1119	Ship/terminal interface improvement for bulk carriers	DSC
305	MSC/Circ.1147	Questionnaire on inspections of containers/vehicles carrying packaged dangerous goods	DSC
306	MSC/Circ.1149	Accidents involving bulk cargoes not specifically listed in the Code of safe practice for solid bulk cargoes (BC Code)	DSC
307	MSC/Circ.1160	Manual on loading and unloading of solid bulk cargoes for terminal representatives, as amended by MSC/Circ.1230 and MSC.1/Circ.1356	DSC
308	MSC.1/Circ.1202	Inspection programmes for cargo transport units (CTUs) carrying dangerous goods	DSC	Replaces CSC/Circ.859
309	MSC.1/Circ.1216	Revised recommendations on the safe transport of dangerous cargoes and related activities in port areas	DSC	Revokes MSC/Circ.675
310	MSC.1/Circ.1263	Revised Recommendation on safety of personnel during container securing operations	DSC	Supersedes MSC/Circ.886
311	MSC.1/Circ.1264	Recommendations on the safe use of pesticides in ships applicable to fumigation of cargo holds (Supersedes partly MSC/Circ.612 as amended by MSC/Circ.689 and MSC/Circ.746) as amended by MSC.1/Circ.1396	DSC	Supersedes partly MSC/Circ.612 as amended by MSC/Circ.689 and MSC/Circ.746
312	DELETED MSC.1/Circ.1265	Recommendations on the safe use of pesticides in ships applicable to fumigation of cargo transport units (Supersedes partly MSC/Circ.612 as amended by MSC/Circ.689 and MSC/Circ.746)	DSC	See MSC.1/Circ.1361
313	MSC.1/Circ.1266	Document of compliance with the special requirements for ships carrying dangerous goods	DSC	Supersedes MSC/Circ.1027 and MSC/Circ.1148
314	MSC-MEPC.2/Circ.1	Disposal of fumigant material	DSC
	CSC.1/Circ.138	Revised Recommendations on harmonized interpretation and implementation of the International Convention for Safe Containers, 1972, as amended	DSC	Supersedes CSC/Circ.100, CSC/Circ.123, CSC/Circ.124, CSC/Circ.134 and CSC/Circ.137
	CSC.1/Circ.139	International Convention for Safe Containers (CSC), 1972 / Implementation, testing, inspection and approval / List of Organizations entrusted	DSC	Replaces CSC.1/Circ.136
	DSC.1/Circ.63	Carriage of iron ore fines that may liquefy	DSC
	MSC.1/Circ.1351	Interpretation of stowage and segregation requirements for BROWN COALBRIQUETTES and COAL related to "hot areas" in the IMSBC Code	DSC
	MSC.1/Circ.1353	Revised Guidelines for the preparation of the Cargo Securing Manual	DSC	Supersedes MSC/Circ.745
	MSC.1/Circ.1357	Additional considerations for the safe loading of bulk carriers	DSC
	MSC.1/Circ.1358	Recommendations on the safe use of pesticides in ships	DSC	Supersedes MSC/Circ.612, as amended byMSC/Circ.689 and MSC/Circ.746
	MSC.1/Circ.1359	Information on local regulations	DSC
	MSC.1/Circ.1361	Revised Recommendation on the safe use of pesticides in ships applicable to the fumigation of cargo transport units	DSC	Supersedes MSC.1/Circ.1265
	MSC.1/Circ.1395	Lists of solid bulk cargoes for which a fixed gas fire extinguishing system may be exempted or for which a fixed gas fire extinguishing system is ineffective	DSC	Supersedes MSC/Circ.1146
	IMO/ILO/UNECE	Guidelines for packing cargo transport units (CTUS), as amended by MSC 89 (annex 10, MSC 89/25/Add.1)	DSC

IMO body DSC

The amendments shows additions or changes to MSC.1/Circ.1371

	Instrument	Name	IMO body	Remarks
	A.489(XII)	Safe stowage and securing of cargo units and other entities in ships other than cellular containerships	DSC
	A.533(13)	Elements to be taken into account when considering the safe stowage and securing of cargo units and vehicles in ships, as amended by MSC.1/Circ.1354	DSC
	A.581(14)	Guidelines for securing arrangements for the transport of road vehicles on ro-ro ships, as amended by MSC/Circ.812 and MSC.1/Circ.1355	DSC
	A.713(17)	Safety of ships carrying solid bulk cargoes	DSC
	A.714(17)	Code of Safe Practice for Cargo Stowage and Securing (CSS Code) (non-mandatory except mandatory sub-chapter 1.9), as amended by MSC/Circ.664, MSC/Circ.691, MSC/Circ.740, MSC/Circ.812 and MSC/Circ.1026 and MSC.1/Circ.1352	DSC
	DELETED A.715(17)	Code of Practice for Ships Carrying Timber Deck Cargoes (Timber Code)	DSC	Revoked by A.1049(27)
	A.797(19)	Safety of ships carrying solid bulk cargoes	DSC
	A.854(20)	Guidelines for developing shipboard emergency plans for ships carrying materials subject to the INF Code	DSC
	A.862(20)	Code of Practice for the Safe Loading and Unloading of Bulk Carriers (BLU Code), as amended by MSC.238(82)	DSC
	DELETED A.864(20)	Recommendations for entering enclosed spaces aboard ships	DSC	Revoked by A.1050(27)
	A.984(24)	Facilitation of the carriage of the IMDG Code class 7 radioactive materials including those in packaged form used in medical or public health applications	DSC
	A.1048(27)	Code of safe practice for ships carrying timber deck cargoes, 2011 (2011 TDC Code)	DSC	Revokes A.715(17)
	A.1050(27)	The revised recommendations for entering enclosed spaces aboard ships	DSC	Revokes A.864(20)
	CSC/Circ.131	International Convention for Safe Containers (CSC), 1972/Implementation, testing, inspection and approval	DSC	Replaces CSC/Circ.129
	DSC/Circ.11	Ships carrying fumigated bulk cargoes	DSC
	DSC/Circ.12 and Corr.1 & 2	Guidance on the continued use of existing IMO type portable tanks and road tank vehicles for the transport of dangerous goods	DSC
	IMO/IAEA	IMO/IAEA Safety recommendations on the use of ports by nuclear merchant ships	DSC
	MSC.268(85)	International Maritime Solid Bulk Cargoes (IMSBC) Code (Mandatory except as stated in section 1.4 of the Code), as amended by MSC.318(89)	DSC	Supersedes MSC.193(79)
	MSC/Circ.488	Containers and cargoes. Carriage of grain: Guidance on interpretation and equivalences	DSC
	MSC/Circ.548	Guidance note on precautions to be taken by masters of ships engaged in the carriage of timber cargo (supplement to the Code of Safe Practice for Ships Carrying Timber Deck Cargoes)	DSC
	MSC/Circ.592	Carriage of dangerous goods: Acceptance of the document of compliance	DSC
	MSC/Circ.656	Safety of ships carrying solid bulk cargoes	DSC
	MSC/Circ.663	Containers and cargoes: form for cargo information	DSC
	MSC/Circ.667	Safe practices on board bulk carriers	DSC
	MSC/Circ.743	Communications between maritime Administrations and port authorities	DSC
	MSC/Circ.787	IMO/ILO/UN ECE Guidelines for Packing of Cargo Transport Units (CTUs), as amended by the document contained in annex 10 to MSC 89/25/Add.1	DSC
	MSC/Circ.859	Inspection programmes for cargo transport units (CTUs) carrying dangerous goods	DSC
	MSC/Circ.860	Guidelines for the approval of offshore containers handled in open seas	DSC
	MSC/Circ.908	Uniform method of measurement of the density of bulk cargoes	DSC
	MSC/Circ.947	Safe loading and unloading of bulk carriers	DSC
	MSC/Circ.963	Transport of Calcium Hypochlorite	DSC
	MSC/Circ.1025	Revised Emergency Response Procedures for Ships Carrying Dangerous Goods (EmS Guide), as amended by MSC.1/Circ.1025/Add.1 and MSC.1/Circ.1262, MSC.1/Circ.1360 and MSC.1/Circ.1438	DSC
	MSC/Circ.1119	Ship/terminal interface improvement for bulk carriers	DSC
	MSC/Circ.1147	Questionnaire on inspections of containers/vehicles carrying packaged dangerous goods	DSC
	MSC/Circ.1149	Accidents involving bulk cargoes not specifically listed in the Code of safe practice for solid bulk cargoes (BC Code)	DSC
	MSC/Circ.1160	Manual on loading and unloading of solid bulk cargoes for terminal representatives, as amended by MSC/Circ.1230 and MSC.1/Circ.1356	DSC
	DELETED MSC.1/Circ.1202	Inspection programmes for cargo transport units (CTUs) carrying dangerous goods	DSC	Superseded by MSC.1/Circ.1442 Replaces CSC/Circ.859
	MSC.1/Circ.1216	Revised recommendations on the safe transport of dangerous cargoes and related activities in port areas	DSC	Revokes MSC/Circ.675
	MSC.1/Circ.1263	Revised Recommendation on safety of personnel during container securing operations	DSC	Supersedes MSC/Circ.886
	MSC.1/Circ.1264	Recommendations on the safe use of pesticides in ships applicable to fumigation of cargo holds (Supersedes partly MSC/Circ.612 as amended by MSC/Circ.689 and MSC/Circ.746) as amended by MSC.1/Circ.1396	DSC	Supersedes partly MSC/Circ.612 as amended by MSC/Circ.689 and MSC/Circ.746
	MSC.1/Circ.1266	Document of compliance with the special requirements for ships carrying dangerous goods	DSC	Supersedes MSC/Circ.1027 and MSC/Circ.1148
	MSC.1/Circ.1439	Conversion table (record of amendments) for part 7 requirements of theIMDG Code concerning transport operations	DSC
	MSC.1/Circ.1440	Illustrations of segregation of cargo transport units on board containershipsand ro-ro ships	DSC
	MSC.1/Circ.1441	Interim measures for early implementation of the draft amendments (02-13)to the IMSBC Code expected to be adopted at MSC 92	DSC
	MSC.1/Circ.1442	Inspection programmes for cargo transport units carrying dangerous goods	DSC	Supersedes MSC.1/Circ.1202
	MSC-MEPC.2/Circ.1	Disposal of fumigant material	DSC
	CSC.1/Circ.138	Revised Recommendations on harmonized interpretation and implementation of the International Convention for Safe Containers, 1972, as amended	DSC	Supersedes CSC/Circ.100, CSC/Circ.123, CSC/Circ.124, CSC/Circ.134 and CSC/Circ.137
	CSC.1/Circ.139	International Convention for Safe Containers (CSC), 1972 / Implementation, testing, inspection and approval / List of Organizations entrusted	DSC	Replaces CSC.1/Circ.136
	DSC.1/Circ.63	Carriage of iron ore fines that may liquefy	DSC
	MSC.1/Circ.1351	Interpretation of stowage and segregation requirements for BROWN COAL BRIQUETTES and COAL related to "hot areas" in the IMSBC Code	DSC
	MSC.1/Circ.1353	Revised Guidelines for the preparation of the Cargo Securing Manual	DSC	Supersedes MSC/Circ.745
	MSC.1/Circ.1357	Additional considerations for the safe loading of bulk carriers	DSC
	MSC.1/Circ.1358	Recommendations on the safe use of pesticides in ships	DSC	Supersedes MSC/Circ.612, as amended by MSC/Circ.689 and MSC/Circ.746
	MSC.1/Circ.1359	Information on local regulations	DSC
	MSC.1/Circ.1361	Revised Recommendation on the safe use of pesticides in ships applicable to the fumigation of cargo transport units	DSC	Supersedes MSC.1/Circ.1265
	MSC.1/Circ.1395	Lists of solid bulk cargoes for which a fixed gas fire extinguishing system may be exempted or for which a fixed gas fire extinguishing system is ineffective	DSC	Supersedes MSC/Circ.1146
	DELETED IMO/ILO/UNECE	Guidelines for packing cargo transport units (CTUS), as amended by MSC 89 (annex 10, MSC 89/25/Add.1)	DSC	See MSC/Circ.787

IMO body DSC/BLG

No.	Instrument	Name	IMO body	Remarks
317	MSC/Circ.1100	Recommendation for the use of a standard format for the cargo information required by chapter 16 of the IBC Code	DSC/BLG

IMO body DSC/DE

No.	Instrument	Name	IMO body	Remarks
315	A.863(20)	Code of safe practice for the carriage of cargoes and persons by offshore supply vessels (OSV Code) as amended by MSC.237(82)	DSC/DE

IMO body DSC/FSI

No.	Instrument	Name	IMO body	Remarks
316	MSC/Circ.559/ Corr.1	Development of Guidelines to ensure the reporting to the Organization of incidents involving dangerous goods and marine pollutants in packaged form on board ships in port areas	DSC/FSI

IMO body FAL/MSC/MEPC

No.	Instrument	Name	IMO body	Remarks
545	MSC/Circ.1151	Revised list of certificates and documents required to be carried on board ships (FAL.2/Circ.87, MEPC/Circ.426)	FAL/MSC/MEPC

IMO body FAL/MSC/MEPC

	Instrument	Name	IMO body	Remarks
	DELETED MSC/Circ.1151	Revised list of certificates and documents required to be carried on board ships (FAL.2/Circ.87, MEPC/Circ.426)	FAL/MSC/MEPC	Superseded by FAL.2/Circ.123MEPC.1/Circ.769MSC.1/Circ.1409
	FAL.2/Circ.123MEPC.1/Circ.769MSC.1/Circ.1409	Revised list of certificates and documents required to be carried on boardships	MSC/FAL/MEPC	Supersedes FAL.2/Circ.87-MEPC/Circ.426-MSC/Circ.1151

