Aviation English
Advanced ATC
四维轨迹 是什么？
四维轨迹 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 “四维轨迹” Used in Practice?
四维轨迹规划可改善交通流量并减少复杂空域内的冲突。
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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Download Free for iOSFrequently Asked Questions
四维轨迹 是什么？
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?
Termify is a 100% free professional English app that teaches 四维轨迹 and 4,071+ other industry terms with native pronunciation, IPA transcriptions and career quizzes. Available on iOS in 23 languages. No subscription, no credit card required.
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