General Navigation USCG Question #2139 (Set 65)

You are enroute to assist vessel A. Vessel A is underway at 4.5 knots on course 233°T, and bears 264°T at 68 miles from you. What is the course to steer and running time at 13 knots to intercept vessel A?

Official USCG Answer & Rule Citation

Correct Answer: Option B — 254°, 7h 37m

Constructing a relative motion triangle using target course, speed, initial range, and bearing determines the required intercept course of 254°T and a running time of 7 hours 37 minutes at 13 knots, following standard Bowditch navigation practices.

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