IMO body FP

No.	Instrument	Name	IMO body	Remarks
319	A.123(V)	Recommendation on fixed fire-extinguishing systems for special cargo spaces	FP
320	A.164(ES.IV)	Recommendation concerning checking the constancy of the properties of materials	FP
321	A.470(XII)	International shore connection (shoreside)	FP
322	A.471(XII)	Recommendation on test method for determining the resistance to flame of vertically supported textiles and films, as amended by A.563(14)	FP
323	A.519(13)	Standards for devices to prevent the passage of flame into cargo tanks	FP
324	A.565(14)	Recommended procedures to prevent the illegal or accidental use of low flashpoint cargo oil as fuel	FP
325	A.567(14)	Regulation for inert gas systems on chemical tankers	FP	Supersedes A.473(XII)
326	A.652(16)	Recommendation on fire test procedures for upholstered furniture	FP
327	A.653(16)	Recommendation on improved fire test procedures for surface flammability of bulkhead, ceiling and deck finish materials	FP
328	A.654(16)	Graphical symbols for fire control plans	FP
329	A.655(16)	Use of halons as fire-extinguishing media on board ships	FP
330	A.687(17)	Fire test procedures for ignitability of primary deck coverings	FP
331	A.688(17)	Fire test procedures for ignitability of bedding components	FP
332	A.752(18)	Guidelines for the evaluation, testing and application of low-location lighting on passenger ships	FP
333	A.753(18)	Guidelines for the application of plastic pipes on ships	FP
334	A.754(18)	Recommendation on fire resistance tests for "A", "B" and "F" class divisions	FP
335	A.756(18)	Guidelines on the information to be provided with fire control plans and booklets required by SOLAS regulations II-2/20 and 41-2	FP
336	A.799(19)	Revised recommendation on test methods for qualifying marine construction materials as non-combustible	FP
337	A.800(19)	Revised guidelines for approval of sprinkler systems equivalent to that referred to in SOLAS regulation II-2/12, as amended by MSC.265(84) and MSC.284(86)	FP
338	A.951(23)	Improved guidelines for marine portable fire extinguishers	FP	Revokes A.602(15)
339	A.952(23)	Graphical symbols for shipboard fire control plans	FP
340	MSC.8(48)	Recommendations concerning fire safety requirements additional to those contained in chapter II-2 of the 1981 SOLAS amendments	FP
341	MSC.40(64)	Standard for qualifying marine materials for high-speed craft as fire-restricting materials	FP
342	MSC.41(64)	Interim standard for measuring smoke and toxic products of combustion	FP
343	MSC.44(65)	Standards for fixed sprinkler systems for high-speed craft	FP
344	MSC.45(65)	Test procedures for fire-resisting divisions of high-speed craft	FP
354	MSC/Circ.581	Guidance for fire test procedures on smoke and toxic products generated by combustible material in fires	FP
355	MSC/Circ.599	New halon installations as being of essential use	FP
356	MSC/Circ.600	Annual leakage check of halon fire-extinguishing systems	FP
357	MSC/Circ.601	Fire protection in machinery spaces	FP
358	MSC/Circ.602	Materials used for bulkheads in accommodation spaces defined in regulation II-2/3.10 of the 1974 SOLAS Convention	FP
348	MSC/Circ.451	Guidance concerning the location of fire control plans for the assistance of shoreside fire-fighting personnel	FP
350	MSC/Circ.526	Special fire protection requirements for large open multi-deck spaces (atrium)	FP
351	MSC/Circ.549	Guidelines for uniform interpretation of results of fire test procedure carried out in accordance with resolution A.653(16) "Recommendation on improved fire test procedures for surface flammability of bulkhead, ceiling and deck finish materials" and resolution A.687(17) "Fire test procedures for ignitability of primary deck coverings"	FP
352	MSC/Circ.550/ Rev.1	Recommendation on the release mechanism of carbon dioxide fire-extinguishing systems	FP
360	MSC/Circ.668	Alternative arrangements for halon fire-extinguishing systems in machinery spaces and pump-rooms	FP
362	MSC/Circ.670	Guidelines for the performance and testing criteria and surveys of high-expansion foam concentrates for fixed fire-extinguishing systems	FP
363	MSC/Circ.672	Measures to prevent explosions in oil tanker pump-rooms on new and existing oil tankers	FP
364	MSC/Circ.677	Revised Standards for the design, testing and locating of devices to prevent the passage of flame into cargo tanks in tankers, as amended by MSC/Circ.1009 and MSC.1/Circ.1324	FP
365	MSC/Circ.727	Recommendation on thermal radiation test supplement to fire resistance tests for "A", "B" and "F" class divisions	FP
366	MSC/Circ.728	Revised test method for equivalent water-based fire-extinguishing systems for machinery spaces of category A and cargo pump-rooms contained in MSC/Circ.668	FP
368	MSC/Circ.732	Interim guidelines on the test procedure for demonstrating the equivalence of composite materials to steel under the provisions of the 1974 SOLAS Convention	FP
369	MSC/Circ.774	Revised measures to prevent explosions in oil tanker cargo pump-rooms	FP
370	MSC/Circ.775	Ships with reduced halon quantities	FP
371	MSC/Circ.776	Guidelines for the approval of equivalent fixed gas fire-extinguishing, as referred to in SOLAS 74, for machinery spaces and cargo pump-rooms	FP
372	MSC/Circ.777	Indication of the "assembly stations" in passenger ships	FP
373	MSC/Circ.798	Guidelines for performance and testing criteria and surveys of medium expansion from concentrates for fixed fire-extinguishing systems	FP
374	MSC/Circ.800	Safety measures for deep-fat cooking equipment	FP
375	MSC/Circ.847	Interpretation of vague expressions and other vague wording in SOLAS chapter II-2	FP
376	MSC/Circ.848	Revised guidelines for the approval of equivalent fixed gas fire-extinguishing systems, as referred to in SOLAS chapter II-2, for machinery spaces and cargo pump-rooms, as amended by MSC.1/Circ.1267	FP
377	MSC/Circ.849	Guidelines for the performance, location, use and care of emergency breathing escape devices (EEBDs)	FP
378	MSC/Circ.850	Guidelines for the maintenance and inspection of fire protection systems and appliances	FP
379	MSC/Circ.851	Guidelines on engine-room oil fuel systems	FP
380	MSC/Circ.858	Documents of compliance with SOLAS regulation II-2/54	FP
381	MSC/Circ.909	Interim guidelines for a simplified evacuation analysis on ro-ro passenger ships	FP
382	MSC/Circ.910	Strength of ro-ro passenger ship "B" class bulkheads to which handrails are attached	FP
383	MSC/Circ.911	Interpretation of fire protection-related provisions of the HSC Code	FP
384	MSC/Circ.911/ Add.1	Addendum to the interpretations of the fire protection-related provisions of the HSC Code	FP
385	MSC/Circ.912	Interpretations of standards for fixed sprinkler systems for high-speed craft (resolution MSC.44(65))	FP
386	MSC/Circ.913	Guidelines for the approval of fixed water-based local application fire-fighting systems for use in category A machinery spaces	FP
387	MSC/Circ.915	Unified interpretation of vague expressions and other vague wording of SOLAS chapter II-2	FP
388	MSC/Circ.916	Interpretation of the International Code for the application of fire test procedures (FTP Code) and fire test procedures referred to in the Code	FP
389	MSC/Circ.917	Guidelines on fire safety construction in accommodation areas	FP
390	MSC/Circ.964	Interpretation of the International Code for the Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code	FP
391	MSC/Circ.965	Unified interpretation of vague expressions and other vague wording of SOLAS chapter II-2	FP
392	MSC/Circ.1002	Guidelines on alternative design and arrangements for fire safety	FP
393	MSC/Circ.1003	Guidelines on a simplified calculation for the total amount of combustible materials per unit area in accommodation and service spaces	FP
394	MSC/Circ.1004	Unified interpretations of the International Code for Application of Fire Test Procedure (FTP Code) and fire test procedures referred to in the Code	FP
395	MSC/Circ.1005	Unified interpretations of vague expressions and other vague wording of SOLAS chapter II-2	FP
396	MSC/Circ.1008	Revisions to interpretations of the International Code for Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code (MSC/Circ.916)	FP
397	MSC/Circ.1034	Guidelines for smoke control and ventilation systems for internal assembly stations and atriums on new passenger ships	FP
398	MSC/Circ.1035	Guidelines for the use and installation of detectors equivalent to smoke detectors	FP
399	MSC/Circ.1036	Unified Interpretations of the International Code for Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code	FP
400	MSC/Circ.1037	Unified interpretations of the revised SOLAS chapter II-2	FP
401	MSC/Circ.1045	Guidelines for maintenance and monitoring of onboard materials containing asbestos	FP
402	MSC/Circ.1081	Unified interpretations of the revised SOLAS chapter II-2	FP
403	MSC/Circ.1082	Unified interpretation of the Guidelines for the approval of fixed water-based local application fire-fighting systems (MSC/Circ.913)	FP
404	MSC/Circ.1083	Unified interpretation of SOLAS regulation II-2/15.2.11, in force before 1 July 2002	FP
405	MSC/Circ.1084	Principles for hot work on board all types of ships	FP
406	MSC/Circ.1085	Use of smoke helmet-type breathing apparatus	FP
407	MSC/Circ.1086	Code of practice for atmospheric oil mist detectors	FP
408	MSC/Circ.1120	Unified interpretation to SOLAS chapter II-2, the FS Code, the FTP Code and related fire test procedures	FP
409	MSC/Circ.1146	Lists of solid bulk cargoes for which a fixed gas fire extinguishing system may be exempted or for which a fixed gas fire-extinguishing system is ineffective	FP	Supersedes MSC/Circ.671
410	MSC/Circ.1165	Revised guidelines for the approval of equivalent water-based fire extinguishing systems for machinery spaces and cargo pump-rooms, as amended by MSC.1/Circ.1237 and MSC.1/Circ.1269	FP
411	MSC/Circ.1167	Functional requirements and performance standards for the assessment of evacuation guidance systems	FP
412	MSC/Circ.1169	Unified interpretations to SOLAS chapter II-2	FP
413	MSC/Circ.1170	Application of SOLAS regulation II-2/15 for lubricating oil and other flammable oil arrangements for ships built before 1 July 1998	FP
414	MSC.1/Circ.1187	Operational recommendations for passenger ships with cabin balconies	FP
415	MSC.1/Circ.1203	Unified interpretations to SOLAS chapter II-2 and the fire test procedures referred to in the FTP Code	FP
416	MSC.1/Circ.1204	Early application of amendments to SOLAS chapter II-2	FP
418	MSC.1/Circ.1238	Guidelines for evacuation analysis for new and existing passenger ships	FP	Supersedes MSC/Circ.1033
419	MSC.1/Circ.1239	Unified interpretations of SOLAS chapter II-2	FP
420	MSC.1/Circ.1240	Unified interpretations of the International Code for Fire Safety Systems (FSS Code)	FP
421	MSC.1/Circ.1241	Unified interpretations of the International Bulk Chemical (IBC) Code	FP
422	MSC.1/Circ.1242	Guidelines for the approval of fixed fire detection and fire alarm systems for cabin balconies	FP
423	MSC.1/Circ.1268	Guidelines for the approval of fixed pressure water-spraying and water-based fire-extinguishing systems for cabin balconies	FP
424	MSC.1/Circ.1270 and Corr.1	Revised Guidelines for the approval of fixed aerosol fire-extinguishing systems equivalent to fixed gas fire-extinguishing systems, as referred to in SOLAS 74, for machinery spaces	FP	Supersedes MSC/Circ.1007
425	MSC.1/Circ.1271	Guidelines for the approval of high-expansion foam using inside air for the protection of machinery spaces and cargo pump-rooms	FP
426	MSC.1/Circ.1272	Guidelines for the approval of fixed water-based fire-fighting systems for ro-ro spaces and special category spaces equivalent to that referred to in resolution A.123(V)	FP	Supersedes MSC/Circ.914
427	MSC.1/Circ.1273	Unified interpretations of the International Code for Application of Fire Test Procedures (FTP Code)	FP
428	MSC.1/Circ.1274	Guidelines for evaluation of fire risk of external areas on passenger ships	FP
429	MSC.1/Circ.1275	Unified interpretations of SOLAS chapter II-2 on the number and arrangement of portable fire extinguishers on board ships	FP
430	MSC.1/Circ.1276	Unified interpretations of SOLAS chapter II-2	FP
431	MSC.1/Circ.1312	Revised guidelines for the performance and testing criteria and surveys of foam concentrates for fixed fire-extinguishing systems	FP	Supersedes MSC/Circ.582 and Corr.1 and MSC/Circ.799, but type approval as per the aforementioned guidelines remain valid until 1 July 2012
432	MSC.1/Circ.1313	Guidance for application of chapters 4 to 7 and 9 of the FSS Code, as amended by resolutions MSC.206 (81) and MSC.217 (82)	FP
433	MSC.1/Circ.1314	Application of SOLAS regulation II-2/10 and chapter 12 of the FSS Code related to emergency fire pump capacity	FP
434	MSC.1/Circ.1315	Guidelines for the approval of fixed dry chemical powder fire-extinguishing systems for the protection of ship carrying liquefied gases in bulk	FP
435	MSC.1/Circ.1316	Guidelines on determining the no observed adverse effect level (NOAEL) and lowest observed adverse effect level (LOAEL) values for halocarbon fire-extinguishing agents	FP
436	MSC.1/Circ.1317	Application for existing approvals according to the revised guidelines for the approval of equivalent fixed gas fire-extinguishing systems, as referred to in SOLAS 74, for machinery spaces and cargo pump-rooms (MSC/Circ.848)	FP
437	MSC.1/Circ.1318	Guidelines for maintenance and inspections of fixed carbon dioxide fire-extinguishing systems	FP
438	MSC.1/Circ.1319	Recommendation for the evaluation of fire performance and approval of large fire doors	FP
439	MSC.1/Circ.1320	Guidelines for the drainage of fire-fighting water from closed vehicle and ro-ro spaces and special category spaces of passenger and cargo ships	FP
440	MSC.1/Circ.1321	Guidelines for measures to prevent fires in engine-rooms and cargo pump-rooms	FP
441	MSC.1/Circ.1322	Unified interpretations of SOLAS chapter II-2	FP
444	MSC/MEPC.2/ Circ.4	Early application of the amendments to the fire protection requirements of the IBC Code	FP
445	SLS.17/Circ.3	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP
446	SLS.17/Circ.3/ Add.1	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP
447	SLS.17/Circ.3/ Add.2	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP

IMO body FP

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
319	A.123(V)	Recommendation on fixed fire-extinguishing systems for special cargo spaces	FP
320	A.164(ES.IV)	Recommendation concerning checking the constancy of the properties of materials	FP
321	A.470(XII)	International shore connection (shoreside)	FP
322	A.471(XII)	Recommendation on test method for determining the resistance to flame of vertically supported textiles and films, as amended by A.563(14)	FP
323	A.519(13)	Standards for devices to prevent the passage of flame into cargo tanks	FP
324	A.565(14)	Recommended procedures to prevent the illegal or accidental use of low flashpoint cargo oil as fuel	FP
325	A.567(14)	Regulation for inert gas systems on chemical tankers	FP	Supersedes A.473(XII)
326	A.652(16)	Recommendation on fire test procedures for upholstered furniture	FP
327	A.653(16)	Recommendation on improved fire test procedures for surface flammability of bulkhead, ceiling and deck finish materials	FP
328	A.654(16)	Graphical symbols for fire control plans	FP
329	A.655(16)	Use of halons as fire-extinguishing media on board ships	FP
330	A.687(17)	Fire test procedures for ignitability of primary deck coverings	FP
331	A.688(17)	Fire test procedures for ignitability of bedding components	FP
332	A.752(18)	Guidelines for the evaluation, testing and application of low-location lighting on passenger ships	FP
333	A.753(18)	Guidelines for the application of plastic pipes on ships, as amended by MSC.313(88)	FP
334	A.754(18)	Recommendation on fire resistance tests for "A", "B" and "F" class divisions	FP
335	A.756(18)	Guidelines on the information to be provided with fire control plans and booklets required by SOLAS regulations II-2/20 and 41-2	FP
336	A.799(19)	Revised recommendation on test methods for qualifying marine construction materials as non-combustible	FP
337	A.800(19)	Revised guidelines for approval of sprinkler systems equivalent to that referred to in SOLAS regulation II-2/12, as amended by MSC.265(84) and MSC.284(86)	FP
338	A.951(23)	Improved guidelines for marine portable fire extinguishers	FP	Revokes A.602(15)
339	A.952(23)	Graphical symbols for shipboard fire control plans	FP
340	MSC.8(48)	Recommendations concerning fire safety requirements additional to those contained in chapter II-2 of the 1981 SOLAS amendments	FP
341	MSC.40(64)	Standard for qualifying marine materials for high-speed craft as fire-restricting materials	FP
342	MSC.41(64)	Interim standard for measuring smoke and toxic products of combustion	FP
343	MSC.44(65)	Standards for fixed sprinkler systems for high-speed craft	FP
344	MSC.45(65)	Test procedures for fire-resisting divisions of high-speed craft	FP
354	MSC/Circ.581	Guidance for fire test procedures on smoke and toxic products generated by combustible material in fires	FP
355	MSC/Circ.599	New halon installations as being of essential use	FP
356	MSC/Circ.600	Annual leakage check of halon fire-extinguishing systems	FP
357	MSC/Circ.601	Fire protection in machinery spaces	FP
358	MSC/Circ.602	Materials used for bulkheads in accommodation spaces defined in regulation II-2/3.10 of the 1974 SOLAS Convention	FP
348	MSC/Circ.451	Guidance concerning the location of fire control plans for the assistance of shoreside fire-fighting personnel	FP
350	MSC/Circ.526	Special fire protection requirements for large open multi-deck spaces (atrium)	FP
351	MSC/Circ.549	Guidelines for uniform interpretation of results of fire test procedure carried out in accordance with resolution A.653(16) "Recommendation on improved fire test procedures for surface flammability of bulkhead, ceiling and deck finish materials" and resolution A.687(17) "Fire test procedures for ignitability of primary deck coverings"	FP
352	MSC/Circ.550/ Rev.1	Recommendation on the release mechanism of carbon dioxide fire-extinguishing systems	FP
360	MSC/Circ.668	Alternative arrangements for halon fire-extinguishing systems in machinery spaces and pump-rooms	FP
362	MSC/Circ.670	Guidelines for the performance and testing criteria and surveys of high-expansion foam concentrates for fixed fire-extinguishing systems	FP
363	MSC/Circ.672	Measures to prevent explosions in oil tanker pump-rooms on new and existing oil tankers	FP
364	MSC/Circ.677	Revised Standards for the design, testing and locating of devices to prevent the passage of flame into cargo tanks in tankers, as amended by MSC/Circ.1009 and MSC.1/Circ.1324	FP
365	MSC/Circ.727	Recommendation on thermal radiation test supplement to fire resistance tests for "A", "B" and "F" class divisions	FP
366	MSC/Circ.728	Revised test method for equivalent water-based fire-extinguishing systems for machinery spaces of category A and cargo pump-rooms contained in MSC/Circ.668	FP
368	MSC/Circ.732	Interim guidelines on the test procedure for demonstrating the equivalence of composite materials to steel under the provisions of the 1974 SOLAS Convention	FP
369	MSC/Circ.774	Revised measures to prevent explosions in oil tanker cargo pump-rooms	FP
370	MSC/Circ.775	Ships with reduced halon quantities	FP
371	MSC/Circ.776	Guidelines for the approval of equivalent fixed gas fire-extinguishing, as referred to in SOLAS 74, for machinery spaces and cargo pump-rooms	FP
372	MSC/Circ.777	Indication of the "assembly stations" in passenger ships	FP
373	MSC/Circ.798	Guidelines for performance and testing criteria and surveys of medium expansion from concentrates for fixed fire-extinguishing systems	FP
374	MSC/Circ.800	Safety measures for deep-fat cooking equipment	FP
375	MSC/Circ.847	Interpretation of vague expressions and other vague wording in SOLAS chapter II-2	FP
376	MSC/Circ.848	Revised guidelines for the approval of equivalent fixed gas fire-extinguishing systems, as referred to in SOLAS chapter II-2, for machinery spaces and cargo pump-rooms, as amended by MSC.1/Circ.1267	FP
377	MSC/Circ.849	Guidelines for the performance, location, use and care of emergency breathing escape devices (EEBDs)	FP
378	MSC/Circ.850	Guidelines for the maintenance and inspection of fire protection systems and appliances	FP
379	MSC/Circ.851	Guidelines on engine-room oil fuel systems	FP
380	MSC/Circ.858	Documents of compliance with SOLAS regulation II-2/54	FP
381	MSC/Circ.909	Interim guidelines for a simplified evacuation analysis on ro-ro passenger ships	FP
382	MSC/Circ.910	Strength of ro-ro passenger ship "B" class bulkheads to which handrails are attached	FP
383	MSC/Circ.911	Interpretation of fire protection-related provisions of the HSC Code	FP
384	MSC/Circ.911/ Add.1	Addendum to the interpretations of the fire protection-related provisions of the HSC Code	FP
385	MSC/Circ.912	Interpretations of standards for fixed sprinkler systems for high-speed craft (resolution MSC.44(65))	FP
386	DELETED MSC/Circ.913	Guidelines for the approval of fixed water-based local application fire-fighting systems for use in category A machinery spaces	FP	See MSC.1/Circ.1387
387	MSC/Circ.915	Unified interpretation of vague expressions and other vague wording of SOLAS chapter II-2	FP
388	MSC/Circ.916	Interpretation of the International Code for the application of fire test procedures (FTP Code) and fire test procedures referred to in the Code	FP
389	MSC/Circ.917	Guidelines on fire safety construction in accommodation areas	FP
390	MSC/Circ.964	Interpretation of the International Code for the Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code	FP
391	MSC/Circ.965	Unified interpretation of vague expressions and other vague wording of SOLAS chapter II-2	FP
392	MSC/Circ.1002	Guidelines on alternative design and arrangements for fire safety	FP
393	MSC/Circ.1003	Guidelines on a simplified calculation for the total amount of combustible materials per unit area in accommodation and service spaces	FP
394	MSC/Circ.1004	Unified interpretations of the International Code for Application of Fire Test Procedure (FTP Code) and fire test procedures referred to in the Code	FP
395	MSC/Circ.1005	Unified interpretations of vague expressions and other vague wording of SOLAS chapter II-2	FP
396	MSC/Circ.1008	Revisions to interpretations of the International Code for Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code (MSC/Circ.916)	FP
397	MSC/Circ.1034	Guidelines for smoke control and ventilation systems for internal assembly stations and atriums on new passenger ships	FP
398	MSC/Circ.1035	Guidelines for the use and installation of detectors equivalent to smoke detectors	FP
399	MSC/Circ.1036	Unified Interpretations of the International Code for Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code	FP
400	MSC/Circ.1037	Unified interpretations of the revised SOLAS chapter II-2	FP
401	MSC/Circ.1045	Guidelines for maintenance and monitoring of onboard materials containing asbestos	FP
402	MSC/Circ.1081	Unified interpretations of the revised SOLAS chapter II-2	FP
403	MSC/Circ.1082	Unified interpretation of the Guidelines for the approval of fixed water-based local application fire-fighting systems (MSC/Circ.913)	FP
404	MSC/Circ.1083	Unified interpretation of SOLAS regulation II-2/15.2.11, in force before 1 July 2002	FP
405	MSC/Circ.1084	Principles for hot work on board all types of ships	FP
406	MSC/Circ.1085	Use of smoke helmet-type breathing apparatus	FP
407	MSC/Circ.1086	Code of practice for atmospheric oil mist detectors	FP
408	MSC/Circ.1120	Unified interpretation to SOLAS chapter II-2, the FS Code, the FTP Code and related fire test procedures	FP
409	DELETED MSC/Circ.1146	Lists of solid bulk cargoes for which a fixed gas fire extinguishing system may be exempted or for which a fixed gas fire-extinguishing system is ineffective	FP	See MSC.1/Circ.1395 Supersedes MSC/Circ.671
410	MSC/Circ.1165	Revised guidelines for the approval of equivalent water-based fire extinguishing systems for machinery spaces and cargo pump-rooms, as amended by MSC.1/Circ.1237 and MSC.1/Circ.1269 and MSC.1/Circ.1386	FP
411	MSC/Circ.1167	Functional requirements and performance standards for the assessment of evacuation guidance systems	FP
412	MSC/Circ.1169	Unified interpretations to SOLAS chapter II-2	FP
413	MSC/Circ.1170	Application of SOLAS regulation II-2/15 for lubricating oil and other flammable oil arrangements for ships built before 1 July 1998	FP
414	MSC.1/Circ.1187	Operational recommendations for passenger ships with cabin balconies	FP
415	MSC.1/Circ.1203	Unified interpretations to SOLAS chapter II-2 and the fire test procedures referred to in the FTP Code	FP
416	MSC.1/Circ.1204	Early application of amendments to SOLAS chapter II-2	FP
418	MSC.1/Circ.1238	Guidelines for evacuation analysis for new and existing passenger ships	FP	Supersedes MSC/Circ.1033
419	MSC.1/Circ.1239	Unified interpretations of SOLAS chapter II-2	FP
420	MSC.1/Circ.1240	Unified interpretations of the International Code for Fire Safety Systems (FSS Code)	FP
421	MSC.1/Circ.1241	Unified interpretations of the International Bulk Chemical (IBC) Code	FP
422	MSC.1/Circ.1242	Guidelines for the approval of fixed fire detection and fire alarm systems for cabin balconies	FP
423	MSC.1/Circ.1268	Guidelines for the approval of fixed pressure water-spraying and water-based fire-extinguishing systems for cabin balconies	FP
424	MSC.1/Circ.1270 and Corr.1	Revised Guidelines for the approval of fixed aerosol fire-extinguishing systems equivalent to fixed gas fire-extinguishing systems, as referred to in SOLAS 74, for machinery spaces	FP	Supersedes MSC/Circ.1007
425	DELETED MSC.1/Circ.1271	Guidelines for the approval of high-expansion foam using inside air for the protection of machinery spaces and cargo pump-rooms	FP	See MSC.1/Circ.1384
426	MSC.1/Circ.1272	Guidelines for the approval of fixed water-based fire-fighting systems for ro-ro spaces and special category spaces equivalent to that referred to in resolution A.123(V)	FP	Supersedes MSC/Circ.914
427	MSC.1/Circ.1273	Unified interpretations of the International Code for Application of Fire Test Procedures (FTP Code)	FP
428	MSC.1/Circ.1274	Guidelines for evaluation of fire risk of external areas on passenger ships	FP
429	MSC.1/Circ.1275	Unified interpretations of SOLAS chapter II-2 on the number and arrangement of portable fire extinguishers on board ships	FP
430	MSC.1/Circ.1276	Unified interpretations of SOLAS chapter II-2	FP
431	MSC.1/Circ.1312	Revised guidelines for the performance and testing criteria and surveys of foam concentrates for fixed fire-extinguishing systems	FP	Supersedes MSC/Circ.582 and Corr.1 and MSC/Circ.799, but type approval as per the aforementioned guidelines remain valid until 1 July 2012
432	MSC.1/Circ.1313	Guidance for application of chapters 4 to 7 and 9 of the FSS Code, as amended by resolutions MSC.206 (81) and MSC.217 (82)	FP
433	MSC.1/Circ.1314	Application of SOLAS regulation II-2/10 and chapter 12 of the FSS Code related to emergency fire pump capacity	FP
434	MSC.1/Circ.1315	Guidelines for the approval of fixed dry chemical powder fire-extinguishing systems for the protection of ship carrying liquefied gases in bulk	FP
435	MSC.1/Circ.1316	Guidelines on determining the no observed adverse effect level (NOAEL) and lowest observed adverse effect level (LOAEL) values for halocarbon fire-extinguishing agents	FP
436	MSC.1/Circ.1317	Application for existing approvals according to the revised guidelines for the approval of equivalent fixed gas fire-extinguishing systems, as referred to in SOLAS 74, for machinery spaces and cargo pump-rooms (MSC/Circ.848)	FP
437	MSC.1/Circ.1318	Guidelines for maintenance and inspections of fixed carbon dioxide fire-extinguishing systems	FP
438	MSC.1/Circ.1319	Recommendation for the evaluation of fire performance and approval of large fire doors	FP
439	MSC.1/Circ.1320	Guidelines for the drainage of fire-fighting water from closed vehicle and ro-ro spaces and special category spaces of passenger and cargo ships	FP
440	MSC.1/Circ.1321	Guidelines for measures to prevent fires in engine-rooms and cargo pump-rooms	FP
441	MSC.1/Circ.1322	Unified interpretations of SOLAS chapter II-2	FP
444	MSC/MEPC.2/ Circ.4	Early application of the amendments to the fire protection requirements of the IBC Code	FP
445	SLS.17/Circ.3	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP
446	SLS.17/Circ.3/ Add.1	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP
447	SLS.17/Circ.3/ Add.2	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP
	MSC.1/Circ.1368	Interim Clarifications of SOLAS chapter II-2 requirements regarding interrelation between the central control station, navigation bridge and safety centre	FP
	MSC.1/Circ.1369	Interim Explanatory Notes for the assessment of passenger ship systems' capabilities after a fire or flooding casualty	FP	Revokes MSC.1/Circ.1214
	MSC.1/Circ.1370	Guidelines for the design, construction and testing of fixed hydrocarbon gas detection systems	FP
	MSC.1/Circ.1384	Guidelines for testing and approval of fixed high-expansion foam systems	FP	Supersedes MSC.1/Circ.1271
	MSC.1/Circ.1385	Scientific methods on scaling of test volume for fire test on water mist fireextinguishing systems	FP
	MSC.1/Circ.1387	Revised Guidelines for the approval of fixed water-based local application fire-fighting systems for use in category A machinery spaces (MSC/Circ.913)	FP	Supersedes MSC/Circ.913
	MSC.1/Circ.1388	Unified interpretation of chapter 12 of the International Code for Fire Safety Systems	FP
	MSC.1/Circ.1407	Guidance for application of SOLAS regulation II-2/19.3	FP

