USCG USCG ROR
Set 15 • Question #194 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
A
Flames on a vessel
B
Vertical motion of a white lantern at night
✓ Correct Answer
C
Code flags "November" and "Charlie"
D
Dye marker on the water
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Which is NOT a distress signal', the correct requirement is: 'Vertical motion of a white lantern at night'. This standard ensures clear navigational intent and collision avoidance.
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