Question 730Navigation General

70% to pass

Your vessel is participating in the Voluntary Observing Ship Program, you are preparing WS Form B-80 as seen in illustration D041NG below. The sky is overcast, and the anemometer indicates that the apparent wind is from 144° relative at 8 knots. You are on course 162°T at 15 knots. How should you encode group Nddff?

Diagram for USCG Navigation General: Your vessel is participating in the Voluntary Observing Ship Program, you are...
A 91521
B 01615
C 83322
D 81408
AI Explanation

The correct answer is C) 83322. To encode group Nddff, we need to follow the rules for the Voluntary Observing Ship Program and the WS Form B-80. For the given information: - The apparent wind is from 144° relative at 8 knots. - The vessel is on course 162°T at 15 knots. The correct encoding for Nddff is 83322, where: - N = 8 (wind direction from 144° relative) - dd = 33 (wind direction 144°) - ff = 22 (wind speed 8 knots) The other options are incorrect because they do not properly encode the given wind direction and speed information.

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Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG National Maritime Center
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