What is the compass course of a vessel heading NW?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 315.0°
A compass card is divided into 32 points, each representing 11.25 degrees. North is 000°, East is 090°, South is 180°, and West is 270°. Northwest (NW) is the midpoint between North and West, calculated as 270° plus 45°, resulting in a heading of 315.0°.
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