Statutory Documents - MCA Publications - LY2 - The Large Commercial Yacht Code - 16 Radio - 16.2 Radio communications: The Global Marine Distress and Safety System (GMDSS) - 16.2.6 Watches
16.2.6 Watches
16.2.6.1 A vessel, while at sea, should maintain a continuous watch:
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.1 where practicable, on VHF Channel 16;
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.2 where practicable, on VHF Channel 13;
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.3 on VHF Digital Selective Calling (DSC), on channel 70;
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.4 if fitted with an MF/HF radiotelephone, on the distress and safety DSC frequency 2187.5kHz;
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.5 for satellite shore-to-ship distress alerts, if fitted, with a radio facility for reception of maritime safety information by the INMARSAT enhanced group calling system;
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.6 for broadcasts of maritime safety information on the appropriate frequency or frequencies on which such information is broadcast for the area in which the vessel is navigating; normally using the International NAVTEX service or INMARSAT's enhanced group calling facility. (Further information may be obtained from the Admiralty List of Radio Signals volume 5.)
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