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Navigation lights and shapesQuestion 82 of 352

A boat is 14 meters long. How far away must its sidelights be visible?

  1. 1 mile
  2. 3 miles
  3. 2 miles
  4. 5 miles
Show answer

Correct answer: 2 miles

Boats of 12 meters or more, up to 50 meters, need sidelights seen at 2 miles.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 83: Inland Navigation Rules, § 83.22 Visibility of lights (Rule 22)

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Questions last reviewed: 18 October 2026