Practice question

What is Clear Air Turbulence (CAT) and where is it most commonly encountered by aircraft?

  1. Turbulence occurring in cloud-free air, typically at high altitudes near jet streams
  2. Turbulence generated by aircraft engines during taxiing
  3. Turbulence found inside stable cumulus clouds
  4. Turbulence caused by rapid changes in cabin air conditioning pressure

Answer: A — Turbulence occurring in cloud-free air, typically at high altitudes near jet streams

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