Phil's Rambling Rants
Corporate cost cutting strategies|
But, they are unnecessary.
In the movies if both pilots get knocked out, there's always someone on board who can land the plane.
It IS possible to modify 757 and up aircraft so that they can be remotely pilotable in case of a) terrorist attack or b) incapacitated crew. But the airlines didn't want to do this -- too expensive. Certifying a new avionics system takes years and millions of dollars.