Question 725 Rules of the Road

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BOTH INTERNATIONAL & INLAND In illustration D023RR below item "C" shows the arc of visibility of which of the following?

Rules of the Road Question 725 diagram
A red sidelight
B green sidelight
C yellow flashing light
D None of the above
AI Explanation

The correct answer is D) None of the above. In illustration D023RR, item "C" shows the arc of visibility of the all-round white light, not the sidelights or any yellow flashing light. The sidelights (red and green) have their own separate arcs of visibility, which are not depicted in this particular illustration. Therefore, none of the answer choices accurately describe what item "C" represents in this diagram.

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