Question 368 Deck Safety

70% to pass

The color of the signal flare sent up by a submarine to indicate an emergency is _______________.

A green
B yellow
C white
D red
AI Explanation

The correct answer is D) red. According to the United States Coast Guard regulations, the color of the signal flare sent up by a submarine to indicate an emergency is red. This is specified in the International Code of Signals, which is the standard set of maritime communication signals used globally. The red flare is a universally recognized distress signal that alerts nearby vessels and search and rescue authorities to the emergency situation. The other answer choices (green, yellow, and white) are incorrect because they do not correspond to the established emergency signal protocol for submarines.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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