Question 456Rules of the Road90% to pass
INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown in illustration D042RR below. Vessel "A" sounds one short blast of the whistle. What signal should vessel "B" sound?
AI Explanation
The correct answer is D) None of the above.
The reason is that the given situation describes a crossing situation under the International Regulations for Preventing Collisions at Sea (COLREGS), where vessel "A" is the stand-on vessel and vessel "B" is the give-way vessel. In this case, vessel "B" is not required to sound any whistle signal. The proper action for vessel "B" is to take early and substantial action to keep well clear of vessel "A", as per Rule 16 of the COLREGS, and not to sound any whistle signals.
The other answer choices are incorrect because they do not match the proper response for the given crossing situation under the COLREGS.
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