[quote="Sgt>Stackem":70fc5]
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Originally Posted by Judas
whats their purpose ? if the plane crashes are they suppose to keep you from going thru the wind shield ?
ty.
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why dont they use air brakes?[/quote:70fc5]
Air brakes are nothing to do with an emergiencies. There designed break the airflow over the wing, causing the plane to lose alot of height (i.e. when on final)
I dont understand what u mean by using airbrakes when a plane crashes
Smaller aircraft have the pilot/co pilots strapped in pernamently, as their more likely to make steeper turns, causing the pilots to be sliding around in their seats (sorta like when driving a car. The belts help secure you to the centre of the seat (simular to bucket seats in a car).
AS others have said there used on airliners when facing large turbulance.