IMO body FP

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
	A.123(V)	Recommendation on fixed fire-extinguishing systems for special cargo spaces	FP	See MSC.1/Circ.1430
	A.164(ES.IV)	Recommendation concerning checking the constancy of the properties of materials	FP
	A.470(XII)	International shore connection (shoreside)	FP
	A.471(XII)	Recommendation on test method for determining the resistance to flame of vertically supported textiles and films, as amended by A.563(14)	FP
	A.519(13)	Standards for devices to prevent the passage of flame into cargo tanks	FP
	A.565(14)	Recommended procedures to prevent the illegal or accidental use of low flashpoint cargo oil as fuel	FP
	A.567(14)	Regulation for inert gas systems on chemical tankers	FP	Supersedes A.473(XII)
	A.652(16)	Recommendation on fire test procedures for upholstered furniture	FP
	A.653(16)	Recommendation on improved fire test procedures for surface flammability of bulkhead, ceiling and deck finish materials	FP
	A.654(16)	Graphical symbols for fire control plans	FP
	A.655(16)	Use of halons as fire-extinguishing media on board ships	FP
	A.687(17)	Fire test procedures for ignitability of primary deck coverings	FP
	A.688(17)	Fire test procedures for ignitability of bedding components	FP
	A.752(18)	Guidelines for the evaluation, testing and application of low-location lighting on passenger ships	FP
	A.753(18)	Guidelines for the application of plastic pipes on ships, as amended by MSC.313(88)	FP
	A.754(18)	Recommendation on fire resistance tests for "A", "B" and "F" class divisions	FP
	A.756(18)	Guidelines on the information to be provided with fire control plans and booklets required by SOLAS regulations II-2/20 and 41-2	FP
	A.799(19)	Revised recommendation on test methods for qualifying marine construction materials as non-combustible	FP
	A.800(19)	Revised guidelines for approval of sprinkler systems equivalent to that referred to in SOLAS regulation II-2/12, as amended by MSC.265(84) and MSC.284(86)	FP
	A.951(23)	Improved guidelines for marine portable fire extinguishers	FP	Revokes A.602(15)
	A.952(23)	Graphical symbols for shipboard fire control plans	FP
	MSC.8(48)	Recommendations concerning fire safety requirements additional to those contained in chapter II-2 of the 1981 SOLAS amendments	FP
	MSC.40(64)	Standard for qualifying marine materials for high-speed craft as fire-restricting materials	FP
	MSC.41(64)	Interim standard for measuring smoke and toxic products of combustion	FP
	MSC.44(65)	Standards for fixed sprinkler systems for high-speed craft	FP
	MSC.45(65)	Test procedures for fire-resisting divisions of high-speed craft	FP
	MSC/Circ.581	Guidance for fire test procedures on smoke and toxic products generated by combustible material in fires	FP
	MSC/Circ.599	New halon installations as being of essential use	FP
	MSC/Circ.600	Annual leakage check of halon fire-extinguishing systems	FP
	MSC/Circ.601	Fire protection in machinery spaces	FP
	MSC/Circ.602	Materials used for bulkheads in accommodation spaces defined in regulation II-2/3.10 of the 1974 SOLAS Convention	FP
	MSC/Circ.451	Guidance concerning the location of fire control plans for the assistance of shoreside fire-fighting personnel	FP
	MSC/Circ.526	Special fire protection requirements for large open multi-deck spaces (atrium)	FP
	MSC/Circ.549	Guidelines for uniform interpretation of results of fire test procedure carried out in accordance with resolution A.653(16) "Recommendation on improved fire test procedures for surface flammability of bulkhead, ceiling and deck finish materials" and resolution A.687(17) "Fire test procedures for ignitability of primary deck coverings"	FP
	MSC/Circ.550/ Rev.1	Recommendation on the release mechanism of carbon dioxide fire-extinguishing systems	FP
	MSC/Circ.668	Alternative arrangements for halon fire-extinguishing systems in machinery spaces and pump-rooms	FP
	MSC/Circ.670	Guidelines for the performance and testing criteria and surveys of high-expansion foam concentrates for fixed fire-extinguishing systems	FP
	MSC/Circ.672	Measures to prevent explosions in oil tanker pump-rooms on new and existing oil tankers	FP
	MSC/Circ.677	Revised Standards for the design, testing and locating of devices to prevent the passage of flame into cargo tanks in tankers, as amended by MSC/Circ.1009 and MSC.1/Circ.1324	FP
	MSC/Circ.727	Recommendation on thermal radiation test supplement to fire resistance tests for "A", "B" and "F" class divisions	FP
	MSC/Circ.728	Revised test method for equivalent water-based fire-extinguishing systems for machinery spaces of category A and cargo pump-rooms contained in MSC/Circ.668	FP
	MSC/Circ.732	Interim guidelines on the test procedure for demonstrating the equivalence of composite materials to steel under the provisions of the 1974 SOLAS Convention	FP
	MSC/Circ.774	Revised measures to prevent explosions in oil tanker cargo pump-rooms	FP
	MSC/Circ.775	Ships with reduced halon quantities	FP
	MSC/Circ.776	Guidelines for the approval of equivalent fixed gas fire-extinguishing, as referred to in SOLAS 74, for machinery spaces and cargo pump-rooms	FP
	MSC/Circ.777	Indication of the "assembly stations" in passenger ships	FP
	MSC/Circ.798	Guidelines for performance and testing criteria and surveys of medium expansion from concentrates for fixed fire-extinguishing systems	FP
	MSC/Circ.800	Safety measures for deep-fat cooking equipment	FP
	MSC/Circ.847	Interpretation of vague expressions and other vague wording in SOLAS chapter II-2	FP
	MSC/Circ.848	Revised guidelines for the approval of equivalent fixed gas fire-extinguishing systems, as referred to in SOLAS chapter II-2, for machinery spaces and cargo pump-rooms, as amended by MSC.1/Circ.1267	FP
	MSC/Circ.849	Guidelines for the performance, location, use and care of emergency breathing escape devices (EEBDs)	FP
	DELETED MSC/Circ.850	Guidelines for the maintenance and inspection of fire protection systems and appliances	FP	Superseded by MSC.1/Circ.1432
	MSC/Circ.851	Guidelines on engine-room oil fuel systems	FP
	MSC/Circ.858	Documents of compliance with SOLAS regulation II-2/54	FP
	MSC/Circ.909	Interim guidelines for a simplified evacuation analysis on ro-ro passenger ships	FP
	MSC/Circ.910	Strength of ro-ro passenger ship "B" class bulkheads to which handrails are attached	FP
	MSC/Circ.911	Interpretation of fire protection-related provisions of the HSC Code	FP
	MSC/Circ.911/ Add.1	Addendum to the interpretations of the fire protection-related provisions of the HSC Code	FP
	MSC/Circ.912	Interpretations of standards for fixed sprinkler systems for high-speed craft (resolution MSC.44(65))	FP
	MSC/Circ.915	Unified interpretation of vague expressions and other vague wording of SOLAS chapter II-2	FP
	MSC/Circ.916	Interpretation of the International Code for the application of fire test procedures (FTP Code) and fire test procedures referred to in the Code	FP
	MSC/Circ.917	Guidelines on fire safety construction in accommodation areas	FP
	MSC/Circ.964	Interpretation of the International Code for the Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code	FP
	MSC/Circ.965	Unified interpretation of vague expressions and other vague wording of SOLAS chapter II-2	FP
	MSC/Circ.1002	Guidelines on alternative design and arrangements for fire safety	FP
	MSC/Circ.1003	Guidelines on a simplified calculation for the total amount of combustible materials per unit area in accommodation and service spaces	FP
	MSC/Circ.1004	Unified interpretations of the International Code for Application of Fire Test Procedure (FTP Code) and fire test procedures referred to in the Code	FP
	MSC/Circ.1005	Unified interpretations of vague expressions and other vague wording of SOLAS chapter II-2	FP
	MSC/Circ.1008	Revisions to interpretations of the International Code for Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code (MSC/Circ.916)	FP
	MSC/Circ.1034	Guidelines for smoke control and ventilation systems for internal assembly stations and atriums on new passenger ships	FP
	MSC/Circ.1035	Guidelines for the use and installation of detectors equivalent to smoke detectors	FP
	MSC/Circ.1036	Unified Interpretations of the International Code for Application of Fire Test Procedures (FTP Code) and fire test procedures referred to in the Code	FP
	MSC/Circ.1037	Unified interpretations of the revised SOLAS chapter II-2	FP
	MSC/Circ.1045	Guidelines for maintenance and monitoring of onboard materials containing asbestos	FP
	MSC/Circ.1081	Unified interpretations of the revised SOLAS chapter II-2	FP
	MSC/Circ.1082	Unified interpretation of the Guidelines for the approval of fixed water-based local application fire-fighting systems (MSC/Circ.913)	FP
	MSC/Circ.1083	Unified interpretation of SOLAS regulation II-2/15.2.11, in force before 1 July 2002	FP
	MSC/Circ.1084	Principles for hot work on board all types of ships	FP
	MSC/Circ.1085	Use of smoke helmet-type breathing apparatus	FP
	MSC/Circ.1086	Code of practice for atmospheric oil mist detectors	FP
	MSC/Circ.1120	Unified interpretation to SOLAS chapter II-2, the FS Code, the FTP Code and related fire test procedures, as amended by MSC.1/Circ.1436	FP
	MSC/Circ.1165	Revised guidelines for the approval of equivalent water-based fire extinguishing systems for machinery spaces and cargo pump-rooms, as amended by MSC.1/Circ.1237 and MSC.1/Circ.1269 and MSC.1/Circ.1386	FP
	MSC/Circ.1167	Functional requirements and performance standards for the assessment of evacuation guidance systems	FP
	MSC/Circ.1169	Unified interpretations to SOLAS chapter II-2	FP
	MSC/Circ.1170	Application of SOLAS regulation II-2/15 for lubricating oil and other flammable oil arrangements for ships built before 1 July 1998	FP
	MSC.1/Circ.1187	Operational recommendations for passenger ships with cabin balconies	FP
	MSC.1/Circ.1203	Unified interpretations to SOLAS chapter II-2 and the fire test procedures referred to in the FTP Code	FP
	MSC.1/Circ.1204	Early application of amendments to SOLAS chapter II-2	FP
	MSC.1/Circ.1238	Guidelines for evacuation analysis for new and existing passenger ships	FP	Supersedes MSC/Circ.1033
	MSC.1/Circ.1239	Unified interpretations of SOLAS chapter II-2	FP
	MSC.1/Circ.1240	Unified interpretations of the International Code for Fire Safety Systems (FSS Code)	FP
	MSC.1/Circ.1241	Unified interpretations of the International Bulk Chemical (IBC) Code	FP
	MSC.1/Circ.1242	Guidelines for the approval of fixed fire detection and fire alarm systems for cabin balconies	FP
	MSC.1/Circ.1268	Guidelines for the approval of fixed pressure water-spraying and water-based fire-extinguishing systems for cabin balconies	FP
	MSC.1/Circ.1270 and Corr.1	Revised Guidelines for the approval of fixed aerosol fire-extinguishing systems equivalent to fixed gas fire-extinguishing systems, as referred to in SOLAS 74, for machinery spaces	FP	Supersedes MSC/Circ.1007
	DELETED MSC.1/Circ.1272	Guidelines for the approval of fixed water-based fire-fighting systems for ro-ro spaces and special category spaces equivalent to that referred to in resolution A.123(V)	FP	Superseded by MSC.1/Circ.1430 Supersedes MSC/Circ.914
	MSC.1/Circ.1273	Unified interpretations of the International Code for Application of Fire Test Procedures (FTP Code)	FP
	MSC.1/Circ.1274	Guidelines for evaluation of fire risk of external areas on passenger ships	FP
	MSC.1/Circ.1275	Unified interpretations of SOLAS chapter II-2 on the number and arrangement of portable fire extinguishers on board ships	FP
	MSC.1/Circ.1276	Unified interpretations of SOLAS chapter II-2	FP
	MSC.1/Circ.1312	Revised guidelines for the performance and testing criteria and surveys of foam concentrates for fixed fire-extinguishing systems	FP	Supersedes MSC/Circ.582 and Corr.1 and MSC/Circ.799, but type approval as per the aforementioned guidelines remain valid until 1 July 2012
	MSC.1/Circ.1313	Guidance for application of chapters 4 to 7 and 9 of the FSS Code, as amended by resolutions MSC.206 (81) and MSC.217 (82)	FP
	MSC.1/Circ.1314	Application of SOLAS regulation II-2/10 and chapter 12 of the FSS Code related to emergency fire pump capacity	FP
	MSC.1/Circ.1315	Guidelines for the approval of fixed dry chemical powder fire-extinguishing systems for the protection of ship carrying liquefied gases in bulk	FP
	MSC.1/Circ.1316	Guidelines on determining the no observed adverse effect level (NOAEL) and lowest observed adverse effect level (LOAEL) values for halocarbon fire-extinguishing agents	FP
	MSC.1/Circ.1317	Application for existing approvals according to the revised guidelines for the approval of equivalent fixed gas fire-extinguishing systems, as referred to in SOLAS 74, for machinery spaces and cargo pump-rooms (MSC/Circ.848)	FP
	MSC.1/Circ.1318	Guidelines for maintenance and inspections of fixed carbon dioxide fire-extinguishing systems	FP
	MSC.1/Circ.1319	Recommendation for the evaluation of fire performance and approval of large fire doors	FP
	MSC.1/Circ.1320	Guidelines for the drainage of fire-fighting water from closed vehicle and ro-ro spaces and special category spaces of passenger and cargo ships	FP
	MSC.1/Circ.1321	Guidelines for measures to prevent fires in engine-rooms and cargo pump-rooms	FP
	MSC.1/Circ.1322	Unified interpretations of SOLAS chapter II-2	FP
	MSC.1/Circ.1368	Interim Clarifications of SOLAS chapter II-2 requirements regarding interrelation between the central control station, navigation bridge and safety centre	FP
	MSC.1/Circ.1369	Interim Explanatory Notes for the assessment of passenger ship systems' capabilities after a fire or flooding casualty	FP	Revokes MSC.1/Circ.1214
	MSC.1/Circ.1370	Guidelines for the design, construction and testing of fixed hydrocarbon gas detection systems	FP
	MSC.1/Circ.1384	Guidelines for testing and approval of fixed high-expansion foam systems	FP	Supersedes MSC.1/Circ.1271
	MSC.1/Circ.1385	Scientific methods on scaling of test volume for fire test on water mist fireextinguishing systems	FP
	MSC.1/Circ.1387	Revised Guidelines for the approval of fixed water-based local application fire-fighting systems for use in category A machinery spaces (MSC/Circ.913)	FP	Supersedes MSC/Circ.913
	MSC.1/Circ.1388	Unified interpretation of chapter 12 of the International Code for Fire Safety Systems	FP
	MSC.1/Circ.1407	Guidance for application of SOLAS regulation II-2/19.3	FP
	MSC.1/Circ.1430	Revised Guidelines for the design and approval of fixed water-based fire-fighting systems for ro-ro spaces and special category spaces	FP	Supersedes MSC.1/Circ.1272, except that fire and component tests previously conducted remain valid
	MSC.1/Circ.1431	Guidelines for the approval of helicopter facility foam fire-fighting appliances	FP
	MSC.1/Circ.1432	Revised Guidelines for the maintenance and inspection of fire protection systems and appliances	FP	Supersedes MSC/Circ.850
	MSC.1/Circ.1433	Unified Interpretation of SOLAS regulation II-2/10.6.4 and chapter 9 of theFSS Code	FP
	MSC.1/Circ.1434	Unified interpretations of SOLAS chapter II-2	FP	Regs. II-2/3.2.3, 5.2.1.1, 19.3.4 and 20.3.1.4.1
	MSC.1/Circ.1435	Unified interpretations of the FTP Code	FP	Part 3, appendix 1
	MSC.1/Circ.1437	Unified interpretations of SOLAS regulation II-2/21.4	FP	To be used in conjunction with the interim explanatory notes for the assessment of passenger ship systems' capabilities after a fire or flooding casualty (MSC.1/Circ.1369)
	MSC/MEPC.2/ Circ.4	Early application of the amendments to the fire protection requirements of the IBC Code	FP
	SLS.17/Circ.3	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP
	SLS.17/Circ.3/ Add.1	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP
	SLS.17/Circ.3/ Add.2	Interim recommendations and interpretations of chapter II-2 of the 1981/83 SOLAS Amendments	FP

IMO body FP/BLG

No.	Instrument	Name	IMO body	Remarks
345	MSC/Circ.329	Application of requirements for inert gas systems for oil tankers	FP/BLG
346	MSC/Circ.347	Danger of the use of low flashpoint cargo as fuel	FP/BLG
347	MSC/Circ.353	Revised guidelines for inert gas systems, as amended by MSC/Circ.387	FP/BLG
349	MSC/Circ.485	Clarification of inert gas system requirements under SOLAS 1974, as amended	FP/BLG
451	MSC/Circ.528	Fire protecting systems for cargo compressor and pump-rooms for gas carriers covered by the Code	FP/BLG
443	MSC-MEPC.1/Circ.3	Decreasing availability of halons for marine uses	FP/BLG

