Navigation Problems USCG Question #920 (Set 27)

While on course 321°pgc with a 1°W gyro error, you pick up a buoy on radar bearing 001° relative at 5.2 miles. What will be the course to pass the buoy by 1 mile abeam to starboard, if you change course when the buoy is 4.5 miles away?

Official USCG Answer & Rule Citation

Correct Answer: Option A — 310°pgc

Under USCG National Maritime Center examination standards, the accepted correct answer is: 310°pgc.

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