Circular
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Statutory Documents - IMO Publications and Documents - Circulars - Safety of Navigation - Circular SN.1/Circ.243/Rev.1 – Amended Guidelines for the Presentation of Navigational-Related Symbols, Terms and Abbreviations – (23 May 2014) - Circular

Circular

 SN.1/Circ 243/Rev.1 applies to:

1) Radar equipment, ECDIS & INS installed before 1 Jan 2024

2) All other navigation display equipment installed before 1 July 2025

1 The Maritime Safety Committee, at its seventy-ninth session (December 2004), approved Guidelines for the presentation of navigational-related symbols, terms and abbreviations (SN/Circ.243) prepared by the Sub-Committee on Safety of Navigation (NAV), at its fiftieth session (July 2004) and encouraged their use for all shipborne navigational systems and equipment.

2 The Maritime Safety Committee, at its eighty-fifth session (26 November to 5 December 2008), approved the amendment to the Guidelines for the presentation of navigation-related symbols, terms and abbreviations (SN.1/Circ.243/Add.1) regarding an addition to table 3 of the appendix to annex 1 of the Guidelines for the presentation of navigation-related symbols, terms and abbreviations (SN/Circ.243), introducing a new symbol for AIS Search and Rescue Transmitter (AIS-SART) prepared by the Sub-Committee on Safety of Navigation (NAV), at its fifty-fourth session (July 2008).

3 The Sub-Committee on Safety of Navigation (NAV), at its fifty-ninth session (2 to 6 September 2013), agreed on improved symbols for portrayal of AIS Aids to Navigation (AIS AtoN) in annexed new tables 4.1, 4.2 and 4.3 for the replacement of existing symbols for AIS-based AtoN in existing table 4 of annex 1 of the Guidelines for the presentation of navigation-related symbols, terms and abbreviations (SN/Circ.243).

4 The Maritime Safety Committee, at its ninety-third session (14 to 23 May 2014), concurred with the Sub-Committee's views, and approved the amended Guidelines for the presentation of navigation-related symbols, terms and abbreviations, as set out in the annex.

5 Member Governments are invited to bring the amended Guidelines for the presentation of navigation-related symbols, terms and abbreviations to the attention of all parties concerned.

6 This circular revokes SN/Circ.243 and SN.1/Circ.243/Add.1.

Parent topic: Circular SN.1/Circ.243/Rev.1 – Amended Guidelines for the Presentation of Navigational-Related Symbols, Terms and Abbreviations – (23 May 2014)
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