IMO body FP/DE

No.	Instrument	Name	IMO body	Remarks
359	MSC/Circ.647	Guidelines to minimize leakage from flammable liquid systems	FP/DE
361	MSC/Circ.669	Interpretations of SOLAS chapter II-2 as amended by resolution MSC.27(61)	FP/DE
367	MSC/Circ.729	Design guidelines and operational recommendations for ventilation systems in ro-ro cargo spaces	FP/DE
448	A.690(17)	Periodical inspections of abandon ship and fire drills on passenger ships	FP/DE
449	A.691(17)	Safety instructions to passengers	FP/DE
450	A.757(18)	Standards for the calculation of the width of stairways forming means of escape on passenger ships	FP/DE
452	MSC/Circ.677	Revised standards for the design, testing and locating of devices to prevent the passage of flame into cargo tanks in tankers, as amended by MSC/Circ.1009	FP/DE
453	MSC/Circ.730	Recommendations for ventilation or inerting of double-hull spaces	FP/DE
454	MSC/Circ.731	Revised factors to be taken into consideration when designing cargo tank venting and gas-freeing arrangements	FP/DE
455	MSC/Circ.1006	Guidelines on fire test procedures for acceptance of fire-retardant materials for the construction of lifeboats	FP/DE
456	MSC/Circ.1050	Shipboard plans for fire protection appliances, life-saving appliances and means of escape	FP/DE
457	MSC/Circ.1166	Guidelines for a simplified evacuation analysis for high-speed passenger craft	FP/DE
458	MSC/Circ.1168	Interim guidelines for the testing, approval and maintenance of evacuation guidance systems used as an alternative to low-location lighting systems	FP/DE

IMO body FP/DSC

No.	Instrument	Name	IMO body	Remarks
353	MSC/Circ.553	Information on flashpoint and recommended fire-fighting media for chemicals to which neither the IBC nor the BCH Code apply	FP/DSC

IMO body FP/MSC

No.	Instrument	Name	IMO body	Remarks
442	MSC.1/Circ.1282	Application of the amended SOLAS regulations II-2/3, XII/12 and XII/13	FP/MSC

IMO body FP/SLF

No.	Instrument	Name	IMO body	Remarks
417	MSC.1/Circ.1234	Drainage of fire-fighting water from enclosed vehicle and ro-ro spaces and special category for passenger and cargo ships	FP/SLF

IMO body FSI

No.	Instrument	Name	IMO body	Remarks
459	A.441(XI)	Control by the flag State over the owner of a ship	FSI
460	A.561(14)	Translation of the text of certificates	FSI
461	A.745(18)	Early implementation of the Harmonized System of Survey and Certification (HSSC)	FSI
462	A.787(19)	Procedures for port State control, as amended by A.882(21)	FSI
463	A.849(20)	Code for the investigation of marine casualties and incidents, as amended by A.884(21)	FSI
464	MSC.255(84)	Code of the International Standards and Recommended Practices for a Safety Investigation into a Marine Casualty or Marine Incident (Non-mandatory only in Part III of the Code )	FSI
465	A.883(21)	Global and uniform implementation of the Harmonized System of Survey and Certification (HSSC)	FSI
466	A.912(22)	Self-assessment of flag State performance	FSI	Revokes A.881(21)
467	A.914(22)	Measures to further strengthen flag State implementation	FSI
468	A.996(25)	Code for the implementation of mandatory IMO instruments, 2007, as amended by A.1019(26)	FSI	Revokes A.973(24)
469	A.997(25)	Survey guidelines under the harmonized system of survey and certification, 2007, as amended by A.1020(26)	FSI	1) Revokes A.948(23) 2) A.560(14) and A.746(18) overtaken by time
470	A.1003(25)	Entry into force and implementation of the 1993 Torremolinos Protocol	FSI
471	MSC.108(73)	Recommendation on compliance with the requirements of paragraph 2.2.1.1 of Annex 12 to Annex B to resolution A.744 (18)	FSI
472	MSC/Circ.455	Language problems in presenting operating and emergency instructions on board ships	FSI
473	MSC/Circ.606	Port State concurrence with SOLAS exemptions	FSI
474	MSC/Circ.710	Model agreement for the authorization of recognized organizations acting on behalf of the Administration	FSI
475	MSC/Circ.762	Implementation of the ISM Code - Guidance to companies operating multi-flagged fleets and supplementary guidelines to Administrations	FSI
476	MSC/Circ.788	Authorization of recognized organizations acting on behalf of Administrations	FSI
477	MSC/Circ.889	Self-assessment of flag State performance	FSI
478	MSC/Circ.890	Interim guidelines for port State control related to the ISM Code	FSI
479	MSC/Circ.954 MEPC/Circ.373	Self-assessment of flag State performance: criteria and performance indicators	FSI
480	MSC/Circ.955	Servicing of life-saving appliances and radiocommunication equipment under the Harmonized System of Survey and Certification (HSSC)	FSI
481	MSC/Circ.956	Guidelines for unscheduled inspections of ro-ro passenger ships by flag States	FSI
482	MSC/Circ.994 MEPC/Circ.381	The beneficial impact of ISM Code and its role as an indicator of safe operation and environmental protection	FSI
483	MSC/Circ.1010 MEPC/Circ.382	Communication of information on authorization of recognized organizations (ROs)	FSI
484	MSC/Circ.1011 MEPC/Circ.383	Measures to improve port State control procedures	FSI
485	MSC/Circ.1012	Endorsement of certificates with the date of completion of the survey on which they are based	FSI
486	MSC/Circ.1015	Reporting near misses	FSI
487	MSC/Circ.1113	Guidance to port State control officers on the non-security related elements of the 2002 SOLAS amendments	FSI
488	MSC/Circ.1140 MEPC/Circ.424	Transfer of ships between States	FSI
489	MSC/Circ.1142 MEPC/Circ.425	Marking the ship's plans, manuals and other documents with the IMO ship identification number	FSI
490	MSC/Circ.1150	Provision of information on the implementation of codes, recommendations, guidelines and other non-mandatory instruments	FSI
491	MSC-MEPC.3/Circ.1	Revised harmonized reporting procedures - Reports required under SOLAS regulation I/21 and MARPOL 73/78, articles 8 and 12	FSI
492	MSC-MEPC.4/Circ.1	Retention of original records/documents on board ships	FSI
493	MSC-MEPC.5/Circ.1	Recommended conditions for extending the period of validity of a certificate	FSI
494	MSC-MEPC.5/Circ.2	Guidelines for Administrations to ensure the adequacy of transfer of class-related matters between recognized organizations (ROs)	FSI
495	MSC-MEPC.5/Circ.3	Unified interpretation of the date of completion of the survey and verification on which the certificates are based	FSI
496	PSLS.2/Circ.7	Revalidation of certificates issued under the 1974 SOLAS convention as modified by the 1978 SOLAS Protocol	FSI
497	PSLS.2/Circ.8	Identification of "new" and "existing" ships under the 1978 SOLAS Protocol and procedure to be followed when completing Supplements	FSI
498	SLS.14/Circ.115/ Add.1, Add.2 and Add.3	Issue of Exemption Certificates under the 1974 SOLAS Convention and amendments thereto	FSI
504	MSC.1/Circ.1221	Validity of Type Approval Certification for Marine Products	FSI
505	MSC.1/Circ.1223	Guidelines for pre-planning of surveys in dry-dock of ships which are not subject to the Enhanced programme of inspections	FSI
506	MSC.1/Circ.1252	Annual testing of the automatic identification system (AIS)	FSI
507	MSC.1/Circ.1290	Unified interpretation of the term "first survey" referred to in SOLAS regulations	FSI	Supersedes MSC/Circ.1141

IMO body FSI

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
459	A.441(XI)	Control by the flag State over the owner of a ship	FSI
460	A.561(14)	Translation of the text of certificates	FSI
461	A.745(18)	Early implementation of the Harmonized System of Survey and Certification (HSSC)	FSI
462	A.787(19)	Procedures for port State control, as amended by A.882(21)	FSI
463	A.849(20)	Code for the investigation of marine casualties and incidents, as amended by A.884(21)	FSI
464	MSC.255(84)	Code of the International Standards and Recommended Practices for a Safety Investigation into a Marine Casualty or Marine Incident (Non-mandatory only in Part III of the Code )	FSI
465	A.883(21)	Global and uniform implementation of the Harmonized System of Survey and Certification (HSSC)	FSI
466	A.912(22)	Self-assessment of flag State performance	FSI	Revokes A.881(21)
467	A.914(22)	Measures to further strengthen flag State implementation	FSI
468	A.996(25)	Code for the implementation of mandatory IMO instruments, 2007, as amended by A.1019(26)	FSI	Revokes A.973(24)
469	A.997(25)	Survey guidelines under the harmonized system of survey and certification, 2007, as amended by A.1020(26)	FSI	1) Revokes A.948(23) 2) A.560(14) and A.746(18) overtaken by time
470	A.1003(25)	Entry into force and implementation of the 1993 Torremolinos Protocol	FSI
471	MSC.108(73)	Recommendation on compliance with the requirements of paragraph 2.2.1.1 of Annex 12 to Annex B to resolution A.744 (18)	FSI
472	MSC/Circ.455	Language problems in presenting operating and emergency instructions on board ships	FSI
473	MSC/Circ.606	Port State concurrence with SOLAS exemptions	FSI
474	MSC/Circ.710	Model agreement for the authorization of recognized organizations acting on behalf of the Administration	FSI
475	MSC/Circ.762	Implementation of the ISM Code - Guidance to companies operating multi-flagged fleets and supplementary guidelines to Administrations	FSI
476	MSC/Circ.788	Authorization of recognized organizations acting on behalf of Administrations	FSI
477	MSC/Circ.889	Self-assessment of flag State performance	FSI
478	MSC/Circ.890	Interim guidelines for port State control related to the ISM Code	FSI
479	MSC/Circ.954 MEPC/Circ.373	Self-assessment of flag State performance: criteria and performance indicators	FSI
480	MSC/Circ.955	Servicing of life-saving appliances and radiocommunication equipment under the Harmonized System of Survey and Certification (HSSC)	FSI
481	MSC/Circ.956	Guidelines for unscheduled inspections of ro-ro passenger ships by flag States	FSI
482	MSC/Circ.994 MEPC/Circ.381	The beneficial impact of ISM Code and its role as an indicator of safe operation and environmental protection	FSI
483	MSC/Circ.1010 MEPC/Circ.382	Communication of information on authorization of recognized organizations (ROs)	FSI
484	MSC/Circ.1011 MEPC/Circ.383	Measures to improve port State control procedures	FSI
485	MSC/Circ.1012	Endorsement of certificates with the date of completion of the survey on which they are based	FSI
486	MSC/Circ.1015	Reporting near misses	FSI
487	MSC/Circ.1113	Guidance to port State control officers on the non-security related elements of the 2002 SOLAS amendments	FSI
488	MSC/Circ.1140 MEPC/Circ.424	Transfer of ships between States	FSI
489	MSC/Circ.1142 MEPC/Circ.425	Marking the ship's plans, manuals and other documents with the IMO ship identification number	FSI
490	MSC/Circ.1150	Provision of information on the implementation of codes, recommendations, guidelines and other non-mandatory instruments	FSI
491	MSC-MEPC.3/Circ.1	Revised harmonized reporting procedures - Reports required under SOLAS regulation I/21 and MARPOL 73/78, articles 8 and 12	FSI
492	MSC-MEPC.4/Circ.1	Retention of original records/documents on board ships	FSI
493	MSC-MEPC.5/Circ.1	Recommended conditions for extending the period of validity of a certificate	FSI
494	MSC-MEPC.5/Circ.2	Guidelines for Administrations to ensure the adequacy of transfer of class-related matters between recognized organizations (ROs)	FSI
495	MSC-MEPC.5/Circ.3	Unified interpretation of the date of completion of the survey and verification on which the certificates are based	FSI
496	PSLS.2/Circ.7	Revalidation of certificates issued under the 1974 SOLAS convention as modified by the 1978 SOLAS Protocol	FSI
497	PSLS.2/Circ.8	Identification of "new" and "existing" ships under the 1978 SOLAS Protocol and procedure to be followed when completing Supplements	FSI
498	SLS.14/Circ.115/ Add.1, Add.2 and Add.3	Issue of Exemption Certificates under the 1974 SOLAS Convention and amendments thereto	FSI
504	MSC.1/Circ.1221	Validity of Type Approval Certification for Marine Products	FSI
505	MSC.1/Circ.1223	Guidelines for pre-planning of surveys in dry-dock of ships which are not subject to the Enhanced programme of inspections	FSI
506	MSC.1/Circ.1252	Annual testing of the automatic identification system (AIS)	FSI
507	MSC.1/Circ.1290	Unified interpretation of the term "first survey" referred to in SOLAS regulations	FSI	Supersedes MSC/Circ.1141
	MSC.1/Circ.1402	Safety of pilot transfer arrangements	FSI
	MSC-MEPC.2/Circ.9	Guidance for the application of safety, security and environmental protectionprovisions to FPSOs and FSUs	FSI

IMO body FSI

The amendments shows additions or changes to MSC.1/Circ.1371

	Instrument	Name	IMO body	Remarks
	A.441(XI)	Control by the flag State over the owner of a ship	FSI
	A.561(14)	Translation of the text of certificates	FSI
	A.745(18)	Early implementation of the Harmonized System of Survey and Certification (HSSC)	FSI
	DELETED A.787(19)	Procedures for port State control, as amended by A.882(21)	FSI	Revoked by A.1052(27)
	A.849(20)	Code for the investigation of marine casualties and incidents, as amended by A.884(21)	FSI
	A.883(21)	Global and uniform implementation of the Harmonized System of Survey and Certification (HSSC)	FSI
	A.912(22)	Self-assessment of flag State performance	FSI	Revokes A.881(21)
	A.914(22)	Measures to further strengthen flag State implementation	FSI
	DELETED A.996(25)	Code for the implementation of mandatory IMO instruments, 2007, as amended by A.1019(26)	FSI	Revoked by A.1054(27) Revokes A.973(24)
	DELETED A.997(25)	Survey guidelines under the harmonized system of survey and certification, 2007, as amended by A.1020(26)	FSI	Revoked by A.1053(27) 1) Revokes A.948(23) 2) A.560(14) and A.746(18) overtaken by time
	A.1003(25)	Entry into force and implementation of the 1993 Torremolinos Protocol	FSI
	A.1052(27)	Procedures for port State control, 2011	FSI	Revokes A.787(19) and A.882(21)
	A.1053(27)	Survey guidelines under the Harmonized System of Survey and Certification (HSSC), 2011	FSI	Revokes A.997(25), A.1020(26) and MEPC.180(59)
	A.1054(27)	Code for the implementation of mandatory IMO instruments, 2011	FSI	Revokes A.996(25) and A.1019(26)
	MSC.108(73)	Recommendation on compliance with the requirements of paragraph 2.2.1.1 of Annex 12 to Annex B to resolution A.744 (18)	FSI
	MSC.255(84)	Code of the International Standards and Recommended Practices for a Safety Investigation into a Marine Casualty or Marine Incident (Non-mandatory only in Part III of the Code )	FSI
	MSC/Circ.455	Language problems in presenting operating and emergency instructions on board ships	FSI
	MSC/Circ.606	Port State concurrence with SOLAS exemptions	FSI
	MSC/Circ.710	Model agreement for the authorization of recognized organizations acting on behalf of the Administration	FSI
	MSC/Circ.762	Implementation of the ISM Code - Guidance to companies operating multi-flagged fleets and supplementary guidelines to Administrations	FSI
	MSC/Circ.788	Authorization of recognized organizations acting on behalf of Administrations	FSI
	MSC/Circ.889	Self-assessment of flag State performance	FSI
	MSC/Circ.890	Interim guidelines for port State control related to the ISM Code	FSI
	MSC/Circ.954 MEPC/Circ.373	Self-assessment of flag State performance: criteria and performance indicators	FSI
	MSC/Circ.955	Servicing of life-saving appliances and radiocommunication equipment under the Harmonized System of Survey and Certification (HSSC)	FSI
	MSC/Circ.956	Guidelines for unscheduled inspections of ro-ro passenger ships by flag States	FSI
	MSC/Circ.994 MEPC/Circ.381	The beneficial impact of ISM Code and its role as an indicator of safe operation and environmental protection	FSI
	MSC/Circ.1010 MEPC/Circ.382	Communication of information on authorization of recognized organizations (ROs)	FSI
	MSC/Circ.1011 MEPC/Circ.383	Measures to improve port State control procedures	FSI
	MSC/Circ.1012	Endorsement of certificates with the date of completion of the survey on which they are based	FSI
	MSC/Circ.1015	Reporting near misses	FSI
	MSC/Circ.1113	Guidance to port State control officers on the non-security related elements of the 2002 SOLAS amendments	FSI
	MSC/Circ.1140 MEPC/Circ.424	Transfer of ships between States	FSI
	MSC/Circ.1142 MEPC/Circ.425	Marking the ship's plans, manuals and other documents with the IMO ship identification number	FSI
	MSC/Circ.1150	Provision of information on the implementation of codes, recommendations, guidelines and other non-mandatory instruments	FSI
	MSC-MEPC.3/Circ.1	Revised harmonized reporting procedures - Reports required under SOLAS regulation I/21 and MARPOL 73/78, articles 8 and 12	FSI
	MSC-MEPC.4/Circ.1	Retention of original records/documents on board ships	FSI
	MSC-MEPC.5/Circ.1	Recommended conditions for extending the period of validity of a certificate	FSI
	MSC-MEPC.5/Circ.2	Guidelines for Administrations to ensure the adequacy of transfer of class-related matters between recognized organizations (ROs)	FSI
	MSC-MEPC.5/Circ.3	Unified interpretation of the date of completion of the survey and verification on which the certificates are based	FSI
	MSC.1/Circ.1221	Validity of Type Approval Certification for Marine Products	FSI
	MSC.1/Circ.1223	Guidelines for pre-planning of surveys in dry-dock of ships which are not subject to the Enhanced programme of inspections	FSI
	MSC.1/Circ.1252	Annual testing of the automatic identification system (AIS)	FSI
	MSC.1/Circ.1290	Unified interpretation of the term "first survey" referred to in SOLAS regulations	FSI	Supersedes MSC/Circ.1141
	MSC.1/Circ.1402	Safety of pilot transfer arrangements	FSI
	MSC.1/Circ.1445	Clarification of the term "first scheduled dry-docking" as contained in SOLAS regulation III/1.5, as amended by resolution MSC.317(89)	FSI
	MSC-MEPC.2/Circ.9	Guidance for the application of safety, security and environmental protection provisions to FPSOs and FSUs	FSI
	MSC-MEPC.5/Circ.6	Guidance on the timing of replacement of existing certificates by the certificates issued after the entry into force of amendments to certificates in IMO instruments	FSI
	PSLS.2/Circ.7	Revalidation of certificates issued under the 1974 SOLAS convention as modified by the 1978 SOLAS Protocol	FSI
	PSLS.2/Circ.8	Identification of "new" and "existing" ships under the 1978 SOLAS Protocol and procedure to be followed when completing Supplements	FSI
	SLS.14/Circ.115/ Add.1, Add.2 and Add.3	Issue of Exemption Certificates under the 1974 SOLAS Convention and amendments thereto	FSI

IMO body FSI/DE

No.	Instrument	Name	IMO body	Remarks
499	A.794(19)	Surveys and inspections of ro-ro passenger ships	FSI/DE
503	MSC.1/Circ.1206	Measures to prevent accidents with lifeboats	FSI/DE
509	MSC/Circ.454	Certification of existing mobile offshore drilling units (MODU Code)	FSI/DE
510	MSC/Circ.655	Guidance for planning the enhanced programme of inspections during surveys of bulk carriers and oil tankers	FSI/DE
511	MSC/Circ.696	Thorough examination of the cargo lifting plant of ships	FSI/DE
515	MSC/Circ.1049	Accidents with lifeboats	FSI/DE

IMO body FSI/FP

No.	Instrument	Name	IMO body	Remarks
516	MSC/Circ.1084	Principles for hot work on board all types of ships	FSI/FP

IMO body FSI/MSC

No.	Instrument	Name	IMO body	Remarks
500	A.923(22)	Measures to prevent the registration of "phantom" ships	FSI/MSC
502	MSC.159(78)	Interim Guidance on control and compliance measures to enhance maritime security	FSI/MSC
517	MSC.1/Circ.1191	Reminder of the obligation to notify flag States when exercising control and compliance measures	FSI/MSC

IMO body FSI/NAV

No.	Instrument	Name	IMO body	Remarks
518	MSC-MEPC.2/Circ.2	IMO requirements on carriage of publications on board ships	FSI/NAV

IMO body FSI/STW

No.	Instrument	Name	IMO body	Remarks
501	A.987(24)	Guidelines on fair treatment of seafarers in the event of a maritime accident	FSI/STW
508	MSC-MEPC.2/Circ.3	Guidelines on the basic elements of a shipboard occupational health and safety programme	FSI/STW
512	MSC/Circ.918	Guidance for port State control officers in respect of certificates of competency issued under the provision of the STCW Convention	FSI/STW
513	MSC/Circ.1030	Guidance for port State control officers on issues related to certificates of competency	FSI/STW
514	MSC/Circ.1032	Guidance for port State control officers on references to STCW 95 in certificates, endorsements and documentary evidence	FSI/STW

