USCG USCG ROR
Set 8 • Question #427 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used with whistle signals?
A
Use of such a light is required.
B
The light shall have the same characteristics as a masthead light.
C
It is only used to supplement short blasts of the whistle.
✓ Correct Answer
D
All of the above
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'Which statement is TRUE concerning the light used with whistle signals', the correct requirement is: 'It is only used to supplement short blasts of the whistle.'. This standard ensures clear navigational intent and collision avoidance.
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