Question 323 Rules of the Road

90% to pass

INLAND ONLY Vessels "A" and "B" are meeting on a river as shown in illustration D041RR below and will pass 1/4 mile apart. Which is one of the lights on vessel "B" that you will see if you are on vessel "A"?

Rules of the Road Question 323 diagram
A yellow towing light
B red sidelight
C special flashing light
D All of the above
AI Explanation

The correct answer is C) special flashing light. According to the Inland Navigation Rules, when two vessels are meeting and will pass 1/4 mile apart, the vessel being overtaken (Vessel "B") must display a special flashing light. This light helps to identify that Vessel "B" is the overtaken vessel and ensures safe passage between the two vessels. The other answer choices are incorrect because: A) the yellow towing light is only required on vessels engaged in towing operations, which is not the case here; B) the red sidelight is a standard navigation light, not a special light used in this situation; and D) not all of these lights would be visible on Vessel "B" in this meeting situation.

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