USCG USCG ROR
Set 15 • Question #182 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?
A
During the day, she would display three balls in a vertical line.
B
If making way, she would show masthead lights at night.
✓ Correct Answer
C
If at anchor, she need not show anchor lights while displaying identifying lights.
D
Her fog signal would consist of a rapid ringing of a bell for five seconds every minute.
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE', the correct requirement is: 'If making way, she would show masthead lights at night.'. This standard ensures clear navigational intent and collision avoidance.
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