Meteorology
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.
This term page is part of the Protermify Aviation glossary and is published as static HTML for fast indexing and clear language coverage.
A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.
急流 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.
This page is rendered as static HTML from source-backed terminology data so search engines and AI systems can parse the content without client-side code.
Questions and answers
In this glossary, 急流 refers to: A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.
In aviation communication, this term appears in contexts such as: "请求直线航迹拦截急流，以节省燃油和时间。"
急流 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.
急流 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, 急流 is grouped under Meteorology. Related pages in this category explain adjacent procedures, commands and operational concepts.
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.
A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.
Pilot: We request direct track to intercept the jet stream for fuel efficiency and time savings.
急流
请求直线航迹拦截急流，以节省燃油和时间。
English reference definition
ICAO Doc 9432, FAA PCG
Use the related links below to continue through connected aviation terminology.
