USCG USCG ROR
Set 11 • Question #85 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND A vessel which is unable to maneuver due to some exceptional circumstance, shall show two red lights in a vertical line and __________.
A
during the day, three balls in a vertical line
B
during the day, three shapes, the highest and lowest being balls and the middle being a diamond
C
when making way at night, sidelights and a stern light
✓ Correct Answer
D
when making way at night, masthead lights, sidelights, and a stern light
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'A vessel which is unable to maneuver due to some exceptional circumstance, shall show two red lights in a vertical line and', the correct requirement is: 'when making way at night, sidelights and a stern light'. This standard ensures clear navigational intent and collision avoidance.
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