Advanced ATC
初始四维轨迹
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
初始四维轨迹 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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