Originally Posted by
COEWRFA
I personally have been on a flight where a passenger attempted to open the door in flight. He was strong enough to begin to rotate the handle and after subdued, we could not get the handle to go back down and had to re-seat pax and remain away from the door.
I’ll bet that the handle mechanism would fail before enough force could be applied to open the door of a pressurized aircraft, even if Superman was trying.