USCG USCG ROR
Set 12 • Question #104 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white?
A
A vessel engaged in diving operations
✓ Correct Answer
B
A pilot vessel
C
A vessel trawling
D
All of the above
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white', the correct requirement is: 'A vessel engaged in diving operations'. This standard ensures clear navigational intent and collision avoidance.
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