Aeromedical factorsQuestion 887 of 934

What can a pilot mistake for runway and approach lights at night?

  1. The lights of a single tall tower with a red beacon
  2. The stars near the horizon
  3. The beacon of a distant airport
  4. Lights along a straight road or on a moving train
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Correct answer: Lights along a straight road or on a moving train

Lights along a straight path can be taken for runway and approach lights.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 17: Aeromedical Factors — Optical Illusions, page 432

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Questions last reviewed: 18 October 2026