Which item in illustration D034NG below shows a Morse (A) light?
Official USCG Answer & Rule Citation
Correct Answer: Option D — D
Morse (A) light characteristics, used on safe water marks, consist of a short flash followed by a long flash (dot-dash). In standard USCG Light List illustrations, diagram D represents this specific light phase cycle, distinguishing it from flashing or occulting lights.
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