ukair
Posts: 261
Joined: Tue Mar 27, 2001 11:36 am

Passenger Door Security Issues

Thu Jul 19, 2001 8:47 am

When the passenger door is shut buy the FA on the ground prior to departure is it technically, physically, possible to open it in flight.
 
air2gxs
Posts: 1443
Joined: Mon Jun 18, 2001 1:29 pm

RE: Passenger Door Security Issues

Thu Jul 19, 2001 8:54 am

In a pressurized aircraft it will be vitually impossible to open the door when under pressure. Most on commercial airliners are "plug doors" This means that the door actually enters the aircraft and seats itself against the airframe to plug the hole. It is then latched. I have heard taht on some Airbus aircraft it is possible to open the door under lower pressure differentials due to the mechanical advatage offered by the mechanism. I believe that on Boeings the door operating mechanism would probably shear before opening under a large 1+ differential.

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