What is the angle of attack? (FAA‑H‑8083‑25)
The angle of attack is the angle between the wing chord line and the direction of the relative wind; it can be changed by the pilot.
The angle of attack (AOA) is the angle formed between the chord line of an airfoil and the relative wind. In other words, it is the angle at which the wing or airfoil is meeting the oncoming air. The AOA affects the lift and drag characteristics of the aircraft. At low angles of attack, the lift generated by the wing is low, and as the angle of attack increases, so does the lift until the wing reaches a maximum lift coefficient (known as the critical angle of attack), after which the lift decreases and the drag increases. The angle of attack is a critical element in stall and spin awareness and prevention.
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