Distress Signal
A method by which a ship at sea can summon assistance. Distress signals are fixed by custom and by internationally agreed-on rules of the road at sea. The most important are: (1) visual signals, such as a flame, a red flare, an orange smoke signal, or a square flag displayed with a ball below; (2) sound signals, such as a gun or rocket fired at regular intervals, or a continuous sounding
posted by FrequentBird @ 5:22 AM
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