Question 211Navigation General

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In illustration D044NG below, a pillar buoy is indicated by which letter?

Diagram for USCG Navigation General: In illustration D044NG below, a pillar buoy is indicated by which letter?
A A
B B
C C
D D
AI Explanation

The correct answer is C. In illustration D044NG, the pillar buoy is indicated by the letter C. This is based on the standard buoyage system used by the United States Coast Guard, where pillar buoys are typically marked with the letter C. The other answer choices are incorrect because A and B do not correspond to pillar buoys, and D is not indicated in the illustration.

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