Safety, Fire & Survival · Distress Signals
A continuous sounding of any fog-signal apparatus is recognized as:
- AA distress signal✓ Correct
- BA signal to alter course to starboard
- CAn anchored-vessel signal
- DA request for a pilot
Explanation
Annex IV lists the recognized distress signals; a continuous sounding of any fog-signalling apparatus is one of them. Others include flames on the vessel, red flares/rockets, an orange smoke signal, the SOS Morse signal, and the square-flag-and-ball shape.
Authority: Navigation Rules Annex IV (distress signals)
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