BOTH INTERNATIONAL & INLAND A sailing vessel of over 20 meters in length underway must show a __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — stern light
Under Inland Navigation Rules, for the condition where 'A sailing vessel of over 20 meters in length underway must show a', the correct requirement is: 'stern light'. This standard ensures clear navigational intent and collision avoidance.
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