USCG USCG NAV
Set 7 • Question #183 of 247
Launch Interactive Practice Room At 0845, you are on a course of 097°T, and Townshend Ledge Buoy "10A" is close abeam to port. With a westerly current of 1.2 knots, what speed will you have to turn for from your 0845 position in order to arrive abeam of Six Mile Reef Buoy "8C" at 1030?
A
12.1 knots
B
10.9 knots
✓ Correct Answer
C
9.7 knots
D
8.5 knots
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: 10.9 knots.
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