USCG USCG NAV
Set 4 • Question #107 of 247
Launch Interactive Practice Room At 1710 on 27 November, you are abeam of Kings Point Lt. (mile 439.8 AHP). At this time you receive a message that there will no be space for you at the Redneb Services Dock until after 1200 on the 29 November. What speed over the ground will you have to slow to so as not to arrive before this time?
A
5.4 mph
B
6.1 mph
C
6.9 mph
D
7.9 mph
✓ Correct Answer
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: 7.9 mph.
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