***Definition*** :: A rapid decrease in lift caused by the separation of airflow from the wing’s surface, brought on by exceeding the critical angle of attack. A stall can occur at any pitch attitude or airspeed. ***Source*** :: [[PHAK Glossary]] ***Additional Info:*** The critical angle of attack is typically about 15°-18°. ![[Airflow Separation at Critical AOA.jpg]] ![[Stall Progression for Various Wing Planforms.svg]] #glossary