Aviation English
Advanced ATC

Qu'est-ce que Trajectoire initiale à quatre dimensions ?

Trajectoire initiale à quatre dimensions The first shared, predicted trajectory of an aircraft, including latitude, longitude, altitude, and time, used in Trajectory-Based Operations for collaborative airspace management (ICAO Doc 9971).

Source: ICAO Doc 9432, FAA PCG

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

L’ATC examine la trajectoire initiale à quatre dimensions pour la gestion du trafic et le séquençage.

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 initiale à quatre dimensions ?

The first shared, predicted trajectory of an aircraft, including latitude, longitude, altitude, and time, used in Trajectory-Based Operations for collaborative airspace management (ICAO Doc 9971).

Where can I learn this term for free?

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