Question 763 Rules of the Road

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BOTH INTERNATIONAL & INLAND You see the display of lights shown in illustration D064RR below. These lights could indicate which of the following?

Diagram for USCG Rules of the Road: BOTH INTERNATIONAL & INLAND You see the display of lights shown in illustration...
A 60-meter tug pushing a barge ahead
B tug unable to maneuver as required by the Rules
C 40-meter tug with tow exceeding 200 meters
D range marking a channel beneath a drawbridge
AI Explanation

The correct answer is C) 40-meter tug with tow exceeding 200 meters. The display of lights shown in illustration D064RR indicates a towing vessel over 20 meters in length with a tow exceeding 200 meters. Per the International and Inland Navigation Rules, this configuration of lights is required for a 40-meter tug with a tow longer than 200 meters. The other options do not match this specific lighting configuration.

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Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG Navigation Center
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