Drag Horizontal Stabilizer Pitot Tube 
Pilot Institute
JULY 11, 2025
That’s the speed your airspeed indicator shows based on ram air pressure in the pitot tube. Lift, drag, and handling correlate well with IAS in the lower atmosphere. This type of wing redirects the shockwaves further aft on the wing, reducing drag. This is partly due to the steep rise in drag nearing M cr.
Pilot Institute
NOVEMBER 1, 2024
And ice doesn’t just make things slippery, it messes with the airflow over the wings, cuts down on lift, and ramps up drag. This leads to a serious loss of lift and an increase in drag. This roughness adds to friction drag, which can reduce lift and increase drag by as much as 50% on a wing’s leading edge and upper surface.
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