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Weather theoryQuestion 338 of 934

For aviation, which cloud layer is a ceiling?

  1. The lowest layer reported as few or scattered
  2. The highest layer reported as broken or overcast
  3. Any layer of cloud that is reported above 6,500 feet
  4. The lowest layer reported as broken or overcast
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Correct answer: The lowest layer reported as broken or overcast

A ceiling can also be the vertical visibility into an obscuration like fog.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 12: Weather Theory — Clouds, page 301

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Questions last reviewed: 18 October 2026