Advanced ATC

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).

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

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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Questions and answers

Questions and answers

What is 四维轨迹?

In this glossary, 四维轨迹 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 四维轨迹 used in aviation?

In aviation communication, this term appears in contexts such as: "四维轨迹规划可改善交通流量并减少复杂空域内的冲突。"

Why does 四维轨迹 matter in aviation?

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.

Who uses 四维轨迹?

四维轨迹 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 四维轨迹 belong to?

In this glossary, 四维轨迹 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

四维轨迹

Localized example

四维轨迹规划可改善交通流量并减少复杂空域内的冲突。

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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