Meteorology

courant‑jet

A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.

Quick answer: A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.

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Quick answer

A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.

Why it matters

courant‑jet matters because it supports clear communication in Meteorology 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 courant‑jet?

In this glossary, courant‑jet refers to: A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.

How is courant‑jet used in aviation?

In aviation communication, this term appears in contexts such as: "Nous demandons un cap direct pour intercepter le courant‑jet, afin d’économiser carburant et temps."

Why does courant‑jet matter in aviation?

courant‑jet matters because it supports clear communication in Meteorology 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 courant‑jet?

courant‑jet is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does courant‑jet belong to?

In this glossary, courant‑jet is grouped under Meteorology. 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 narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.

Operational example

Pilot: We request direct track to intercept the jet stream for fuel efficiency and time savings.

Localized term

courant‑jet

Localized example

Nous demandons un cap direct pour intercepter le courant‑jet, afin d’économiser carburant et temps.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Meteorology

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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