Deck Navigation (Supplementary) USCG Question #776 (Set 2)

You are enroute to assist vessel A. Vessel A is underway at 6 knots on course 133°T, and bears 343°T at 92 miles from you. What is the course to steer at 9 knots to intercept vessel A?

Official USCG Answer & Rule Citation

Correct Answer: Option D — 003°

This is a classic relative motion intercept problem. By plotting the target's movement and your own speed vector, you determine the required course to close the distance. Using the law of sines or a maneuvering board, the calculated course to steer to intercept the target is 003 degrees true.

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