Advanced ATC
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).
Quick answer: 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).
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Quick answer
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).
Why it matters
Trajectoire initiale à quatre dimensions matters because it supports clear communication in Advanced ATC contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
Editorial context
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Definition
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).
Operational example
ATC reviews the Initial Four-Dimensional Trajectory for traffic management and sequencing.
Localized term
Trajectoire initiale à quatre dimensions
Localized example
L’ATC examine la trajectoire initiale à quatre dimensions pour la gestion du trafic et le séquençage.
Definition language
English reference definition
Source
ICAO Doc 9432, FAA PCG
Exam relevance
- ICAO Level 4
- ICAO Level 5
- ICAO Level 6
- EASA FCL.055
Target audience
- Pilots
- Air Traffic Controllers
- Cabin Crew
