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StallsA stall is caused by the separation of airflow from the wing's upper surface. This results in a rapid decrease in lift. For a given airplane, a stall always occurs at the same angle, regardless of airspeed, flight attitude, or weight. This angle is the stalling or critical angle of attack. Stall characteristics vary with different airplanes. However, in training airplanes during most normal maneuvers, the onset of a stall is gradual. The first indications may be provided by a mushy feeling in the flight controls, a stall warning device, or a slight buffeting of the airplane. To recover from a stall, you must restore the smooth airflow by decreasing the angle of attack to a point below the critical angle of attack. |
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This page was last modified June 11, 2000 |
