What color is the port sidelight?

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Multiple Choice

What color is the port sidelight?

Explanation:
Port sidelight is the red light on the left side of a vessel. The color scheme used in COLREGs assigns red to the port side and green to the starboard side, so other vessels can quickly tell orientation and determine safe passing rooms. White lights are used for other purposes (like stern or masthead lights), and yellow isn’t the standard color for a sidelight. So red is the correct color for the port sidelight because it identifies the vessel’s left side and helps with collision avoidance.

Port sidelight is the red light on the left side of a vessel. The color scheme used in COLREGs assigns red to the port side and green to the starboard side, so other vessels can quickly tell orientation and determine safe passing rooms. White lights are used for other purposes (like stern or masthead lights), and yellow isn’t the standard color for a sidelight. So red is the correct color for the port sidelight because it identifies the vessel’s left side and helps with collision avoidance.

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