AerodynamicsLift and Drag
Aerodynamic Stall
An aerodynamic stall is a condition where an aerofoil exceeds its critical angle of attack, resulting in a sudden reduction in lift. This occurs because the smooth boundary layer separates from the upper surface of the wing, creating chaotic, turbulent airflow.
Key Points
- •Occurs when the <strong>critical angle of attack</strong> is exceeded, regardless of the aircraft's airspeed or weight.
- •Symptoms generally include buffeting, decreased control effectiveness, and a high rate of descent.
- •Primary recovery involves reducing the angle of attack, typically by applying forward pressure on the controls.
Exam Relevance
Identifying the symptoms of an approaching stall and executing proper recovery techniques is a critical safety requirement heavily tested in the RPL and PPL exams.
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