BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — 22.5° abaft the beam
Under Inland Navigation Rules, for the condition where 'The arc of visibility for sidelights is from right ahead to', the correct requirement is: '22.5° abaft the beam'. This standard ensures clear navigational intent and collision avoidance.
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