What is Transition level?
Transition level The lowest flight level available for use above the transition altitude. Aircraft climbing through the transition altitude use the transition level to set standard pressure.
Source: ICAO Doc 9432, FAA PCG
How is “Transition level” Used in Practice?
Expect transition level FL120; set standard pressure passing transition altitude.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is Transition level?
The lowest flight level available for use above the transition altitude. Aircraft climbing through the transition altitude use the transition level to set standard pressure.
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