Jet Stream
Definition
A narrow band of strong winds (typically 100-200 knots) found at high altitudes near the tropopause. Jet streams affect flight planning, fuel consumption, and can produce clear air turbulence at their boundaries.
Why Jet Stream Matters for Pilots
Weather concepts like Jet Stream appear frequently on both FAA and EASA knowledge exams. More importantly, understanding Jet Stream helps pilots make sound go/no-go decisions and avoid hazardous conditions in flight. Weather-related accidents remain a leading cause of general aviation incidents.
Exam Tip
This concept is commonly tested in meteorology-related questions on FAA and EASA exams. Make sure you can explain Jet Stream in your own words for the oral exam. Practice applying this concept to real-world scenarios, not just memorizing the definition.
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