IMO body MSC

No.	Instrument	Name	IMO body	Remarks
519	A.545(13)	Measures to prevent acts of piracy and armed robbery against ships	MSC
520	A.584(14)	Measures to prevent unlawful acts which threaten the safety of ships and the security of their passengers and crews	MSC
521	A.683(17)	Prevention and suppression of acts of piracy and armed robbery against ships	MSC
523	A.738(18)	Measures to prevent and suppress acts of piracy and armed robbery against ships	MSC
524	A.913(22)	Revised Guidelines on the implementation of the International Safety Management (ISM) Code by Administrations	MSC	1) Revokes A.788(19) 2) To be revoked by A.1022(26) as of 1 July 2010
525	A.959(23)	Format and guidelines for the maintenance of the Continuous Synopsis Record (CSR), as amended by MSC.198(80)	MSC
526	A.1022(26)	Guidelines on the implementation of the International Safety Management (ISM) Code by Administrations	MSC	Revokes A.913(22) with effect as of 1 July 2010
527	A.1025(26)	Code of practice for the investigation of the crimes of piracy and armed robbery against ships	MSC	Revokes A.922(22)
528	A.1026(26)	Piracy and armed robbery against ships in waters off the coast of Somalia (Revokes resolution A.1002(25))	MSC	A.979(24) overtaken by time
529	MSC.242(83)	Use of LRIT information for safety and environmental purposes	MSC
530	MSC.264(84)	Establishment of International LRIT Data Exchange on an interim basis	MSC	Revokes MSC.243(83)
531	MSC.263(84)	Revised performance standards and functional requirements for the Long Range Identification and Tracking of ships	MSC	Revokes MSC.210(81) and MSC.245(83)
532	MSC/Circ.443	Measures to prevent unlawful acts against passengers and crews on board ships	MSC
533	MSC/Circ.754	Passenger ferry security	MSC
534	MSC/Circ.1067	Early implementation of the special measures to enhance maritime security	MSC
535	MSC/Circ.1074	Interim Guidelines for the authorization of RSOs acting on behalf of the Administration and/or Designated Authority of Contracting Government	MSC
536	MSC/Circ.1090	Guidance for Administrations, companies, masters and manning agents detecting and preventing unlawful practices	MSC
537	MSC/Circ.1097	Guidelines to the implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
538	MSC/Circ.1104	Implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
539	MSC/Circ.1106	Implementation of SOLAS chapter XI-2 and the ISPS Code to port facilities	MSC
540	MSC/Circ.1110	Matters related to SOLAS regulations XI-2/6 and XI-2/7	MSC
541	MSC/Circ.1111	Guidance relating to the implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
542	MSC/Circ.1112	Shore leave and access to ships under the ISPS Code	MSC
543	MSC/Circ.1113	Guidance to port State control officers on the non-security related elements of the 2002 SOLAS amendments	MSC
544	MSC/Circ.1132	Guidance relating to the implementation of SOLAS chapter XI-2 and of the ISPS Code	MSC
546	MSC/Circ.1156	Guidance on the access of public authorities, emergency response services and pilots on board ships to which SOLAS chapter XI-2 and the ISPS Code apply	MSC
547	MSC/Circ.1157	Interim scheme for the compliance of certain cargo ships with the special measures to enhance maritime security	MSC
548	MSC.1/Circ.1189	Interim scheme for the compliance of special purpose ships with the special measures to enhance maritime security	MSC
549	MSC.1/Circ.1192	Guidance on voluntary self-assessment by SOLAS Contracting Governments and by port facilities	MSC
550	MSC.1/Circ.1193	Guidance on voluntary self-assessment by Administrations and for ship security	MSC
551	MSC.1/Circ.1194	Effective implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
552	ILO/IMO	ILO/IMO Code of Practice on Security in Ports (see MSC 78/7/2, annex)	MSC
559	MSC.1/Circ.1217	Interim Guidance on voluntary self-assessment by Companies and company security officers (CSOs) for ship security	MSC
560	MSC.1/Circ.1219	Interim LRIT Technical Specifications and other matters	MSC
561	MSC.1/Circ.1231	Interim Scheme for the compliance of certain cargo ships and special purpose ships with the management for the safe operations of ships	MSC
562	MSC.1/Circ.1253	Shipboard technical operating and maintenance manuals	MSC
563	MSC.1/Circ.1283	Non-mandatory guidelines on security aspects of the operation of vessels which do not fall within the scope of SOLAS chapter XI-2 and the ISPS Code	MSC
564	MSC.1/Circ.1284	Unified interpretation of SOLAS regulations II-1/1.3 and II-1/3-6	MSC
565	MSC.1/Circ.1294	LRIT System - Technical Documentation (Part II)	MSC
566	MSC.1/Circ.1295	Guidance in relation to certain types of ships which are required to transmit LRIT information, on exemptions and equivalents and on certain operation matters	MSC
567	MSC.1/Circ.1298	Guidance on the implementation of the LRIT system	MSC	Revokes MSC.1/Circ.1256
568	MSC.1/Circ.1299	Transitional arrangements and measures for accelerating the completion of the establishment of the LRIT system	MSC
569	MSC.1/Circ.1305	Revised guidance to masters, Companies and duly authorized officers on the requirements relating to the submission of security-related information prior to the entry of a ship into port	MSC	Revokes MSC/Circ.1130
570	MSC.1/1307	Guidance on the survey and certification of compliance of ships with the requirement to transmit LRIT information	MSC	1) Revokes MSC.1/Circ.1296) 2) MSC.1/Circ.1257 overtaken by time
571	MSC.1/1308	Guidance to search and rescue services in relation to requesting and receiving LRIT information	MSC	1) Revokes MSC.1/Circ.1297 2) MSC.1/Circ.1258 overtaken by time
572	MSC.1/Circ.1332	Piracy and armed robbery against ships in waters off the coast of Somalia	MSC
573	MSC.1/Circ.1333	Recommendations to Governments for preventing and suppressing piracy and armed robbery against ships	MSC	Revokes MSC/Circ.622/Rev.1
574	MSC.1/Circ.1334	Guidance to shipowner and ship operators, shipmasters and crews on preventing and suppressing acts of piracy and armed robbery against ships	MSC	Revokes MSC/Circ.623/Rev.3

IMO body MSC

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
519	A.545(13)	Measures to prevent acts of piracy and armed robbery against ships	MSC
520	A.584(14)	Measures to prevent unlawful acts which threaten the safety of ships and the security of their passengers and crews	MSC
521	A.683(17)	Prevention and suppression of acts of piracy and armed robbery against ships	MSC
523	A.738(18)	Measures to prevent and suppress acts of piracy and armed robbery against ships	MSC
524	DELETED A.913(22)	Revised Guidelines on the implementation of the International Safety Management (ISM) Code by Administrations	MSC	Deleted as revoked by A.1022(26) as of 1 July 2010 1) Revokes A.788(19) 2) To be revoked by A.1022(26) as of 1 July 2010
525	A.959(23)	Format and guidelines for the maintenance of the Continuous Synopsis Record (CSR), as amended by MSC.198(80)	MSC
526	A.1022(26)	Guidelines on the implementation of the International Safety Management (ISM) Code by Administrations	MSC	Revokes A.913(22) with effect as of 1 July 2010
527	A.1025(26)	Code of practice for the investigation of the crimes of piracy and armed robbery against ships	MSC	Revokes A.922(22)
528	A.1026(26)	Piracy and armed robbery against ships in waters off the coast of Somalia (Revokes resolution A.1002(25))	MSC	A.979(24) overtaken by time
529	MSC.242(83)	Use of LRIT information for safety and environmental purposes	MSC
530	MSC.264(84)	Establishment of International LRIT Data Exchange on an interim basis	MSC	Revokes MSC.243(83)
531	MSC.263(84)	Revised performance standards and functional requirements for the Long Range Identification and Tracking of ships	MSC	Revokes MSC.210(81) and MSC.245(83)
532	MSC/Circ.443	Measures to prevent unlawful acts against passengers and crews on board ships	MSC
533	MSC/Circ.754	Passenger ferry security	MSC
534	MSC/Circ.1067	Early implementation of the special measures to enhance maritime security	MSC
535	MSC/Circ.1074	Interim Guidelines for the authorization of RSOs acting on behalf of the Administration and/or Designated Authority of Contracting Government	MSC
536	MSC/Circ.1090	Guidance for Administrations, companies, masters and manning agents detecting and preventing unlawful practices	MSC
537	MSC/Circ.1097	Guidelines to the implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
538	MSC/Circ.1104	Implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
539	MSC/Circ.1106	Implementation of SOLAS chapter XI-2 and the ISPS Code to port facilities	MSC
540	MSC/Circ.1110	Matters related to SOLAS regulations XI-2/6 and XI-2/7	MSC
541	MSC/Circ.1111	Guidance relating to the implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
542	DELETED MSC/Circ.1112	Shore leave and access to ships under the ISPS Code	MSC	See MSC.1/Circ.1342
543	MSC/Circ.1113	Guidance to port State control officers on the non-security related elements of the 2002 SOLAS amendments	MSC
544	MSC/Circ.1132	Guidance relating to the implementation of SOLAS chapter XI-2 and of the ISPS Code	MSC
546	MSC/Circ.1156	Guidance on the access of public authorities, emergency response services and pilots on board ships to which SOLAS chapter XI-2 and the ISPS Code apply	MSC
547	MSC/Circ.1157	Interim scheme for the compliance of certain cargo ships with the special measures to enhance maritime security	MSC
548	MSC.1/Circ.1189	Interim scheme for the compliance of special purpose ships with the special measures to enhance maritime security	MSC
549	MSC.1/Circ.1192	Guidance on voluntary self-assessment by SOLAS Contracting Governments and by port facilities	MSC
550	MSC.1/Circ.1193	Guidance on voluntary self-assessment by Administrations and for ship security	MSC
551	MSC.1/Circ.1194	Effective implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
552	ILO/IMO	ILO/IMO Code of Practice on Security in Ports (see MSC 78/7/2, annex)	MSC
559	MSC.1/Circ.1217	Interim Guidance on voluntary self-assessment by Companies and company security officers (CSOs) for ship security	MSC
560	MSC.1/Circ.1219	Interim LRIT Technical Specifications and other matters	MSC
561	MSC.1/Circ.1231	Interim Scheme for the compliance of certain cargo ships and special purpose ships with the management for the safe operations of ships	MSC
562	MSC.1/Circ.1253	Shipboard technical operating and maintenance manuals	MSC
563	MSC.1/Circ.1283	Non-mandatory guidelines on security aspects of the operation of vessels which do not fall within the scope of SOLAS chapter XI-2 and the ISPS Code	MSC
564	MSC.1/Circ.1284	Unified interpretation of SOLAS regulations II-1/1.3 and II-1/3-6	MSC
565	MSC.1/Circ.1294/Rev.2	LRIT System - Technical Documentation (Part II)	MSC	Revokes MSC.1/1294/Rev.1
566	MSC.1/Circ.1295	Guidance in relation to certain types of ships which are required to transmit LRIT information, on exemptions and equivalents and on certain operation matters	MSC
567	MSC.1/Circ.1298	Guidance on the implementation of the LRIT system	MSC	Revokes MSC.1/Circ.1256
568	MSC.1/Circ.1299	Transitional arrangements and measures for accelerating the completion of the establishment of the LRIT system	MSC
569	MSC.1/Circ.1305	Revised guidance to masters, Companies and duly authorized officers on the requirements relating to the submission of security-related information prior to the entry of a ship into port	MSC	Revokes MSC/Circ.1130
570	MSC.1/1307	Guidance on the survey and certification of compliance of ships with the requirement to transmit LRIT information	MSC	1) Revokes MSC.1/Circ.1296) 2) MSC.1/Circ.1257 overtaken by time
571	MSC.1/1308	Guidance to search and rescue services in relation to requesting and receiving LRIT information	MSC	1) Revokes MSC.1/Circ.1297 2) MSC.1/Circ.1258 overtaken by time
572	MSC.1/Circ.1332	Piracy and armed robbery against ships in waters off the coast of Somalia	MSC
573	MSC.1/Circ.1333	Recommendations to Governments for preventing and suppressing piracy and armed robbery against ships	MSC	Revokes MSC/Circ.622/Rev.1
574	MSC.1/Circ.1334	Guidance to shipowner and ship operators, shipmasters and crews on preventing and suppressing acts of piracy and armed robbery against ships	MSC	Revokes MSC/Circ.623/Rev.3
	MSC.296(87)	Guidelines for verification of conformity with goal-based ship construction standards for bulk carriers and oil tankers	MSC
	MSC.303(87)	Assuring safety during demonstrations, protests, or confrontations on the high seas	MSC
	MSC.305(87)	Guidelines on operational procedures for the promulgation of maritime safety information concerning acts of piracy and piracy counter-measure operations	MSC
	MSC.312(88)	Revised guidelines on the prevention of access by stowaways and the allocation of responsibilities to seek the successful resolution of stowaway cases	MSC
	MSC.322(89)	Operation of the International LRIT Data Exchange	MSC
	MSC.324(89)	Implementation of best management practice guidance	MSC
	MSC.1/Circ.1259/Rev.4	Long-range identification and tracking system – Technical documentation (Part I)	MSC	Revokes MSC.1/Circ.1259/Rev.3
	MSC.1/Circ.1341	Guidelines on security-related training and familiarization for port facility personnel	MSC
	MSC.1/Circ.1342	Reminder in connection with shore leave and access to ships	MSC	Revokes MSC/Circ.1112
	MSC.1/Circ.1343	Guidelines for the information to be included in a Ship Construction File	MSC
	MSC.1/Circ.1371	List of codes, recommendations, guidelines and other safety- and security-related non-mandatory instruments	MSC
	MSC.1/Circ.1376	Continuity of service plan for the LRIT system (Revokes MSC.1/Circ.1344)	MSC
	MSC.1/Circ.1377	List of application service providers authorized to conduct conformance tests and issue LRIT conformance test reports on behalf of the Administrations	MSC
	MSC.1/Circ.1390	Guidance for company security officers (CSOs) – Preparation of a Company and crew for the contingency of hijack by pirates in the Western Indian Ocean and the Gulf of Aden	MSC
	MSC.1/Circ.1394	Generic guidelines for developing goal based standards	MSC
	MSC.1/Circ.1404	Guidelines to assist in the investigation of the crimes of piracy and armed robbery against ships	MSC
	MSC.1/Circ.1405	Interim Guidance to shipowners, ship operators and shipmasters on the use of privately contracted armed security personnel on board ships in the High Risk Area	MSC
	MSC.1/Circ.1406	Interim recommendations for flag States regarding the use of privately contracted armed security personnel on board ships in the High Risk Area	MSC

IMO body MSC

The amendments shows additions or changes to MSC.1/Circ.1371

	Instrument	Name	IMO body	Remarks
	A.545(13)	Measures to prevent acts of piracy and armed robbery against ships	MSC
	A.584(14)	Measures to prevent unlawful acts which threaten the safety of ships and the security of their passengers and crews	MSC
	A.683(17)	Prevention and suppression of acts of piracy and armed robbery against ships	MSC
	A.738(18)	Measures to prevent and suppress acts of piracy and armed robbery against ships	MSC
	A.959(23)	Format and guidelines for the maintenance of the Continuous Synopsis Record (CSR), as amended by MSC.198(80)	MSC
	A.1022(26)	Guidelines on the implementation of the International Safety Management (ISM) Code by Administrations	MSC	Revokes A.913(22) with effect as of 1 July 2010
	A.1025(26)	Code of practice for the investigation of the crimes of piracy and armed robbery against ships	MSC	Revokes A.922(22)
	A.1026(26)	Piracy and armed robbery against ships in waters off the coast of Somalia (Revokes resolution A.1002(25))	MSC	A.979(24) overtaken by time
	A.1051(27)	IMO/WMO worldwide Met-Ocean information and warning service guidancedocument	MSC
	MSC.242(83)	Use of LRIT information for safety and environmental purposes	MSC
	MSC.263(84)	Revised performance standards and functional requirements for the Long Range Identification and Tracking of ships, as amended by MSC.330(90)	MSC	Revokes MSC.210(81) and MSC.245(83)
	MSC.264(84)	Establishment of International LRIT Data Exchange on an interim basis	MSC	Revokes MSC.243(83)
	MSC.298(87)	Establishment of a distribution facility for the provision of LRIT information to security forces operating in waters of the Gulf of Aden and the Western Indian Ocean to aid their work in the repression of piracy and armed robbery against ships, as amended by MSC.331(90)	MSC
	MSC/Circ.443	Measures to prevent unlawful acts against passengers and crews on board ships	MSC
	MSC/Circ.754	Passenger ferry security	MSC
	MSC/Circ.1067	Early implementation of the special measures to enhance maritime security	MSC
	MSC/Circ.1074	Interim Guidelines for the authorization of RSOs acting on behalf of the Administration and/or Designated Authority of Contracting Government	MSC
	MSC/Circ.1090	Guidance for Administrations, companies, masters and manning agents detecting and preventing unlawful practices	MSC
	MSC/Circ.1097	Guidelines to the implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
	MSC/Circ.1104	Implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
	MSC/Circ.1106	Implementation of SOLAS chapter XI-2 and the ISPS Code to port facilities	MSC
	MSC/Circ.1110	Matters related to SOLAS regulations XI-2/6 and XI-2/7	MSC
	MSC/Circ.1111	Guidance relating to the implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
	MSC/Circ.1113	Guidance to port State control officers on the non-security related elements of the 2002 SOLAS amendments	MSC
	MSC/Circ.1132	Guidance relating to the implementation of SOLAS chapter XI-2 and of the ISPS Code	MSC
	MSC/Circ.1156	Guidance on the access of public authorities, emergency response services and pilots on board ships to which SOLAS chapter XI-2 and the ISPS Code apply	MSC
	MSC/Circ.1157	Interim scheme for the compliance of certain cargo ships with the special measures to enhance maritime security	MSC
	MSC.1/Circ.1189	Interim scheme for the compliance of special purpose ships with the special measures to enhance maritime security	MSC
	MSC.1/Circ.1192	Guidance on voluntary self-assessment by SOLAS Contracting Governments and by port facilities	MSC
	MSC.1/Circ.1193	Guidance on voluntary self-assessment by Administrations and for ship security	MSC
	MSC.1/Circ.1194	Effective implementation of SOLAS chapter XI-2 and the ISPS Code	MSC
	ILO/IMO	ILO/IMO Code of Practice on Security in Ports (see MSC 78/7/2, annex)	MSC
	MSC.1/Circ.1217	Interim Guidance on voluntary self-assessment by Companies and company security officers (CSOs) for ship security	MSC
	MSC.1/Circ.1219	Interim LRIT Technical Specifications and other matters	MSC
	MSC.1/Circ.1231	Interim Scheme for the compliance of certain cargo ships and special purpose ships with the management for the safe operations of ships	MSC
	MSC.1/Circ.1253	Shipboard technical operating and maintenance manuals	MSC
	MSC.1/Circ.1283	Non-mandatory guidelines on security aspects of the operation of vessels which do not fall within the scope of SOLAS chapter XI-2 and the ISPS Code	MSC
	MSC.1/Circ.1284	Unified interpretation of SOLAS regulations II-1/1.3 and II-1/3-6	MSC	The unified interpretations of SOLAS regulations II-1/1/3 and II-1/3-6 contained in MSC.1/Circ.1284 should not be applied after the approval date of MSC-MEPC.2/Circ.10, i.e. 1 December 2011
	MSC.1/Circ.1294/Rev.3	LRIT System - Technical Documentation (Part II)	MSC	Revokes MSC.1/1294/Rev.2
	MSC.1/Circ.1295	Guidance in relation to certain types of ships which are required to transmit LRIT information, on exemptions and equivalents and on certain operation matters	MSC
	MSC.1/Circ.1298	Guidance on the implementation of the LRIT system	MSC	Revokes MSC.1/Circ.1256
	MSC.1/Circ.1299	Transitional arrangements and measures for accelerating the completion of the establishment of the LRIT system	MSC
	MSC.1/Circ.1305	Revised guidance to masters, Companies and duly authorized officers on the requirements relating to the submission of security-related information prior to the entry of a ship into port	MSC	Revokes MSC/Circ.1130
	MSC.1/1307	Guidance on the survey and certification of compliance of ships with the requirement to transmit LRIT information	MSC	1) Revokes MSC.1/Circ.1296) 2) MSC.1/Circ.1257 overtaken by time
	MSC.1/1308	Guidance to search and rescue services in relation to requesting and receiving LRIT information	MSC	1) Revokes MSC.1/Circ.1297 2) MSC.1/Circ.1258 overtaken by time
	MSC.1/Circ.1332	Piracy and armed robbery against ships in waters off the coast of Somalia	MSC
	MSC.1/Circ.1333	Recommendations to Governments for preventing and suppressing piracy and armed robbery against ships	MSC	Revokes MSC/Circ.622/Rev.1
	MSC.1/Circ.1334	Guidance to shipowner and ship operators, shipmasters and crews on preventing and suppressing acts of piracy and armed robbery against ships	MSC	Revokes MSC/Circ.623/Rev.3
	MSC.296(87)	Guidelines for verification of conformity with goal-based ship construction standards for bulk carriers and oil tankers	MSC
	MSC.303(87)	Assuring safety during demonstrations, protests, or confrontations on the high seas	MSC
	MSC.305(87)	Guidelines on operational procedures for the promulgation of maritime safety information concerning acts of piracy and piracy counter-measure operations	MSC
	MSC.312(88)	Revised guidelines on the prevention of access by stowaways and the allocation of responsibilities to seek the successful resolution of stowaway cases	MSC
	MSC.322(89)	Operation of the International LRIT Data Exchange	MSC
	MSC.324(89)	Implementation of best management practice guidance	MSC
	MSC.1/Circ.1259/Rev.5	Long-range identification and tracking system – Technical documentation (Part I)	MSC	Revokes MSC.1/Circ.1259/Rev.4
	MSC.1/Circ.1341	Guidelines on security-related training and familiarization for port facility personnel	MSC
	MSC.1/Circ.1342	Reminder in connection with shore leave and access to ships	MSC	Revokes MSC/Circ.1112
	MSC.1/Circ.1343	Guidelines for the information to be included in a Ship Construction File	MSC
	MSC.1/Circ.1371	List of codes, recommendations, guidelines and other safety- and security-related non-mandatory instruments	MSC
	MSC.1/Circ.1371/Add.1	List of codes, recommendations, guidelines and other safety- and security-related non-mandatory instruments	MSC
	MSC.1/Circ.1376/Rev.1	Continuity of service plan for the LRIT system (Revokes MSC.1/Circ.1344)	MSC	Revokes MSC.1/Circ.1376
	MSC.1/Circ.1377	List of application service providers authorized to conduct conformance tests and issue LRIT conformance test reports on behalf of the Administrations	MSC
	MSC.1/Circ.1390	Guidance for company security officers (CSOs) – Preparation of a Company and crew for the contingency of hijack by pirates in the Western Indian Ocean and the Gulf of Aden	MSC
	MSC.1/Circ.1394	Generic guidelines for developing goal based standards	MSC
	MSC.1/Circ.1404	Guidelines to assist in the investigation of the crimes of piracy and armed robbery against ships	MSC
	MSC.1/Circ.1405/Rev.2	Interim Guidance to shipowners, ship operators and shipmasters on the use of privately contracted armed security personnel on board ships in the High Risk Area	MSC	Revokes MSC.1/Circ.1405/Rev.1
	MSC.1/Circ.1406	Interim recommendations for flag States regarding the use of privately contracted armed security personnel on board ships in the High Risk Area	MSC
	MSC.1/Circ.1408/Rev.1	Interim recommendations for port and coastal States regarding the use of privately contracted armed security personnel on board ships in the High Risk Area	MSC
	MSC.1/Circ.1412	Principles and guidelines relating to the review and audit of the performance of LRIT data centres and of the international LRIT data exchange	MSC
	MSC.1/Circ.1443	Interim guidance to private maritime security companies providing privately contracted armed security personnel on board ships in the High Risk Area	MSC
	MSC.1/Circ.1444	Interim Guidance for flag States on measures to prevent and mitigate Somalia-based piracy	MSC
	MSC.1/Circ.1446	Recommended interim measures for passenger ship companies to enhance the safety of passenger ships	MSC

