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Good point. Boeing (737) has the door open to the outside. The Airbus (320) the door opens to the inside.

I can remember when I was small my Mom mentioned that doors of buildings in the US are mandatory to open to the outside, a rule that does not exist in Europe AFAIK. So there you have it, you have a significant higher chance of crashing in a Boeing, but when it happens, your can leave the plane 2 seconds faster.

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Sorry that's both just wrong. The A320 Doors open to the outside (as can be seen here https://www.airplane-pictures.net/photo/1364569/d-ainb-lufth...), and also come with a mechanical opening aid that Boeing doesn't come with, because of the Grandfathering of the 737. And emergency exits in "Europe" obviously open to the outside. At least in West/North Europe

Nope, you are wrong on both accounts. OP is referring to the emergency exit and why it would make sense to make them fail save. These doors are located above the wings. Your picture shows the normal entrance door. This door is gigantic and has all sorts of safety procedures to keep them closed.

Boeing opens the emergency exit to the outside and we all know that they will just pop out during flight every time they forget to bolt them. Airbus has a fail save design: unlock, pull in, then throw it out. No way you can open these during flight, with or without bolts.

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