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

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

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).

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