Navigation Problems USCG Question #34 (Set 1)

You are steering 154° per gyrocompass. The wind is northeast by east, causing 4° leeway. The gyro error is 3° east, variation is 11° west, and deviation is 7°E. What is the true course made good?

Official USCG Answer & Rule Citation

Correct Answer: Option C — 161°T

Applying compass error corrections using the mnemonic 'Can Dead Men Vote Earnest Votes Against Slavery' (Compass, Deviation, Magnetic, Variation, True, Easterly add, Westerly subtract), combined with leeway applied into the wind, results in a true course made good of 161°T.

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