BOTH INTERNATIONAL & INLAND Navigation lights must be displayed in all weathers from sunset to sunrise. They also __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — may be displayed during daylight
Rule 20(c) states that navigation lights must be exhibited from sunrise to sunset in restricted visibility, and may be displayed in all other circumstances when deemed necessary. This permits daylight operation of navigation lights to enhance visibility and vessel safety.
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