USCG USCG ROR
Set 16 • Question #232 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND What lights must sailboats show when underway at night?
A
One all-round white light
B
A stern light
C
Red and green sidelights
D
Red and green sidelights and a stern light
✓ Correct Answer
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'What lights must sailboats show when underway at night', the correct requirement is: 'Red and green sidelights and a stern light'. This standard ensures clear navigational intent and collision avoidance.
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