You are on course 357°T and take a relative bearing of a lighthouse of 180°. What is the true bearing to the lighthouse?
Official USCG Answer & Rule Citation
Correct Answer: Option D — 177°
Applying the navigational conversion formula TB = TC + RB, adding the true course of 357° to the 180° relative bearing yields 537°. Subtracting 360° for a full circle results in a true bearing of 177°.
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