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Commercial Pilot Licence (CPAER) – Canada · Question

What defines the upper vertical limit of Class E airspace?

Class E airspace extends upwards from any designated altitude to the base of the overlying Class A airspace, which typically starts at FL180.

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Question: What defines the upper vertical limit of Class E airspace?

Answer options:

  • 10,000 feet ASL
  • 12,500 feet ASL
  • 18,000 feet ASL (FL180) ✅ The base of the overlying Class A airspace

Correct answer: The base of the overlying Class A airspace

Explanation: Class E airspace extends upwards from any designated altitude to the base of the overlying Class A airspace, which typically starts at FL180.

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