Boating Coach US
Navigation lights and shapesQuestion 67 of 352

During which hours must a boat under the Inland Navigation Rules show its navigation lights?

  1. From sunset to sunrise
  2. Only when it is fully dark
  3. From one hour after sunset to sunrise
  4. Only when other boats are in sight
Show answer

Correct answer: From sunset to sunrise

Lights are required for the whole night, from sunset to sunrise.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 83: Inland Navigation Rules, § 83.20 Application (Rule 20)

All questionsPractice the topic "Navigation lights and shapes"

Questions last reviewed: 18 October 2026