Reference
Aviation glossary
Concise definitions for aviation terminology — from METAR and NOTAM to aerodynamics and airline operations. Search directly or scan alphabetically.
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Jet StreamA jet stream is a fast-moving band of wind at high altitude, typically 30,000-40,000 feet, flowing west to east across mid-latitudes. Pilots use jet streams to reduce fuel burn and flight time on long-haul routes.
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