Aviation English
Meteorology

What is tropopause?

tropopause The boundary layer between troposphere and stratosphere, marked by a temperature inversion, affecting flight levels and turbulence potential.

Source: ICAO Doc 9432, FAA PCG

How is “tropopause” Used in Practice?

We are requesting climb through tropopause to FL430 to avoid the turbulence below.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is tropopause?

The boundary layer between troposphere and stratosphere, marked by a temperature inversion, affecting flight levels and turbulence potential.

Where can I learn this term for free?

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