Deck Navigation (Supplementary) USCG Question #464 (Set 1)

A large automated navigational buoy, such as those that have replaced some lightships, would be shown on a chart by which symbolin illustration D015NG below?

USCG Exam Illustration D015NG
USCG Examination Diagram: Illustration D015NG
Official USCG Answer & Rule Citation

Correct Answer: Option B — B

Large Navigational Buoys (LNBs) or LANBYs are depicted on nautical charts using a specific symbol featuring a circle with a dot, representing the buoy's position, accompanied by a light flare symbol. This standardized charting convention ensures mariners can distinguish these major automated aids from smaller, standard navigational buoys.

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