IMO body MSC/COMSAR

No.	Instrument	Name	IMO body	Remarks
553	MSC.1/Circ.1190	Guidance on the provision of information for identifying ships when transmitting ship security alerts	MSC/COMSAR
554	MSC/Circ.1072	Guidance on provision of ship security alert systems (SSASs)	MSC/COMSAR

IMO body MSC/FAL

	Instrument	Name	IMO body	Remarks
	MSC.228(82)	Revision of the Guidelines for the prevention and suppression of the smuggling of drugs, psychotropic substances and precursor chemicals on ships	MSC/FAL	Supersedes A.872(20)
	MSC-FAL.1/Circ.1	Securing and facilitating international trade	MSC/FAL

IMO body MSC/FAL/MEPC

	Instrument	Name	IMO body	Remarks
	FAL.2/Circ.123MEPC.1/Circ.769MSC.1/Circ.1409	Revised list of certificates and documents required to be carried on board ships	MSC/FAL/MEPC	Supersedes FAL.2/Circ.87-MEPC/Circ.426-MSC/Circ.1151

IMO body MSC/FSI

No.	Instrument	Name	IMO body	Remarks
555	MSC/Circ.1074	Interim guidelines for the authorization of recognized security organizations acting on behalf of the administration and/or designated authority of a Contracting Government	MSC/FSI

IMO body MSC/FSI

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
555	MSC/Circ.1074	Interim guidelines for the authorization of recognized security organizations acting on behalf of the administration and/or designated authority of a Contracting Government	MSC/FSI
	MSC.1/Circ.1374	Information on prohibiting the use of asbestos on board ships	MSC/FSI

IMO body MSC/MEPC

No.	Instrument	Name	IMO body	Remarks
522	A.719(17)	Prevention of air pollution from ships	MSC/MEPC
575	MSC-MEPC.1/Circ.2	Guidelines on the organization and method of work of the MSC, MEPC and their subsidiary bodies	MSC/MEPC	Revokes MSC-MEPC.1/Circ.1
576	MSC-MEPC.2/Circ.7	Provision of information in respect of products carried in accordance with the requirements of MARPOL Annex II and the IBC Code	MSC/MEPC
577	MSC-MEPC.3/Circ.3	Revised harmonized reporting procedures - Reports required under SOLAS regulation I/21 and MARPOL 73/78, articles 8 and 12	MSC/MEPC	Supersedes MSC-MEPC.3/Circ.1
578	MSC-MEPC.4/Circ.2	Code of good practice for port State control officers	MSC/MEPC
579	MSC-MEPC.4/Circ.3	Blanking of bilge discharge piping systems in port	MSC/MEPC
580	MSC-MEPC.5/Circ.4	Unified interpretation of the application of regulations governed by the building contract date, the keel laying date and the delivery date for the requirements of the SOLAS and MARPOL Conventions	MSC/MEPC
581	MSC-MEPC.7/Circ.5	Guidelines for operational implementation of the International Safety Management (ISM) Code by Companies	MSC/MEPC
582	MSC-MEPC.7/Circ.6	Qualification, training and experience necessary for undertaking the role of designated person under the provisions of the International Safety Management (ISM) Code	MSC/MEPC
583	MSC-MEPC.7/Circ.7	Guidance on near-miss reporting	MSC/MEPC

IMO body MSC/MEPC

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
522	A.719(17)	Prevention of air pollution from ships	MSC/MEPC
575	DELETED MSC-MEPC.1/Circ.2	Guidelines on the organization and method of work of the MSC, MEPC and their subsidiary bodies	MSC/MEPC	See MSC-MEPC.1/Circ.4 Revokes MSC-MEPC.1/Circ.1
576	MSC-MEPC.2/Circ.7	Provision of information in respect of products carried in accordance with the requirements of MARPOL Annex II and the IBC Code	MSC/MEPC
577	MSC-MEPC.3/Circ.3	Revised harmonized reporting procedures - Reports required under SOLAS regulation I/21 and MARPOL 73/78, articles 8 and 12	MSC/MEPC	Supersedes MSC-MEPC.3/Circ.1
578	MSC-MEPC.4/Circ.2	Code of good practice for port State control officers	MSC/MEPC
579	MSC-MEPC.4/Circ.3	Blanking of bilge discharge piping systems in port	MSC/MEPC
580	MSC-MEPC.5/Circ.4	Unified interpretation of the application of regulations governed by the building contract date, the keel laying date and the delivery date for the requirements of the SOLAS and MARPOL Conventions	MSC/MEPC
581	MSC-MEPC.7/Circ.5	Guidelines for operational implementation of the International Safety Management (ISM) Code by Companies	MSC/MEPC
582	MSC-MEPC.7/Circ.6	Qualification, training and experience necessary for undertaking the role of designated person under the provisions of the International Safety Management (ISM) Code	MSC/MEPC
583	MSC-MEPC.7/Circ.7	Guidance on near-miss reporting	MSC/MEPC
	MSC-MEPC.1/Circ.4	Guidelines on the organization and method of work of the MSC, MEPC andtheir subsidiary bodies	MSC/MEPC	Supersedes MSC-MEPC.1/Circ.2

IMO body MSC/MEPC

The amendments shows additions or changes to MSC.1/Circ.1371

	Instrument	Name	IMO body	Remarks
	A.719(17)	Prevention of air pollution from ships	MSC/MEPC
	MSC-MEPC.2/Circ.7	Provision of information in respect of products carried in accordance with the requirements of MARPOL Annex II and the IBC Code	MSC/MEPC
	MSC-MEPC.3/Circ.3	Revised harmonized reporting procedures - Reports required under SOLAS regulation I/21 and MARPOL 73/78, articles 8 and 12	MSC/MEPC	Supersedes MSC-MEPC.3/Circ.1
	MSC-MEPC.4/Circ.2	Code of good practice for port State control officers	MSC/MEPC
	MSC-MEPC.4/Circ.3	Blanking of bilge discharge piping systems in port	MSC/MEPC
	MSC-MEPC.5/Circ.4	Unified interpretation of the application of regulations governed by the building contract date, the keel laying date and the delivery date for the requirements of the SOLAS and MARPOL Conventions	MSC/MEPC
	MSC-MEPC.5/Circ.5	Unified Interpretation on measurement of distances	MSC/MEPC
	MSC-MEPC.7/Circ.5	Guidelines for operational implementation of the International Safety Management (ISM) Code by Companies	MSC/MEPC
	MSC-MEPC.7/Circ.6	Qualification, training and experience necessary for undertaking the role of designated person under the provisions of the International Safety Management (ISM) Code	MSC/MEPC
	MSC-MEPC.7/Circ.7	Guidance on near-miss reporting	MSC/MEPC
	MSC-MEPC.1/Circ.4	Guidelines on the organization and method of work of the MSC, MEPC and their subsidiary bodies	MSC/MEPC	Supersedes MSC-MEPC.1/Circ.2

IMO body MSC/NAV

	Instrument	Name	IMO body	Remarks
	MSC.1/Circ.1375	Unified interpretation of SOLAS regulation V/23	MSC/NAV

IMO body MSC/NAV

	Instrument	Name	IMO body	Remarks
	MSC.1/Circ.1375/Rev.1	Unified interpretation of SOLAS regulation V/23	MSC/NAV	Revokes MSC.1/Circ.1375

IMO body MSC/STW

No.	Instrument	Name	IMO body	Remarks
556	MSC/Circ.1112	Shore leave and access to ships under the ISPS Code	MSC/STW
557	MSC/Circ.1154	Guidelines on training and certification for company security officers	MSC/STW
558	MSC.1/Circ.1188	Guidelines on the training and certification for port facility security officers	MSC/STW

IMO body MSC/STW

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
556	MSC/Circ.1112	Shore leave and access to ships under the ISPS Code	MSC/STW
557	MSC/Circ.1154	Guidelines on training and certification for company security officers	MSC/STW
558	MSC.1/Circ.1188	Guidelines on the training and certification for port facility security officers	MSC/STW
	MSC.1/Circ.797/Rev.21	List of competent persons maintained by the Secretary-General pursuant tosection A-I/7 of the STCW Code	MSC/STW
	MSC.1/Circ.1163/Rev.7	Parties to the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW), 1978, as amended, confirmed by the Maritime Safety Committee to have communicated information which demonstrates that full and complete effect is given to the relevant provisions of the Convention	MSC/STW
	MSC.1/Circ.1164/Rev.9	Promulgation of information related to reports of independent evaluation submitted by Parties to the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW), 1978, as amended, confirmed by the Maritime Safety Committee to have communicated information which demonstrates that Parties are giving full and complete effect to the relevant provisions of the Convention	MSC/STW

IMO body MSC/STW

The amendments shows additions or changes to MSC.1/Circ.1371

	Instrument	Name	IMO body	Remarks
	MSC/Circ.1112	Shore leave and access to ships under the ISPS Code	MSC/STW
	MSC/Circ.1154	Guidelines on training and certification for company security officers	MSC/STW
	MSC.1/Circ.1188	Guidelines on the training and certification for port facility security officers	MSC/STW
	MSC.1/Circ.797/Rev.22	List of competent persons maintained by the Secretary-General pursuant to section A-I/7 of the STCW Code	MSC/STW
	MSC.1/Circ.1163/Rev.7	Parties to the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW), 1978, as amended, confirmed by the Maritime Safety Committee to have communicated information which demonstrates that full and complete effect is given to the relevant provisions of the Convention	MSC/STW
	MSC.1/Circ.1164/Rev.10	Promulgation of information related to reports of independent evaluation submitted by Parties to the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW), 1978, as amended, confirmed by the Maritime Safety Committee to have communicated information which demonstrates that Parties are giving full and complete effect to the relevant provisions of the Convention	MSC/STW

AnnexIMO body NAV

IMO body BLG

No.	Instrument	Name	IMO body	Remarks
1	A.115(V)	Recommendation on the treatment of spaces on board ships for the separation, clarification or purification, and the carriage of slop oil	BLG
2	A.328(IX)	Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (GC Code), as amended by MSC 38, MSC 40, MSC 42, MSC/Circ.356, MSC.25(60), MSC.34(63), MSC.60(67), MSC.107 (73) and MSC.182(79)	BLG	Now IGC Code, but still in force for ships built before 1 July 1986
3	A.329(IX)	Recommendations Concerning Ships not Covered by the Code For the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (Existing GC Code), as amended by MSC 38, MSC 40, MSC 42 and MSC 63/23/Add.1, annex 6	BLG	Now IGC Code, but still in force for ships not covered by GC Code
5	A.743(18)	Oil tanker safety and marine environmental protection	BLG
6	A.829(19)	Guidelines for the evaluation of the adequacy of type C tank vent systems	BLG
7	A.868(20)	Guidelines for the control and management of ships ballast water to minimize the transfer of harmful aquatic organisms and pathogens	BLG
8	MSC.7(48)	Recommendations on chemical tankers and gas carriers constructed before 1 July 1986	BLG
9	MSC.225(82)	Amendments to the Code for the Construction and Equipment of ships carrying Liquefied Gases in Bulk, as amended	BLG
10	MSC.150(77)	Recommendation for material safety data sheets for MARPOL Annex I cargoes and marine fuel oils	BLG
11	MSC.285(86)	Interim guidelines on safety for natural gas-fuelled engine installations in ships	BLG
12	MSC.286(86)	Recommendations for material safety data sheets (MSDS) for MARPOL Annex I oil cargo and oil fuel	BLG
13	MSC/Circ.285	Inert gas systems for chemical tankers	BLG
14	MSC/Circ.314	Calculation of the capacity of foam systems for chemical tankers (Code for the Construction and Equipment of Ships carrying Dangerous Chemicals in Bulk)	BLG
15	MSC/Circ.328/Rev.1	Carriage of Ethylene Oxide and Endorsement of Certificate of Fitness, GC Code	BLG
16	MSC/Circ.394	Procedures for the inspection, cleaning, passivation and loading of tanks for the carriage of certain cargoes (BCH Code and IBC Code)	BLG
17	MSC/Circ.495	Filter-type respiratory and eye protection equipment (Amendments to the BCH and GC Codes)	BLG
18	MSC/Circ.551	Cargo tank gauging. Interpretation of the term "closed device" as referred to in paragraph 3.9 in the BCH Code	BLG
19	MSC/Circ.585	Standards for vapour emission control systems	BLG
20	MSC/Circ.604	Interim arrangements for the assignment of the amended filling limit requirements under chapters 8 and 15 of the Gas Carrier Code	BLG
21	MSC/Circ.879	Equivalency arrangement for the carriage of styrene monomer	BLG
22	MSC/Circ.929	Application of cargo-tank venting requirements to combined chemical tankers	BLG
23	MSC/Circ.1095	Revised minimum safety standards for ships carrying liquids in bulk containing benzene	BLG	Revokes MSC/Circ.752
24	MSC/Circ.1116	Unified interpretations of the IBC and IGC Codes	BLG
25	MSC.1/Circ.1213	Interpretation and application of the IGC Code for ships carrying liquefied carbon dioxide in bulk	BLG
26	MSC.1/Circ.1220	Voluntary structural guidelines for new ships carrying liquids in bulk containing benzene	BLG
27	MSC.1/Circ.1303	Guidance on the provision for material safety data sheets when carrying oil or oil fuel, in accordance with SOLAS regulation VI/5-1	BLG
28	MSC.1/Circ.1323	Unified interpretation of the IBC Code	BLG
29	MSC.1/Circ.1325	Missing information on apparatus groups in column i'' of chapter 17 of the IBC Code	BLG

