that because the aircraft computers have determined that the pilot is putting the aircraft at risk. if you were in a boeing fly by wire you could crank that thing over to 50, 60 degrees. >> you could override the system in another plane whereas this plane you cannot? >> yes. >> it seems not to be the safest situation. >> the engineers determine the fact that 75% of the accidents are caused by pilots or are contributory. so they decided the skill levels with the amount of pilots you would need for the future may not be available and so they decided to put an aircraft that was essentially pilot-proof. >> at what point does the pilot say i'm not getting the satisfaction i need. i feel the plane is in danger? at what point does the pilot say i'm turning around and going home? >> the minute the aircraft commander says his aircraft has got a possible danger, that's when you execute and the need to be an emergency