USCG USCG NAV
Set 2 • Question #41 of 247
Launch Interactive Practice Room The river will be temporarily closed to navigation at mile 531.3 AHP due to repairs to the bridge. This will occur at 1300, 5 January, and last for six hours. What minimum speed over the ground must you make from Red River Landing Gage in order not to be delayed?
A
7.3 mph
B
6.8 mph
C
6.4 mph
✓ Correct Answer
D
6.0 mph
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: 6.4 mph.
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