Aviation English
Advanced ATC

Qu'est-ce que Trajectoire à quatre dimensions ?

Trajectoire à quatre dimensions A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).

Source: ICAO Doc 9432, FAA PCG

How is “Trajectoire à quatre dimensions” Used in Practice?

La planification de trajectoire à quatre dimensions améliore la circulation et réduit les conflits dans l’espace aérien complexe.

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

Qu'est-ce que Trajectoire à quatre dimensions ?

A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).

Where can I learn this term for free?

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