Question 565 Rules of the Road

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BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 15 meters in length?

A Bell only
B Whistle only
C Whistle, bell, and gong
D Whistle and bell only
AI Explanation

The correct answer is B) Whistle only. According to the regulations for vessels 15 meters in length or more, the required fog signal equipment is a whistle. This is specified in both the International Regulations for Preventing Collisions at Sea (COLREGS) and the Inland Navigation Rules. Vessels of this size are not required to have a bell or gong for fog signals. The other options are incorrect because a bell or gong is not mandated for a 15-meter vessel, and the combination of a whistle, bell, and gong is only required for larger vessels.

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Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG Navigation Center
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