USCG USCG NAV
Set 1 • Question #21 of 247
Launch Interactive Practice Room The Red River Landing Gage reads 5.2 feet. The Low Water Reference Plane for the Red River is 10.6 ft. Which of the following statements is TRUE?
A
The depth over revetment at Old River is 25.2 feet.
B
River level is below the Low Water Reference Plane
✓ Correct Answer
C
The depth over Old River Lock sill is greater than 11 ft.
D
This gage reading is at a higher elevation than the same reading on the Gage at Head of Passes.
USCG NMC Regulatory Explanation
In practical navigation calculations and chart plotting regarding 'The Red River Landing Gage reads 5.2 feet. The Low Water Reference Plane for the Red River is 10.6 ft. Which of the following statements is TRUE', the calculated solution is: 'River level is below the Low Water Reference Plane'.
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