E


4 ALBERT EMBANKMENT LONDON SE1 7SR

Telephone: +44 (0)20 7735 7611 Fax: +44 (0)20 7587 3210


MSC.1/Circ.1658

28 November 2022


GUIDANCE ON DISTRESS ALERTS


  1. The Maritime Safety Committee, at its 106th session (2 to 11 November 2022), approved the revised Guidance on distress alerts, as set out in the annex, prepared by the Sub-Committee on Navigation, Communications and Search and Rescue (NCSR), at its ninth session (21 to 30 June 2022).


  2. This circular describes the operating procedure for a distress alert, in accordance with chapter IV of the International Convention for the Safety of Life at Sea, 1974.


  3. Member Governments are invited to bring the annexed Guidance to the attention of their shipowners, seafarers and all other parties concerned.


  4. This circular becomes effective on 1 January 2024, superseding COMSAR/Circ.45 as from that date.


***


MSC.1/Circ.1658

Annex, page 1


ANNEX


GUIDANCE ON DISTRESS ALERTS


COVER

LIFT COVER



DISTRESS

PRESS RED BUTTON

until acoustic and light-indication becomes steady

(more than 3 seconds) Use the HANDSET for voice calling


MAYDAY-MAYDAY-MAYDAY

THIS IS


NAME – NAME – NAME


CALL SIGN

or other IDENTIFICATION


MMSI

(if the initial alert is sent by DSC)


OWN ID


SHIP'S NAME: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ CALL SIGN: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ MMSI: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _


MAYDAY

NAME of the VESSEL in distress

CALL SIGN or the IDENTIFICATION

MMSI

(if the initial alert is sent by DSC)

POSITION

Given as latitude and longitude

or

If latitude and longitude are not known or if the time is insufficient,

in relation to a known geographical location

NATURE of distress

Kind of ASSISTANCE required Any other useful INFORMATION


DISTRESS and COMMUNICATION FREQUENCIES



DSC

Radiotelephony

VHF

Channel 70

Channel 16

MF

2 187.5 kHz

2 182 kHz

HF4

4 207.5 kHz

4 125 kHz

HF6

6 312.0 kHz

6 215 kHz

HF8

8 414.5 kHz

8 291 kHz

HF12

12 577.0 kHz

12 290 kHz

HF16

16 804.5 kHz

16 420 kHz

Remember to use the correct HF procedures. Do not forget, your EPIRB is the secondary means of alerting