Question 134 Deck Safety

70% to pass

A distress frequency used on radiotelephone is _______________.

A 400 kilohertz
B 2182 kilohertz
C 2728 kilohertz
D 8221 kilohertz
AI Explanation

The correct answer is B) 2182 kilohertz. This is the internationally recognized radiotelephone distress frequency, as specified in maritime regulations and standards. Vessels in distress can use this frequency to broadcast a mayday call to alert nearby ships and the Coast Guard to their emergency situation. The other answer choices are incorrect because they do not correspond to the established distress frequency. 400 kHz, 2728 kHz, and 8221 kHz are not the designated radiotelephone distress frequencies used in maritime communications.

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