Question 1365Navigation General

70% to pass

You are on course 030°T. The relative bearing of a lighthouse is 45°. What is the true bearing?

A 255°
B 015°
C 345°
D 075°
AI Explanation

The correct answer is D) 075°. The true bearing of the lighthouse can be calculated by adding the course (030°T) and the relative bearing (45°). This gives us a true bearing of 075°. The other answer choices are incorrect because: A) 255° is 180° off from the correct answer. B) 015° is the reciprocal of the course, not the true bearing. C) 345° is the complement of the relative bearing, not the true bearing.

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