From your 1930 position, you plot a course to pass 0.5 mile due south of Race Rock Light. If your vessel's speed is 10.0 knots, the current's set and drift are 040°T at 1.8 knots, and a north wind produces a 3° leeway, what true course should you steer to make good your desired course?

300°T

295°T

290°T

280°T ✓ Correct Answer

USCG NMC Regulatory Explanation

Speed Over Ground (Speed Made Good) is determined by vector calculation combining vessel speed through the water with the current set and drift, resulting in: 280°T.

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From your 1930 position, you plot a course to pass 0.5 mile due south of Race Rock Light. If your vessel's speed is 10.0 knots, the current's set and drift are 040&#176;T at 1.8 knots, and a north wind produces a 3&#176; leeway, what true course should you steer to make good your desired course?

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