Groundspeed Indicated Airspeed Wind Shear 
Air
MAY 21, 2025
Drawbacks: In cruise, a headwind reduces your groundspeed , meaning your journey will take longer and consume more fuel. It increases your groundspeed , shortening your flight time and saving fuel. It increases your groundspeed , shortening your flight time and saving fuel. And it’s unique in Europe!
Air Facts
OCTOBER 14, 2024
Flying to Oklahoma from New Jersey in my G36 Bonanza, I once encountered a mountain wave where the indicated airspeed changed from 92 knots to 164 knots without a single bump. I looked at the airspeed and it was jumping +/-5-10 knots. Ah, a wind shear and a lot worse was going to mess with our landing.
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