Question 487Rules of the Road90% to pass
BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown in illustration D051RR below, one point on the port bow. What direction could this vessel be heading?
AI Explanation
The correct answer is A) NW.
The lights shown in illustration D051RR represent the navigation lights of a vessel heading in a northwesterly direction. According to the International and Inland Rules of the Road, when viewing these navigation lights from one point on the port bow (i.e., 1 point off the port bow), the vessel must be heading in a northwesterly direction.
The other options are incorrect because a vessel with these navigation lights would not be heading in a southeasterly (B), southwesterly (C), or northeasterly (D) direction when viewed from one point on the port bow.
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