Navigation Problems USCG Question #466 (Set 13)

You are steering 154°pgc. The wind is southwest causing 4° leeway. The gyro error is 3°E, variation is 11°W and deviation is 7°E. What is the true course made good?

Official USCG Answer & Rule Citation

Correct Answer: Option A — 153°T

Convert 154°pgc to true: 154°pgc + 3°E error = 157°T. Apply 7°E deviation and 11°W variation (net 4°W) to get 153°T. A SW wind pushes the vessel 4° to the NE, but the question asks for the course made good, which remains 153°T.

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