563 Unification of ARPA Symbols ( SOLAS reg. V/12 ) - Netherlands Regulatory Framework (NeRF)

1 At the request of the fifty-ninth session (13 to 24 May 1991) of the Maritime Safety Committee (MSC 59/33, paragraph 10.19), the attention of Member Governments is invited to appendix E to "IEC publication 872 - Marine Automatic Radar Plotting Aids (ARPAs)" annexed, and to the need for standardization of ARPA symbols and control names.

2 Member Governments are invited to ensure that:

.1 their type-approval procedures for ARPAs include evaluation of their compliance with the appropriate IEC standards; and

.2 as soon as practicable and not later than 1 July 1993, new ARPAs being type approved use the IEC standard symbols and control names.

ARPA VIDEO SYMBOLS AND CONTROL NAMES AND RECOMMENDED CODE OF PRACTICE

Subject : Unification of ARPA symbols.

This document quotes the Annex to MSC/Circ.563.

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Annex International electrotechnical commision technical committee No 80: Navigational Instruments

IEC 872 : MARINE AUTOMATIC RADAR PLOTTING AIDS (ARPA)

APPENDIX E : ARPA video symbols and control names and recommended code of practice.

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Appendix E to IEC 872 ARPA VIDEO SYMBOLS

E.1
IMO Resolution A.422(XI) requires that certain indications and warnings be given on an ARPA for anti-collision purposes. ARPA Video symbols 1 to 12, illustrated in ANNEX 1, shall be used to conform with these IMO mandatory requirements.

E.2
Other symbols may be used for other anti-collision or navigational functions provided they do not conflict with the symbols 1 to 12 in ANNEX 1. The use of these other symbols shall be limited to ensure that they do not obscure the anti-collision requirements of the ARPA.

E.3
For the three warning alarm symbols (Symbols 7,8 and 9) the following priorities shall be used:

3.1 An unacknowledged warning alarm is always a higher priority than an acknowledged warning alarm;

3.2 CPA/TCPA warning has a higher priority than a target entering guard zone alarm;

3.3 A Guard zone warning has a higher priority than a Lost target warning. ARPA CONTROL NAMES

E.4
The names indicated shall be used to describe ARPA controls.

E.5
If the ARPA has any of the 23 radar display controls of IMO Resolution A.278(VIII), then those radar display names shall be used on the ARPA.

E.6
Abbreviations of names may be used.

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