Question 623 Rules of the Road

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BOTH INTERNATIONAL & INLAND Which of the following in illustration D086RR below represents the length of a vessel as defined by the Rules?

Rules of the Road Question 623 diagram
A A
B B
C C
D D
AI Explanation

The correct answer is C. According to the Rules, the length of a vessel is defined as the length overall (LOA), which represents the horizontal distance between the foremost part of the stem and the aftermost part of the stern. In the illustration D086RR, the length of the vessel is represented by the measurement indicated by C. The other options are incorrect because A represents the beam of the vessel, B represents the height of the vessel, and D represents the draft of the vessel, which are not the same as the length of the vessel as defined by the Rules.

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