MSC.1-Circ.1657？-？Procedure？for？responding？to？DSC？distress？alerts？by？ships

INTERNATIONALEMARITIMEORGANIZATION4 ALBERT EMBANKMENTLONDON SE1 7SRTelephone:+44(0)2077357611Fax:+44(0)2075873210MSC.1/Circ.165728 November 2022PROCEDURE FOR RESPONDING TO DSC DISTRESS ALERTS BY SHIPS1The Maritime Safety Committee,at its 106th session (2 to 11 November 2022),approved the revised Procedure for responding to DSC distress alerts by ships,as set out inthe annex,prepared by the Sub-Committee on Navigation,Communications and Search andRescue (NCSR),at its ninth session(21 to 30 June 2022).2This circular contains a procedure to be followed by radio personnel on board shipswhen responding to VHF,MF and HF distress alerts,in accordance with chapter IV of theInternational Convention for the Safety of Life at Sea,1974.Flow diagrams 1 and 2 in theannex are recommended to be displayed on ships'bridges as A4 size posters.3Member Governments are invited to bring the annexed Procedure to the attention ofseafarers and all other parties concerned.4This circular becomes effective on 1 January 2024,superseding COMSAR/Circ.25as from that date.★转女I:CIRCMSC1MSC.1-Circ.1657.docxNEW TECHNOLDGIESGREENERSHIPPING