What is Jetstream?
In this glossary, Jetstream 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 Jetstream used in aviation?
In aviation communication, this term appears in contexts such as: "Wir bitten um direkte Route zur Abfangung des Jetstreams für Treibstoffeinsparung und Zeitgewinn."
Why does Jetstream matter in aviation?
Jetstream 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 Jetstream?
Jetstream is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does Jetstream belong to?
In this glossary, Jetstream 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.