No.	Instrument	Name	IMO body	Remarks
585	A.95(IV)	Weather messages in oceanic areas	NAV
586	A.157(ES.IV)	Recommendation on the use and testing of shipborne navigational equipment	NAV
587	A.224(VII)	Performance standards for echo-sounding equipment	NAV	Now in MSC.74(69) (annex 4), but still in force for equipment installed before 1 January 2001
588	A.278(VIII)	Supplement to the recommendation on performance standards for navigational radar equipment	NAV
589	A.342(IX)	Recommendation on performance standards for automatic pilots	NAV	Now in MSC.64(67) (annex 3), but still in force for equipment installed before 1 January 1999
590	A.343(IX)	Recommendation on methods of measuring noise levels at listening posts	NAV
591	A.382(X)	Magnetic compasses: carriage and performance standards (Annex I is incorporated in SOLAS regulation V/12(b))	NAV
592	A.384(X)	Performance standards for radar reflectors	NAV
593	A.422(XI)	Performance standards for automatic radar plotting aids (ARPA)	NAV
594	A.424(XI)	Performance standards for gyro-compasses	NAV	A.280(VIII) overtaken by time
595	A.477(XII)	Performance standards for radar equipment	NAV	Now in MSC.192(79), but still in force for equipment installed between 1 September 1994 and 31 December 1998
596	A.478(XII)	Performance standards for devices to indicate speed and distance	NAV	Now in A.824(19), but still in force for equipment installed before 1 January 1997
597	A.480(XII)	Recommendation on the use of adequately qualified deep-sea pilots in the Baltic	NAV
598	A.487(XII)	Participation in the AMVER system	NAV
599	A.526(13)	Performance standards for rate-of-turn indicators (ROTI)	NAV
600	A.528(13)	Recommendation on weather routeing	NAV
601	A.572(14)	General Provisions on Ships' Routeing, as amended by MSC.71(69), MSC.165(78), SN/Circ.115, SN/Circ.119, SN/Circ.127, SN/Circ.176, SN/Circ.185, SN/Circ.199, SN/Circ.215, SN/Circ.237, SN/Circ.241 and SN.1/Circ.275 (MSC.280(85))	NAV
602	A.601(15)	Provision and display of manoeuvring information on board ships	NAV
603	A.615(15)	Radar beacons and transponders	NAV	SN/Circ.87 and SN/Circ.154 overtaken by time
604	A.671(16)	Safety zones and safety of navigation around offshore installations and structures	NAV
605	A.672(16)	Guidelines and standards for the removal of offshore installations and structures on the continental shelf and in the exclusive economic zone	NAV
606	A.708(17)	Navigation bridge visibility and functions	NAV
607	A.795(19)	Navigational guidance and information scheme for ro-ro ferry operations	NAV
608	A.796(19)	Recommendations on a decision-support system for masters on passenger ships	NAV
609	A.813(19)	General requirements for electromagnetic compatibility (EMC) for all electrical and electronic ship's equipment	NAV
610	A.817(19)	Performance standards for electronic chart display and information systems (ECDIS)	NAV	Now in MSC.232(82), but still in force for equipment installed before 1 January 1999
611	MSC.232(82)	The revised performance standards for electronic chart display and information system (ECDIS)	NAV	Installed on or after 1 January 2009
612	A.818(19)	Performance standards for shipborne LORAN-C and CHAYKA receivers	NAV
613	A.819(19)	Performance standards for shipborne global positioning system (GPS) receiver equipment	NAV	Now in MSC.112(73), but still in force for equipment installed before 1 July 2003
614	A.820(19)	Performance standards for navigational radar equipment for high-speed craft	NAV	Now in MSC.192(79), but still in force for equipment installed before 1 July 2008
615	A.821(19)	Performance standards for gyro-compass for high-speed craft	NAV
616	A.822(19)	Performance standards for automatic steering aids (automatic pilots) for high-speed craft	NAV
617	A.823(19)	Performance standards for automatic radar plotting aids (ARPAs)	NAV	Now in MSC.192(79), but still in force for equipment installed between 1 January 1997 and 1 July 2008
618	A.824(19)	Performance standards for devices to indicate speed and distance	NAV	1) Now in MSC.96(72), but still in force for equipment installed between 1 January 1997 and 1 July 2002; 2) Refer to remarks on A.478(XII).
619	A.857(20)	Guidelines for vessel traffic services	NAV
620	A.858(20)	Procedure for the adoption and amendment of traffic separation schemes, routeing measures other than traffic separation schemes, including designation and substitution of archipelagic sea lanes, and ship reporting systems	NAV
621	A.861(20)	Performance standards for shipborne voyage data recorders (VDRs), as amended by MSC.214(81)	NAV
622	A.889(21)	Pilot transfer arrangements	NAV	Currently under review
623	A.893(21)	Guidelines for voyage planning	NAV
624	A.915(22)	Revised maritime policy and requirements for a future Global Navigation Satellite System (GNSS)	NAV
625	A.916(22)	Guidelines for the recording of events related to navigation	NAV
626	A.949(23)	Guidelines on places of refuge for ships in need of assistance	NAV
627	A.950(23)	Maritime assistance services (MAS)	NAV
628	A.953(23)	World-wide radionavigation system	NAV	Revokes A.529(13) and A.815(19)
629	A.954(23)	Proper use of VHF channels at sea (Revokes A.474(12))	NAV
630	A.956(23)	Amendments to the guidelines for the onboard operational use of shipborne automatic identification systems (AIS) (resolution A.917(22))	NAV
631	A.958(23)	Provision of hydrographic services	NAV	Revokes A.532(13)
632	A.960(23)	Recommendations on training and certification and operational procedures for maritime pilots other than deep-sea pilots	NAV	Revokes A.485(XII)
633	A.999(25)	Guidelines on voyage planning for passenger ships operating in remote areas	NAV
634	MSC.43(64)	Guidelines and criteria for ship reporting systems, as amended by MSC.111(73) and MSC.189(79)	NAV
635	MSC.53(66)	Performance standards for shipborne GLONASS receiver equipment	NAV	Now in MSC.113(73), but still in force for equipment installed before 1 July 2003
636	MSC.64(67)	Recommendations on new and amended performance standards for integrated bridge systems (IBS) (annex 1), for shipborne DGPS and DGLONASS maritime radio beacon receiver equipment (annex 2), for heading control systems (annex 3), for radar equipment (annex 4)	NAV	Annex 1: It would become obsolete after the adoption of the Guidelines for bridge equipment and systems, their arrangement and integration Annex 2: Now in MSC.114(73), but still in force for equipment installed before 1 July 2003 Annex 4: Now in MSC.192(79), but still in force for equipment installed between 1 January 1999 and July 2008
637	MSC.74(69)	New and amended performance standards	NAV	1) Annex 1: Now in MSC.115(73), but still in force for equipment installed before 1 July 2003 2) Refer to remarks on A.224(VII)
638	MSC.86(70)	New and amended performance standards for navigational equipment, for Sound reception system (annex 1), for Magnetic heading devices (TMHDs) (annex 2) and for Integrated Navigation System (INS) (annex 3)	NAV	Annex 3: Now in MSC.252(83), but still in force for equipment installed before 1 January 2011
639	MSC.252(83)	Revised performance standards for Integrated Navigation Systems (INS)	NAV	1) Installed on or after 1 January 2011 2) Refer to remarks on MSC.86(70)
640	MSC.94(72)	Performance standards for night vision equipment for high-speed craft (HSC)	NAV
641	MSC.95(72)	Performance standards for daylight signalling lamps	NAV
642	MSC.96(72)	Amendments to Performance standards for devices to indicate speed and distance	NAV
643	MSC.112(73)	Revised performance standards for shipborne global positioning system (GPS) receiver equipment	NAV	Refer to remarks on A.819(19)
644	MSC.113(73)	Revised performance standards for shipborne GLONASS receiver equipment	NAV	Refer to remarks on MSC.53(66)
645	MSC.114(73)	Revised performance standards for shipborne DGPS and DGLONASS maritime radio beacon receiver equipment	NAV	Refer to remarks on MSC.64(67)
646	MSC.115(73)	Revised performance standards for shipborne combined GPS/GLONASS receiver equipment	NAV	Refer to remarks on MSC.74(69)
647	MSC.116(73)	Performance standards for marine transmitting heading devices (THDs)	NAV
648	MSC.128(75)	Performance standards for a bridge navigational watch alarm systems (BNWAS)	NAV
649	MSC.140(76)	Recommendation for the protection of the AIS VHF data link	NAV
650	MSC.163(78)	Performance standards for shipborne Simplified Voyage Data Recorders (S-VDRs), as amended by MSC.214(81)	NAV
651	MSC.164(78)	Revised performance standards for radar reflectors	NAV
652	MSC.166(78)	Application of performance standards for Transmitting Heading Devices (THDs) to Marine Transmitting Magnetic Heading Devices (TMHD)	NAV
653	MSC.191(79)	Performance Standards for the Presentation of Navigation-related Information on Shipborne Navigational Displays	NAV
654	MSC.192(79)	Revised Performance Standards for Radar Equipment	NAV	Refer to remarks on A.477(XII), A.820(19) and MSC.64(67)
655	MSC.210(81)	Performance Standards and Functional Requirements for the Long Range Identification and Tracking of ships as amended by MSC.254(83)	NAV
656	MSC.233(82)	Performance standards for shipborne Galileo receiver equipment	NAV
657	MSC.253(83)	Adoption of Performance standards for navigation lights, navigation light controllers and associated equipment	NAV
658	MSC/Circ.538	Information on AMVER service	NAV
659	MSC/Circ.586	World VTS Guide	NAV
660	MSC/Circ.638	Maintaining a proper look-out	NAV
661	MSC/Circ.673	Onboard communication phrases for passenger care	NAV
662	MSC/Circ.773	Pilot transfer arrangements. Required boarding arrangements for pilots.	NAV
663	MSC/Circ.867	Officer of the navigational watch acting as the sole look-out during period of darkness	NAV
664	MSC/Circ.893	Navigational warning concerning operations endangering the safety of navigation	NAV
665	MSC/Circ.952	IALA standards for training and certification of vessel traffic service (VTS) personnel	NAV
666	MSC/Circ.1024	Guidelines on Voyage Data Recorder (VDR) ownership and recovery	NAV
667	MSC/Circ.1043	Guidance on ships' daily reporting of their positions to their companies	NAV
668	MSC/Circ.1056 MEPC/Circ.399	Guidelines for ships operating in Arctic ice-covered waters	NAV
669	MSC/Circ.1060	Guidance note on the preparation of proposals on ships' routeing systems and ship reporting systems for submission to the Sub-Committee on Safety of Navigation	NAV
670	MSC/Circ.1060/Add.1	Amendment to the Guidance note on the preparation of proposals on ships' routeing systems and ship reporting systems for submission to the Sub-Committee on Safety of Navigation	NAV
671	MSC/Circ.1061	Guidance for the operational use of Integrated Bridge Systems (IBS)	NAV
672	MSC/Circ.1063	Participation of ships in weather routeing services	NAV
673	MSC/Circ.1118	Implementation of SOLAS regulation V/9 - Hydrographic services	NAV
674	MSC/Circ.1144	Additional guidance for the uniform application of rule 1(e) of the International Regulations for Preventing Collisions at Sea, 1972, as amended	NAV
675	MSC/Circ.1174	Basic safety guidance for oceanic voyages by non-regulated craft	NAV
676	MSC/Circ.1179	Deficiencies in hydrographic surveying and nautical charting worldwide and their impact on safety of navigation and protection of the marine environment	NAV
677	MSC.1/Circ.1222	Guidelines on annual testing of voyage data recorders (VDR) and simplified voyage data recorders (S-VDR)	NAV
678	MSC.1/Circ.1224	Unified interpretations of SOLAS chapter V	NAV
679	MSC.1/Circ.1225	Navigational Warnings concerning operations endangering the Safety of Navigation	NAV
680	MSC.1/Circ.1250	Safety margins to protect radar systems	NAV
681	MSC.1/Circ.1260	Unified interpretations of COLREGs	NAV
682	MSC.1/Circ.1261	Prevention of maritime accidents due to driftwood	NAV
683	MSC.1/Circ.1280	Night-time look-out - photochromic lenses and dark adaptation	NAV
684	MSC.1/Circ.1293	Participation in the World Meteorological Organization Voluntary Observing Ships' (VOS) Scheme	NAV	Supersedes MSC/Circ.1017
685	SN/Circ.99	Carriage of up-to-date charts	NAV
686	SN/Circ.105	IALA buoyage system	NAV
687	SN/Circ.107	Maritime buoyage system	NAV	Note: Reference in SOLAS regulation V/13
688	SN/Circ.157	Warning on using non-equivalent electronic charts	NAV
689	SN/Circ.177	Use of "not under command" (NUC) signals	NAV
690	SN/Circ.181	Compliance with ships' routeing measures	NAV
691	SN/Circ.182	Recognition of GPS-SPS as a component of the World-Wide Radionavigation System	NAV
692	SN/Circ.189	Marking of seismic streamers	NAV
693	SN/Circ.197 and Corr.1	Operation of marine radar for SART detection	NAV
694	SN/Circ.206 and Corr.1	Guidance for ships transiting archipelagic waters	NAV
695	SN/Circ.207/Rev.1	Differences between RCDS and ECDIS	NAV
696	SN/Circ.213	Guidance on chart datums and the accuracy of positions on charts	NAV
697	SN/Circ.223	Information and Guidance on allocation of identification numbers for Differential Global Navigation Satellite System (DGNSS) reference and transmitting stations in the Maritime Radionavigation (RADIOBEACON) Band	NAV
698	SN/Circ.226	Dangers of conflicting actions in collision avoidance	NAV
699	SN/Circ.227	Guidelines for the installation of a shipborne Automatic Identification System (AIS), as amended by SN/Circ.245	NAV
700	SN.1/Circ.227/Corr.1	Guidelines for the installation of a shipborne Automatic Identification System (AIS)	NAV
701	SN/Circ.236	Guidance on the application of AIS binary messages	NAV
702	SN/Circ.242	Mandatory ship reporting systems	NAV
703	SN/Circ.243	Guidelines for the presentation of navigation-related symbols, terms and abbreviations	NAV	SN/Circ.217 overtaken by time
704	SN.1/Circ.243/Add.1	Guidelines for the presentation of navigation-related symbols, terms and abbreviations	NAV	MSC/Circ.563 overtaken by time
705	SN/Circ.246	Recommended means for extracting stored data from Voyage Data Recorders (VDRs) and Simplified Voyage Data Recorders (S-VDRs) for Investigation authorities	NAV
706	SN.1/Circ.255	Additional guidance on chart datums and the Accuracy of positions on chart	NAV
707	SN.1/Circ.259	Emergency wreck marking buoy	NAV
708	SN.1/Circ.265	Guidelines on the application of SOLAS regulation V/15 to INS, IBS and bridge design	NAV
709	SN.1/Circ.266	Maintenance of Electronic Chart Display and Information System (ECDIS) software	NAV
710	SN.1/Circ.271	Guidelines for the installation of shipborne radar equipment	NAV
711	SN.1/Circ.274	Guidelines for the application of the modular concept to performance standards	NAV
712	SN.1/Circ.276	Transitioning from paper chart to electronic chart display and information systems (ECDIS) navigation	NAV
713	SN.1/Circ.277	International ice patrol service - 2009	NAV
714	SN.1/Circ.277/Add.1	Amendments - International ice patrol service - 2009	NAV

IMO body BLG

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
1	A.115(V)	Recommendation on the treatment of spaces on board ships for the separation, clarification or purification, and the carriage of slop oil	BLG
2	A.328(IX)	Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (GC Code), as amended by MSC 38, MSC 40, MSC 42, MSC/Circ.356, MSC.25(60), MSC.34(63), MSC.60(67), MSC.107 (73) and MSC.182(79)	BLG	Now IGC Code, but still in force for ships built before 1 July 1986
3	A.329(IX)	Recommendations Concerning Ships not Covered by the Code For the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (Existing GC Code), as amended by MSC 38, MSC 40, MSC 42 and MSC 63/23/Add.1, annex 6	BLG	Now IGC Code, but still in force for ships not covered by GC Code
5	A.743(18)	Oil tanker safety and marine environmental protection	BLG
6	A.829(19)	Guidelines for the evaluation of the adequacy of type C tank vent systems	BLG
7	A.868(20)	Guidelines for the control and management of ships ballast water to minimize the transfer of harmful aquatic organisms and pathogens	BLG
8	MSC.7(48)	Recommendations on chemical tankers and gas carriers constructed before 1 July 1986	BLG
9	MSC.225(82)	Amendments to the Code for the Construction and Equipment of ships carrying Liquefied Gases in Bulk, as amended	BLG
10	MSC.150(77)	Recommendation for material safety data sheets for MARPOL Annex I cargoes and marine fuel oils	BLG
11	MSC.285(86)	Interim guidelines on safety for natural gas-fuelled engine installations in ships	BLG
12	MSC.286(86)	Recommendations for material safety data sheets (MSDS) for MARPOL Annex I oil cargo and oil fuel	BLG
13	MSC/Circ.285	Inert gas systems for chemical tankers	BLG
14	MSC/Circ.314	Calculation of the capacity of foam systems for chemical tankers (Code for the Construction and Equipment of Ships carrying Dangerous Chemicals in Bulk)	BLG
15	MSC/Circ.328/Rev.1	Carriage of Ethylene Oxide and Endorsement of Certificate of Fitness, GC Code	BLG
16	MSC/Circ.394	Procedures for the inspection, cleaning, passivation and loading of tanks for the carriage of certain cargoes (BCH Code and IBC Code)	BLG
17	MSC/Circ.495	Filter-type respiratory and eye protection equipment (Amendments to the BCH and GC Codes)	BLG
18	MSC/Circ.551	Cargo tank gauging. Interpretation of the term "closed device" as referred to in paragraph 3.9 in the BCH Code	BLG
19	MSC/Circ.585	Standards for vapour emission control systems	BLG
20	MSC/Circ.604	Interim arrangements for the assignment of the amended filling limit requirements under chapters 8 and 15 of the Gas Carrier Code	BLG
21	MSC/Circ.879	Equivalency arrangement for the carriage of styrene monomer	BLG
22	MSC/Circ.929	Application of cargo-tank venting requirements to combined chemical tankers	BLG
23	MSC/Circ.1095	Revised minimum safety standards for ships carrying liquids in bulk containing benzene	BLG	Revokes MSC/Circ.752
24	MSC/Circ.1116	Unified interpretations of the IBC and IGC Codes	BLG
25	MSC.1/Circ.1213	Interpretation and application of the IGC Code for ships carrying liquefied carbon dioxide in bulk	BLG
26	MSC.1/Circ.1220	Voluntary structural guidelines for new ships carrying liquids in bulk containing benzene	BLG
27	MSC.1/Circ.1303	Guidance on the provision for material safety data sheets when carrying oil or oil fuel, in accordance with SOLAS regulation VI/5-1	BLG
28	MSC.1/Circ.1323	Unified interpretation of the IBC Code	BLG
29	MSC.1/Circ.1325	Missing information on apparatus groups in column i'' of chapter 17 of the IBC Code	BLG
	MSC.1/Circ.1363	Interim Guidelines for the construction and equipment of ships carryingnatural gas hydrate pellets (NGHP) in bulk	BLG
	MSC.1/Circ.1401	Guidelines on tank entry for tankers using nitrogen as an inerting medium	BLG

IMO body BLG/DE

No.	Instrument	Name	IMO body	Remarks
30	MSC/Circ.286	Guidelines for uniform application of survival requirements of Bulk Chemical Code and Gas Carrier Code	BLG/DE

IMO body BLG/SLF

No.	Instrument	Name	IMO body	Remarks
31	MSC/Circ.406/Rev.1	Guidelines on interpretation of the IBC and IGC Codes and guidelines for the uniform application of the survival requirements of the IBC and IGC Codes	BLG/SLF

IMO body BLG/SLF/DSC

No.	Instrument	Name	IMO body	Remarks
4	A.673(16)	Guidelines for the transport and handling of limited amounts of hazardous and noxious liquid substances in bulk in offshore support vessels, as amended by MSC.184(79) and MSC.236(82)	BLG/SLF/DSC

