Navigation Problems USCG Question #1822 (Set 54)

You are on course 035°T, speed 18.3 knots. At 0719 you see a buoy bearing 036°T at a range of 4.1. If you change course at 0725 to leave the buoy abeam to port at 1.0 mile, at what time will the buoy be abeam?

Official USCG Answer & Rule Citation

Correct Answer: Option C — 0732

Determine the position at 0725 after a 6-minute run at 18.3 knots (1.83 miles). Using the relative bearing and range, calculate the remaining distance to the abeam point. At 18.3 knots, the transit time for the remaining distance leads to the buoy being abeam at 0732.

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