Question 280Navigation General

70% to pass

A lateral system buoy displaying a quick light _______________.

A indicates that special caution is required
B should be passed close aboard on either side
C is used at a channel bifurcation or junction
D is painted with red and white vertical stripes
AI Explanation

The correct answer is A) indicates that special caution is required. A lateral system buoy displaying a quick light indicates that the mariner should exercise special caution when navigating in that area. This is because a quick light pattern, which flashes more than 120 times per minute, is used to mark areas that require extra vigilance, such as hazards, obstructions, or other navigational challenges. The other options are incorrect because: B) refers to a safe-water mark, C) describes a junction buoy, and D) describes a special-purpose buoy, none of which are specific to a lateral system buoy with a quick light.

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