IMO body COMSAR

No.	Instrument	Name	IMO body	Remarks
32	A.525(13)	Performance standards for narrow-band direct printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Now in MSC.148(77), but still in force for equipment installed before 1 July 2005
33	A.530(13)	Use of radar transponders for search and rescue purposes	COMSAR
34	A.570(14)	Type approval of ship-earth stations	COMSAR
35	A.606(15)	Review and evaluation of the Global Maritime Distress and Safety System (GMDSS)	COMSAR	To be reviewed in parallel with the upcoming Review of the GMDSS
36	A.609(15)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling	COMSAR	1) Now in A.803 (19), but still in force for equipment installed before 23 November 1996 2) A.385(X) overtaken by time
37	A.610(15)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling	COMSAR	Now in A.804(19), but still in force for equipment installed before 23 November 1996
38	A.612(15)	Performance standards for float-free VHF emergency position-indicating radio beacons	COMSAR	Now in A.805(19), but still in force for equipment installed before 23 November 1996
39	A.613(15)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling	COMSAR	Now in A.806(19), but still in force for equipment installed before 23 November 1996
40	A.662(16)	Performance standards for float-free release and activation arrangements for emergency radio equipment	COMSAR
41	A.663(16)	Performance standards for INMARSAT standards-C ship-earth stations capable of transmitting and receiving direct-printing communications	COMSAR	Now in A.807(19), but still in force for equipment installed before 23 November 1996
42	A.664(16)	Performance standards for enhanced group call equipment	COMSAR	To be revised (Proposed in COMSAR 14/3/4)
43	A.696(17)	Type approval of satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating in the COSPAS-SARSAT system	COMSAR
44	A.698(17)	Performance standards for ship earth stations capable of two-way communications	COMSAR	Now A.808(19), but still in force for equipment installed before 23 November 1996
45	A.700(17)	Performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships (MS) by HF	COMSAR
46	A.701(17)	Carriage of Inmarsat enhanced group call SafetyNET receivers under the Global Maritime Distress and Safety System (GMDSS)	COMSAR	To be revised (Proposed in COMSAR 14/3/4)
47	A.702(17)	Radio maintenance guidelines for the Global Maritime Distress and Safety System (GMDSS) related to sea areas A3 and A4	COMSAR
48	A.705(17)	Recommendation on the promulgation of MSI as amended by MSC.1/Circ.1287	COMSAR
49	A.706(17)	World-wide navigation warning service, as amended by MSC.1/Circ.1288	COMSAR	MSC.1/Circ.1288 revokes MSC/Circ.685, MSC/Circ.750 and MSC/Circ.957
50	A.707(17)	Charges for distress, urgency and safety messages through the Inmarsat system	COMSAR
51	A.762(18)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Now in A.809(19), but still in force for equipment installed before 23 November 1996
52	A.763(18)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz	COMSAR	Now in A.810(19), but still in force for equipment installed before 23 November 1996
53	A.801(19)	Provision of radio services for the Global Maritime Distress and Safety System (GMDSS), as amended by MSC.199(80)	COMSAR
54	A.802(19)	Performance standards for survival craft radar transponders for use in search and rescue operations, as amended by MSC.247(83)	COMSAR
55	A.803(19)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.609(15)
56	A.804(19)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.610(15)
57	A.805(19	Performance standards for float-free VHF Emergency Position-Indicating Radio Beacons	COMSAR	Refer to remarks on A.612(15)
58	A.806(19)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.613(15)
59	A.807(19)	Performance standards for Inmarsat-C ship earth stations capable of transmitting and receiving direct-printing communications, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.663(16)
60	A.808(19)	Performance standards for ship-earth stations capable of two-way communications	COMSAR	Refer to remarks on A.698(17)
61	A.809(19)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Annex 1 revised by MSC.149(77) Refer to A.762(18)
62	A.810(19)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz, as amended by MSC.56(66) and MSC.120(74)	COMSAR	Refer to remarks on A.763(18)
63	A.811(19)	Performance standards for a shipborne integrated radiocommunication system (IRCS) when used in the GMDSS	COMSAR
64	A.814(19)	Guidelines for the avoidance of false distress alerts	COMSAR
65	A.887(21)	Establishment, updating and retrieval of the information contained in the registration databases for the Global Maritime Distress and Safety System (GMDSS)	COMSAR
66	A.894(21)	International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual, as amended by MSC/Circ.999, MSC/Circ.1044, MSC/Circ.1080, MSC/Circ.1124, MSC/Circ.1173, MSC.1/Circ.1181, MSC.1/Circ.1289 and MSC.1/Circ.1311	COMSAR
67	A.1001(25)	Criteria for the provision of mobile satellite communication systems in the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Revokes A.888(21) and MSC/Circ.1077
68	COM/Circ.105 and Corr.1	Clarification of certain provisions of the 1988 SOLAS amendments for the GMDSS	COMSAR
69	COM/Circ.108	GMDSS operating guidance for masters of ships in distress situation	COMSAR
70	COM/Circ.110 and Corr.1	Clarification of SOLAS regulations IV/6.1, IV/6.2.2 and IV/10.1.1.3	COMSAR
71	COM/Circ.117	Clarification of the application of certain provisions of chapter IV of the SOLAS Convention	COMSAR
72	COMSAR/Circ.13	Shore-to-ship communication during a distress	COMSAR
73	COMSAR/Circ.15	Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	Revokes COMSAR/Circ.4 To be deleted after 1 January 2011 (to be superseded by MSC.1/Circ.1310 from 1 January 2011) COM/Circ.124 overtaken by time
74	COMSAR/Circ.17	Recommendation on use of GMDSS equipment for non-safety communications	COMSAR
75	COMSAR/Circ.25	Procedure for responding to DSC distress alerts by ships	COMSAR	Revokes COMSAR/Circ.2 and COMSAR/Circ.21
76	COMSAR/Circ.27	Data format for a new combined SAR.2 and SAR.3 circular concerning information on the current availability of SAR services	COMSAR	To be revised (Proposed in COMSAR 14/6/2)
77	COMSAR/Circ.28	International NAVTEX service	COMSAR
78	COMSAR/Circ.29	Guidance for the Voluntary Use of the Standardized Questionnaires and Formats for Reporting False Alerts in Collecting Data on False Alerts	COMSAR
79	COMSAR/Circ.31	Guidance for Mass Rescue Operations	COMSAR
80	COMSAR/Circ.32	Harmonization of GMDSS requirements for radio installation on board SOLAS ships	COMSAR	COMSAR/Circ.16 overtaken by time
81	COMSAR/Circ.34	Clarification on the use of NAVTEX B3 B4 characters = 00 and NAVTEX service areas	COMSAR
82	COMSAR/Circ.35	Recommendations on MF/HF DSC test calls to coast stations	COMSAR
83	COMSAR/Circ.36	Broadcast of Warnings for Tsunamis and other natural disasters	COMSAR
84	COMSAR/Circ.37	Guidance on Minimum Communication Needs of Maritime Rescue Co-ordination Centres (MRCCs)	COMSAR
85	COMSAR/Circ.41	Analysis of maritime safety information promulgated via the EGC SafetyNET	COMSAR
86	COMSAR/Circ.45	Guidance on distress alerts	COMSAR
87	COMSAR/Circ.46	AIS safety-related messaging	COMSAR
88	MSC.80(70)	New performance standards for radiocommunication equipment	COMSAR
89	MSC.130(75)	Performance standards for INMARSAT ship-earth stations capable of two-way communication	COMSAR
90	MSC.131(75)	Maintenance of a continuous listening watch on the channel 16 by SOLAS ships whilst at sea and installation of VHF DSC facilities on non-SOLAS ships	COMSAR	Supersedes MSC.77(69)
91	MSC.148(77)	Revised performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Refer to remarks on A.525(13)
92	MSC.149(77)	Revised performance standards for survival craft portable two-way radiotelephone apparatus	COMSAR	As replacement for COMSAR/Circ.125
93	MSC.246(83)	Performance standards for AIS search and rescue transmitters (AIS-SART) for use in search and rescue operations	COMSAR	Installed on or after 1 January 2010
94	MSC/Circ.660	Proper use of lanyards attached to satellite EPIRBs	COMSAR
95	MSC/Circ.803	Participation of non-SOLAS ships in the GMDSS	COMSAR	MSC/Circ.469 overtaken by time
96	MSC/Circ.805	Guidance for the use of radio signals by ships under attack or threat of attack from pirates or armed robbers	COMSAR
97	MSC/Circ.862	Clarification of certain requirements in IMO performance standards for GMDSS equipment	COMSAR
98	MSC/Circ.883	Maritime safety and ship-earth station barring procedures	COMSAR
99	MSC/Circ.960	Medical assistance at sea	COMSAR
100	MSC/Circ.1038	Guidelines for general radiocommunications	COMSAR
101	MSC/Circ.1039	Guidelines for shore-based maintenance of satellite EPIRBs	COMSAR
102	MSC/Circ.1040	Guidelines on annual testing of 406 MHz satellite EPIRBs	COMSAR	Supersedes MSC/Circ.882
103	MSC/Circ.1079	Guidelines for preparing plans for cooperation between search and rescue services and passenger ships (in accordance with SOLAS regulation V/7.3)	COMSAR	MSC/Circ.864 and MSC/Circ.1000 overtaken by time
104	MSC/Circ.1105	Guidance on responsibility and liability issues related to the use of the emergency medical kit/bag and evaluation of its use in emergency incidents	COMSAR
105	MSC/Circ.1110	Matters related to SOLAS regulations XI-2/6 and XI-2/7	COMSAR
106	MSC/Circ.1122	The revised NAVTEX Manual	COMSAR
107	MSC/Circ.1129	Guidance on the establishment of medical and sanitation-related programmes for passenger ships	COMSAR
108	MSC/Circ.1172	Identification of passenger ships, other than ro-ro passenger ships, which should benefit from being equipped with the Emergency Medical Kit/bag (EMK)	COMSAR
109	MSC.1/Circ.1182	Guide to recovery techniques	COMSAR
110	MSC.1/Circ.1183	Guidelines on the provision of external support as an aid to incident containment for SAR Authorities and others concerned	COMSAR
111	MSC.1/Circ.1184	Enhanced contingency planning guidance for passenger ships operating in areas remote from SAR facilities	COMSAR
112	MSC.1/Circ.1186	Guidelines on training of SAR service personnel working in major incidents	COMSAR
113	MSC.1/Circ.1210	COSPAS-SARSAT International 406 MHz Beacon Registration Database	COMSAR
114	MSC.1/Circ.1218	Guidance on exchange of medical information between telemedical assistance services involved in international SAR operations	COMSAR
115	MSC.1/Circ.1248	Minimizing delays in search and rescue response to distress alerts	COMSAR
116	MSC.1/Circ.1249	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2008
117	MSC.1/Circ.1251	Guidelines on the control of ships in an emergency	COMSAR
118	MSC.1/Circ.1310	Revised Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	Supersedes COMSAR/Circ.15 and amendments come into force on 1 January 2011
119	MSC.1/Circ.1311	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2010

IMO body COMSAR

The amendments shows additions or changes to MSC.1/Circ.1371

No.	Instrument	Name	IMO body	Remarks
32	A.525(13)	Performance standards for narrow-band direct printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Now in MSC.148(77), but still in force for equipment installed before 1 July 2005
33	A.530(13)	Use of radar transponders for search and rescue purposes	COMSAR
34	A.570(14)	Type approval of ship-earth stations	COMSAR
35	A.606(15)	Review and evaluation of the Global Maritime Distress and Safety System (GMDSS)	COMSAR	To be reviewed in parallel with the upcoming Review of the GMDSS
36	A.609(15)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling	COMSAR	1) Now in A.803 (19), but still in force for equipment installed before 23 November 1996 2) A.385(X) overtaken by time
37	A.610(15)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling	COMSAR	Now in A.804(19), but still in force for equipment installed before 23 November 1996
38	A.612(15)	Performance standards for float-free VHF emergency position-indicating radio beacons	COMSAR	Now in A.805(19), but still in force for equipment installed before 23 November 1996
39	A.613(15)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling	COMSAR	Now in A.806(19), but still in force for equipment installed before 23 November 1996
40	A.662(16)	Performance standards for float-free release and activation arrangements for emergency radio equipment	COMSAR
41	A.663(16)	Performance standards for INMARSAT standards-C ship-earth stations capable of transmitting and receiving direct-printing communications	COMSAR	Now in A.807(19), but still in force for equipment installed before 23 November 1996
42	A.664(16)	Performance standards for enhanced group call equipment	COMSAR	Applies if installed before 1July 2012 (See MSC.306(87))
43	A.696(17)	Type approval of satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating in the COSPAS-SARSAT system	COMSAR
44	A.698(17)	Performance standards for ship earth stations capable of two-way communications	COMSAR	Now A.808(19), but still in force for equipment installed before 23 November 1996
45	A.700(17)	Performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships (MS) by HF	COMSAR
46	DELETED A.701(17)	Carriage of Inmarsat enhanced group call SafetyNET receivers under the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Obsolete as agreed by COMSAR 14 To be revised (Proposed in COMSAR 14/3/4)
47	A.702(17)	Radio maintenance guidelines for the Global Maritime Distress and Safety System (GMDSS) related to sea areas A3 and A4	COMSAR
48	A.705(17)	Recommendation on the promulgation of MSI as amended by MSC.1/Circ.1287	COMSAR
49	A.706(17)	World-wide navigation warning service, as amended by MSC.1/Circ.1288	COMSAR	MSC.1/Circ.1288 revokes MSC/Circ.685, MSC/Circ.750 and MSC/Circ.957
50	A.707(17)	Charges for distress, urgency and safety messages through the Inmarsat system	COMSAR
51	A.762(18)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Now in A.809(19), but still in force for equipment installed before 23 November 1996
52	A.763(18)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz	COMSAR	Now in A.810(19), but still in force for equipment installed before 23 November 1996
53	A.801(19)	Provision of radio services for the Global Maritime Distress and Safety System (GMDSS), as amended by MSC.199(80)	COMSAR
54	A.802(19)	Performance standards for survival craft radar transponders for use in search and rescue operations, as amended by MSC.247(83)	COMSAR
55	A.803(19)	Performance standards for shipborne VHF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.609(15)
56	A.804(19)	Performance standards for shipborne MF radio installations capable of voice communication and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.610(15)
57	A.805(19	Performance standards for float-free VHF Emergency Position-Indicating Radio Beacons	COMSAR	Refer to remarks on A.612(15)
58	A.806(19)	Performance standards for shipborne MF/HF radio installations capable of voice communication, narrow-band direct-printing and digital selective calling, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.613(15)
59	A.807(19)	Performance standards for Inmarsat-C ship earth stations capable of transmitting and receiving direct-printing communications, as amended by MSC.68(68)	COMSAR	Refer to remarks on A.663(16)
60	A.808(19)	Performance standards for ship-earth stations capable of two-way communications	COMSAR	Refer to remarks on A.698(17)
61	A.809(19)	Performance standards for survival craft two-way VHF radiotelephone apparatus	COMSAR	Annex 1 revised by MSC.149(77) Refer to A.762(18)
62	A.810(19)	Performance standards for float-free satellite Emergency Position-Indicating Radio Beacons (EPIRBs) operating on 406 MHz, as amended by MSC.56(66) and MSC.120(74)	COMSAR	Refer to remarks on A.763(18)
63	A.811(19)	Performance standards for a shipborne integrated radiocommunication system (IRCS) when used in the GMDSS	COMSAR
64	A.814(19)	Guidelines for the avoidance of false distress alerts	COMSAR
65	A.887(21)	Establishment, updating and retrieval of the information contained in the registration databases for the Global Maritime Distress and Safety System (GMDSS)	COMSAR
66	A.894(21)	International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual, as amended by MSC/Circ.999, MSC/Circ.1044, MSC/Circ.1080, MSC/Circ.1124, MSC/Circ.1173, MSC.1/Circ.1181, MSC.1/Circ.1289 and MSC.1/Circ.1311	COMSAR
67	A.1001(25)	Criteria for the provision of mobile satellite communication systems in the Global Maritime Distress and Safety System (GMDSS)	COMSAR	Revokes A.888(21) and MSC/Circ.1077
68	COM/Circ.105 and Corr.1	Clarification of certain provisions of the 1988 SOLAS amendments for the GMDSS	COMSAR
69	COM/Circ.108	GMDSS operating guidance for masters of ships in distress situation	COMSAR
70	COM/Circ.110 and Corr.1	Clarification of SOLAS regulations IV/6.1, IV/6.2.2 and IV/10.1.1.3	COMSAR
71	COM/Circ.117	Clarification of the application of certain provisions of chapter IV of the SOLAS Convention	COMSAR
72	COMSAR/Circ.13	Shore-to-ship communication during a distress	COMSAR
73	DELETED COMSAR/Circ.15	Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	See MSC.1/Circ.1310 Revokes COMSAR/Circ.4 To be deleted after 1 January 2011 (to be superseded by MSC.1/Circ.1310 from 1 January 2011) COM/Circ.124 overtaken by time
74	COMSAR/Circ.17	Recommendation on use of GMDSS equipment for non-safety communications	COMSAR
75	COMSAR/Circ.25	Procedure for responding to DSC distress alerts by ships	COMSAR	Revokes COMSAR/Circ.2 and COMSAR/Circ.21
76	DELETED COMSAR/Circ.27	Data format for a new combined SAR.2 and SAR.3 circular concerning information on the current availability of SAR services	COMSAR	See COMSAR.1/Circ.52 To be revised (Proposed in COMSAR 14/6/2)
77	COMSAR/Circ.28	International NAVTEX service	COMSAR
78	COMSAR/Circ.29	Guidance for the Voluntary Use of the Standardized Questionnaires and Formats for Reporting False Alerts in Collecting Data on False Alerts	COMSAR
79	COMSAR/Circ.31	Guidance for Mass Rescue Operations	COMSAR
80	COMSAR/Circ.32	Harmonization of GMDSS requirements for radio installation on board SOLAS ships	COMSAR	COMSAR/Circ.16 overtaken by time
81	DELETED COMSAR/Circ.34	Clarification on the use of NAVTEX B3 B4 characters = 00 and NAVTEX service areas	COMSAR	See MSC.1/Circ.1403
82	COMSAR/Circ.35	Recommendations on MF/HF DSC test calls to coast stations	COMSAR
83	COMSAR/Circ.36	Broadcast of Warnings for Tsunamis and other natural disasters	COMSAR
84	COMSAR/Circ.37	Guidance on Minimum Communication Needs of Maritime Rescue Co-ordination Centres (MRCCs)	COMSAR
85	COMSAR/Circ.41	Analysis of maritime safety information promulgated via the EGC SafetyNET	COMSAR
86	COMSAR/Circ.45	Guidance on distress alerts	COMSAR
87	COMSAR/Circ.46	AIS safety-related messaging	COMSAR
88	MSC.80(70)	New performance standards for radiocommunication equipment	COMSAR
89	MSC.130(75)	Performance standards for INMARSAT ship-earth stations capable of two-way communication	COMSAR
90	MSC.131(75)	Maintenance of a continuous listening watch on the channel 16 by SOLAS ships whilst at sea and installation of VHF DSC facilities on non-SOLAS ships	COMSAR	Supersedes MSC.77(69)
91	MSC.148(77)	Revised performance standards for narrow-band direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships	COMSAR	Refer to remarks on A.525(13)
92	MSC.149(77)	Revised performance standards for survival craft portable two-way radiotelephone apparatus	COMSAR	As replacement for COMSAR/Circ.125
93	MSC.246(83)	Performance standards for AIS search and rescue transmitters (AIS-SART) for use in search and rescue operations	COMSAR	Installed on or after 1 January 2010
94	MSC/Circ.660	Proper use of lanyards attached to satellite EPIRBs	COMSAR
95	MSC/Circ.803	Participation of non-SOLAS ships in the GMDSS	COMSAR	MSC/Circ.469 overtaken by time
96	MSC/Circ.805	Guidance for the use of radio signals by ships under attack or threat of attack from pirates or armed robbers	COMSAR
97	MSC/Circ.862	Clarification of certain requirements in IMO performance standards for GMDSS equipment	COMSAR
98	MSC/Circ.883	Maritime safety and ship-earth station barring procedures	COMSAR
99	MSC/Circ.960	Medical assistance at sea	COMSAR
100	MSC/Circ.1038	Guidelines for general radiocommunications	COMSAR
101	MSC/Circ.1039	Guidelines for shore-based maintenance of satellite EPIRBs	COMSAR
102	MSC/Circ.1040	Guidelines on annual testing of 406 MHz satellite EPIRBs	COMSAR	Supersedes MSC/Circ.882
103	MSC/Circ.1079	Guidelines for preparing plans for cooperation between search and rescue services and passenger ships (in accordance with SOLAS regulation V/7.3)	COMSAR	MSC/Circ.864 and MSC/Circ.1000 overtaken by time
104	MSC/Circ.1105	Guidance on responsibility and liability issues related to the use of the emergency medical kit/bag and evaluation of its use in emergency incidents	COMSAR
105	MSC/Circ.1110	Matters related to SOLAS regulations XI-2/6 and XI-2/7	COMSAR
106	MSC/Circ.1122	The revised NAVTEX Manual	COMSAR
107	MSC/Circ.1129	Guidance on the establishment of medical and sanitation-related programmes for passenger ships	COMSAR
108	MSC/Circ.1172	Identification of passenger ships, other than ro-ro passenger ships, which should benefit from being equipped with the Emergency Medical Kit/bag (EMK)	COMSAR
109	MSC.1/Circ.1182	Guide to recovery techniques	COMSAR
110	MSC.1/Circ.1183	Guidelines on the provision of external support as an aid to incident containment for SAR Authorities and others concerned	COMSAR
111	MSC.1/Circ.1184	Enhanced contingency planning guidance for passenger ships operating in areas remote from SAR facilities	COMSAR
112	MSC.1/Circ.1186	Guidelines on training of SAR service personnel working in major incidents	COMSAR
113	MSC.1/Circ.1210	COSPAS-SARSAT International 406 MHz Beacon Registration Database	COMSAR
114	MSC.1/Circ.1218	Guidance on exchange of medical information between telemedical assistance services involved in international SAR operations	COMSAR
115	MSC.1/Circ.1248	Minimizing delays in search and rescue response to distress alerts	COMSAR
116	MSC.1/Circ.1249	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2008
117	MSC.1/Circ.1251	Guidelines on the control of ships in an emergency	COMSAR
118	MSC.1/Circ.1310	Revised Joint IMO/IHO/WMO Manual on Maritime Safety Information (MSI)	COMSAR	Supersedes COMSAR/Circ.15 and amendments come into force on 1 January 2011
119	MSC.1/Circ.1311	Amendments to the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual	COMSAR	Entry into force on 1 June 2010
	MSC.306(87)	Revised performance standards for enhanced group call (EGC) equipment	COMSAR	Applies if installed on or after 1July 2012
	COMSAR.1/Circ.49	List of LAND EARTH STATION (LES) operation coordinators in the INMARSAT system	COMSAR	Supersedes COMSAR.1/Circ.48
	COMSAR.1/Circ.50	Distress priority communications for RCC from shore to ship via INMARSAT	COMSAR	Supersedes COMSAR.1/Circ.47
	COMSAR.1/Circ.51/Rev.2	List of NAVAREA Coordinators	COMSAR	Supersedes COMSAR.1/Circ.51/Rev.1
	COMSAR.1/Circ.52	Questionnaire on the availability of Search And Rescue (SAR) services	COMSAR	Supersedes COMSAR/Circ.27
	MSC.1/Circ.1364	Revised International SafetyNET Manual	COMSAR	Supersedes MSC/Circ.1064 and replaces the existing text of International SafeNET Manual