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Navigation lights and shapesQuestion 104 of 352

A vessel restricted in its ability to maneuver shows three lights in a vertical line. What colors?

  1. Red, white, red
  2. White, red, white
  3. Green, white, green
  4. Red, red, white
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Correct answer: Red, white, red

The top and bottom lights are red and the middle light is white.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 83: Inland Navigation Rules, § 83.27 Vessels not under command or restricted in their ability to maneuver (Rule 27)

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Questions last reviewed: 18 October 2026