Boating Coach US
Navigation lights and shapesQuestion 81 of 352

A power boat is 15 meters long. How far away must its masthead light be visible?

  1. 2 miles
  2. 5 miles
  3. 6 miles
  4. 3 miles
Show answer

Correct answer: 3 miles

Boats from 12 to under 20 meters need a masthead light seen at 3 miles.

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

All questionsPractice the topic "Navigation lights and shapes"

Questions last reviewed: 18 October 2026