Question 580Navigation General

70% to pass

What is the compass course of a vessel heading SW?

A 202.5°
B 225.0°
C 247.5°
D 270.0°
AI Explanation

The correct answer is B) 225.0°. The compass course of a vessel heading SW (southwest) is 225.0°. This is because the southwest direction falls between the cardinal directions of south (180°) and west (270°), and the midpoint between these two directions is 225.0°. The other options are incorrect because: A) 202.5° is too far to the south, C) 247.5° is too far to the west, and D) 270.0° is directly west, not southwest.

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Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG National Maritime Center
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