Safety, Fire & Survival · Distress Signals — Recognized
Under COLREGS Annex IV, which of the following is a recognized distress signal?
- AContinuous sounding of any fog-signaling apparatus✓ Correct
- BA single white flare
- CTwo prolonged blasts
- DA green star shell
Explanation
Continuous sounding of any fog-signaling apparatus is a recognized distress signal, as are SOS by any method, MAYDAY by radio, the NC flag hoist, a square flag with a ball, flames on the vessel, red rockets/flares, and orange smoke.
Authority: COLREGS, Annex IV (Distress Signals)
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