Aviation English
Meteorology

シグニフィカント気温層とは?

シグニフィカント気温層 A specific altitude or flight level at which temperature changes are forecast to be significant for flight operations, affecting aircraft performance, icing risk, or fuel management.

Source: ICAO Doc 9432, FAA PCG

How is “シグニフィカント気温層” Used in Practice?

巡航中にシグニフィカント気温層で予報と異なる場合は報告してください。

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

シグニフィカント気温層とは?

A specific altitude or flight level at which temperature changes are forecast to be significant for flight operations, affecting aircraft performance, icing risk, or fuel management.

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