Advanced ATC

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).

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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Quick answer

A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).

Why it matters

4次元軌道 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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Questions and answers

Questions and answers

What is 4次元軌道?

In this glossary, 4次元軌道 refers to: A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).

How is 4次元軌道 used in aviation?

In aviation communication, this term appears in contexts such as: "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。"

Why does 4次元軌道 matter in aviation?

4次元軌道 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.

Who uses 4次元軌道?

4次元軌道 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 4次元軌道 belong to?

In this glossary, 4次元軌道 is grouped under Advanced ATC. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

A predicted or managed aircraft flight path defined by latitude, longitude, altitude, and time—core to Trajectory-Based Operations (ICAO Doc 9971).

Operational example

Four-Dimensional Trajectory planning improves traffic flow and reduces conflicts in complex airspace.

Localized term

4次元軌道

Localized example

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。

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Advanced ATC

Exam relevance

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

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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