Question 987 Rules of the Road

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BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel being towed, if manned, is required to sound which signal?

A One prolonged and two short blasts
B One prolonged and three short blasts
C Two short blasts
D Three short blasts
AI Explanation

The correct answer is B) One prolonged and three short blasts. This is the correct answer because under both the International and Inland Navigation Rules, a vessel being towed, if manned, is required to sound this signal in restricted visibility. The Inland Navigation Rules, Rule 35(c), and the International Regulations for Preventing Collisions at Sea, Rule 35(c), both specify this signal for a manned vessel being towed. The other options are incorrect because they do not match the signal required by the rules for a manned vessel being towed in restricted visibility.

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