Assuming that there was a part of the plane that could open to create a viable jump platform (which there isn't in current designs), it would seem that the situ

Assuming that there was a part of the plane that could open to create a viable jump platform (which there isn't in current designs), it would seem that the situations the plane has a problem, but it's stable enough that you and your 2-500 friends can get out your chute, read the instructions, put it on correctly, get to the exit point, and safely jump out and your plane has enough of a problem that you'd want to jump out are mutually exclusive.