Advanced ATC
A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).
Quick answer: A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).
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A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).
Four-Dimensional Trajectory 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.
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Questions and answers
In this glossary, Four-Dimensional Trajectory refers to: A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).
In aviation communication, this term appears in contexts such as: "Four-Dimensional Trajectory planning improves traffic flow and reduces conflicts in complex airspace."
Four-Dimensional Trajectory 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.
Four-Dimensional Trajectory is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, Four-Dimensional Trajectory is grouped under Advanced ATC. Related pages in this category explain adjacent procedures, commands and operational concepts.
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.
A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).
Four-Dimensional Trajectory planning improves traffic flow and reduces conflicts in complex airspace.
English reference definition
ICAO Doc 9432, FAA PCG
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