USCG USCG ROR
Set 8 • Question #423 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Which vessel must exhibit three white masthead lights in a vertical line?
A
Any vessel towing astern
B
A vessel whose tow exceeds 200 meters astern
✓ Correct Answer
C
A vessel not under command, at anchor
D
A vessel being towed
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Which vessel must exhibit three white masthead lights in a vertical line', the correct requirement is: 'A vessel whose tow exceeds 200 meters astern'. This standard ensures clear navigational intent and collision avoidance.
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