Question 981 Rules of the Road

90% to pass

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

A A bell signal
B A gong signal
C A whistle signal
D All of the above are optional.
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 in restricted visibility is required to make the following sound signals: - A bell signal (answer A is incorrect) - A gong signal (answer B is incorrect) The whistle signal, however, is optional in this situation. Therefore, answer C is the correct choice. The other options (A, B, and D) are incorrect because the bell and gong signals are mandatory, not optional, for a vessel aground in restricted visibility.

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