June 2011 Issue

Flying AOA

New-technology angle-of-attack indicators’ more accurate and earlier stall warning can help prevent maneuvering and stall/spin accidents.

Aerodynamics 101 teaches us about angle of attack and that all wings have a critical one at which they will stall. Afterward, we’re treated to a discussion about accelerated stalls and how the airplane will enthusiastically stop flying at an airspeed sometimes well above its straight-ahead stalling speed. We’re also taught about stall-warning systems and how they are designed to alert us when we’re approaching that critical angle of attack.

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