General Navigation USCG Question #838 (Set 27)

A ship is on course 195° at a speed of 15 knots. The apparent wind is from 40° on the port bow, speed 30 knots. The direction and speed of the true wind are __________.

Official USCG Answer & Rule Citation

Correct Answer: Option B — 127°T, 21 knots

Vector addition using ship's course/speed and apparent wind components resolves true wind direction to 127°T at 21 knots, complying with Bowditch relative motion problem-solving methods.

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