A vessel heading NNW is on a course of __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — 337.5°
The compass card is divided into 360 degrees. North is 000°, East is 090°, South is 180°, and West is 270°. NNW lies halfway between North (000°) and Northwest (315°). Calculating the midpoint (000 + 315) / 2 yields 337.5°, which is the standard bearing for a NNW heading.
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