What is jet stream?
jet stream A narrow, fast-flowing air current in the upper atmosphere, typically between 20 000 and 50 000 ft, affecting cruise performance.
Source: ICAO Doc 9432, FAA PCG
How is “jet stream” Used in Practice?
We request direct track to intercept the jet stream for fuel efficiency and time savings.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is jet stream?
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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