you level off. you apparently have figured out it's not that severe and you get it on automatic pilot or you put it on automatic pilot and you're overcome by smoke or lack of oxygen. you pass out, passengers pass out. airplane has plenty of fuel, on a predetermined course and it will now fly for hours until it runs out of fuel. so that's the scenario. we don't know if it really happened that way, but many speculate it could have. >> miles o'brian, though, the plane did make several turns. so would that be possible under an autopilot scenario? >> that is highly unlikely. what that pilot would have done is what marty and his friend, mitchell, did in the simulator. they would turn around, do a 180, head back to land, get back