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Passenger Door Security Issues  
User currently offlineUkair From United Kingdom, joined Mar 2001, 295 posts, RR: 0
Posted (14 years 10 months 2 weeks 1 day 10 hours ago) and read 1647 times:

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.

1 replies: All unread, jump to last
User currently offlineAir2gxs From , joined Dec 1969, posts, RR:
Reply 1, posted (14 years 10 months 2 weeks 1 day 10 hours ago) and read 1634 times:

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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