A high-intensity white light used as a distress signal must flash at regular intervals of how many times per minute?

A. 30 to 50 times per minute
B. 40 to 60 times per minute
✓ 50 to 70 times per minuteCorrect
D. 60 to 80 times per minute

Why C is correct

33 CFR §87.01(p) states the high-intensity white light must flash at regular intervals from 50 to 70 times per minute to qualify as a recognized distress signal.

Cited:33 CFR §87.01

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