1 TheportStatecontrolofficer(PSCO)shouldbeawarethattherequirementsofCASapplyto single-hull oil tankers as follows:
.1 oiltankersof5,000tonsdeadweightandaboveandof15yearsandoverafterdateof delivery of the ship, in accordance with regulation 13G(6);*
.2 oiltankerssubjecttotheprovisionsofregulation13G(7),whereauthorizationis requestedforcontinuedservicebeyondtheanniversaryofthedateofdeliveryofthe ship in 2010; and
.3 oiltankersof5,000tonsdeadweightandaboveandof15yearsandoverafterdateof deliveryoftheship,carryingcrudeoilascargohavingadensityat15ºChigherthan
900 kg/m3 but lower than 945 kg/m3, in accordance with regulation 13H(6)(a).
Determination of CAS applicability
2 InordertodeterminewhethertheCASrequirementsapplytoaparticularoiltanker,the PSCO should check Form B of the Supplement to the International Oil Pollution Prevention Certificateand,basedoninformationcontainedtherein,determineiftheoiltankercomplieswith regulation 13F or 13G(1)(c). CAS is not required if:
.1 the oil tanker complies with either regulation; or
.2 the oil tanker is less than 5,000 tons deadweight.
Iftheoiltankercomplieswithneitherregulationanditis5,000tonsdeadweightandabove,thenthe ship's age should be determined based on the delivery date indicated in the Form B of the Supplement to the International Oil Pollution Prevention Certificate.
Determination of compliance date
3 InordertodeterminewhenCAScomplianceisrequiredforaparticularoiltanker,thePSCO shouldnotethat,foroiltankersof15yearsofageormoreon5April2005,CASisduebythefirst intermediateorrenewalsurveydueonorafter5April2005. TodeterminewhenCASisrequired, review the endorsement date for the intermediate survey on the SOLAS Cargo Ship Safety Certificate, or the SOLAS Safety Construction Certificate, as appropriate:
4th anniversary date to the expiry date).
survey on 5 April 2005, then CAS is due at the next intermediate survey
(i.e., 3 months prior to the 2nd anniversary date to 3 months after the 3rd anniversary date).
However,forthoseoiltankerswhichhavebeenallowedcontinuedoperationundertheprovisionsof regulation13G(7),CASisduebythefirstintermediateorrenewalsurveyscheduledpriortothe anniversary date of the ship in 2010.
4 For oil tankers of less than 15 years of age on 5 April 2005, CAS is due by the first intermediate or renewal survey carried out after 15 years of age. Todetermine when CAS is requiredreviewtheendorsementdatefortheintermediatesurveyontheSOLASCargoShipSafety Certificate or the SOLAS Safety Construction Certificate, as appropriate:
.1 IftheSOLAScertificate'sendorsementdatefortheintermediatesurveyisbeforethe oil tanker is 15 years of age, then CAS is due at the next renewal survey
(i.e., 3 months prior to the 4th anniversary date to the expiry date).
.2 IftheSOLAScertificatedoesnotindicateanyendorsementfortheintermediate surveybythedateonwhichtheoiltankeris15yearsofage,thenCASisdueatthe nextintermediatesurvey(i.e.,3monthspriortothe2ndanniversarydateto3months after the 3rd anniversary date).
5 Foroiltankersoperatingundertheprovisionsofregulation13H(6)(a)(carriageofcrudeoil havingadensityat15ºChigherthan900kg/m3 butlowerthan945kg/m3),CASisduebythefirst intermediate or renewal survey carried out after 5 April 2005.
6 Theanniversarydateisthedayandmonthofeachyearwhichcorrespondstothedateof expiry of the above-mentioned SOLAS certificate.
7 IftheCASduedatehaspassed,thePSCOshouldcheckforaCASStatementofCompliance issuedbytheAdministrationoranInterimStatementofComplianceissuedbytheRecognized Organization.
8 Inanycase,itisrecommendedthatthePSCOconsulttheIMOdatabaseforCASthatwas developedinaccordancewithsection14ofCAS. ThedatabasecanbeaccessedbyPartiesto MARPOL 73/78 at http://gisis.imo.org/Members following the procedure detailed in MEPC/Circ.436 of 24 March 2005.