USCG USCG ROR
Set 6 • Question #375 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND The NAVIGATION RULES define a "vessel not under command" as a vessel which __________.
A
from the nature of her work is unable to keep out of the way of another vessel
B
through some exceptional circumstance is unable to maneuver as required by the rules
✓ Correct Answer
C
by taking action contrary to the rules has created a special circumstance situation
D
is moored, aground or anchored in a fairway
USCG NMC Regulatory Explanation
Under Rule 27(a), a vessel Not Under Command (NUC) exhibits two all-round red lights in a vertical line by night, and two black balls in a vertical line by day.
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