Question 88Navigation General

70% to pass

What is NOT a characteristic of cardinal marks?

A Directional orientation to a hazard
B Yellow and black bands
C Square or triangular topmarks
D White lights
AI Explanation

The correct answer is C) Square or triangular topmarks. Cardinal marks do not have square or triangular topmarks. Instead, they have conical (pointed) topmarks that indicate the direction of a hazard. The topmarks on cardinal marks are designed to provide a clear visual indication of the direction of the hazard, with the point of the topmark pointing towards the safe water. The other answer choices are characteristics of cardinal marks: A) They indicate the direction to a hazard, B) They have yellow and black bands, and D) They display white lights.

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