Aviation English
Advanced ATC

4次元軌道とは？

4次元軌道 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 “4次元軌道” Used in Practice?

4次元軌道の計画は交通流を改善し、複雑な空域での衝突を減らします。

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

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Frequently Asked Questions

4次元軌道とは？

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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