Flight rulesQuestion 109 of 934

During which period must an aircraft have lighted position lights?

  1. From sunset to sunrise
  2. From 1 hour after sunset to 1 hour before sunrise
  3. From civil twilight to civil twilight
  4. From 30 minutes after sunset to sunrise
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Correct answer: From sunset to sunrise

Section 91.209 requires lighted position lights from sunset to sunrise.

Source: 14 CFR Part 91, § 91.209 Aircraft lights.

Practice flight rules

Questions last reviewed: 18 October 2026