Question 978 Rules of the Road

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BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?

A A bell signal
B A gong signal
C A whistle signal
D All of the above are mandatory.
AI Explanation

The correct answer is C) A whistle signal. According to the International Regulations for Preventing Collisions at Sea (COLREGS), a vessel that is aground must sound the appropriate sound signals, which include a bell and a gong signal. However, the whistle signal is optional in this situation, as it is not explicitly required by the regulations for a vessel that is aground. The other options, A) a bell signal and B) a gong signal, are mandatory for a vessel that is aground, as per the COLREGS. Option D) is incorrect because the whistle signal is not mandatory in this scenario.

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