. >> reporter: i got the chance to experience what that felt like in the airbus simulator. we're going down, right? >> yes. >> stall, stall. >> reporter: in the cockpit, confusion has turned to chaos. both co-pilots are now trying to fly the plane in opposite directions. >> at a point of exasperation where you actually have discipline breaking down and both pilots trying to fly the aircraft. >> reporter: at what point, at what altitude was this jumbo jet beyond saving? >> this aircraft got into a position where no one had ever designed it to be. realistically, somewhere in the area of 10 to 15,000 feet, they were running out of options. >> reporter: it is too late, but not only the final seconds that the pilot realized the plane is doomed. >> the last words we hear on the voice recorder are from the pilot bonin, what's happening? >> exactly. complete confusion. >> those last words were not released by french investigators and only became public when they were leaked last year. why did you leave parts out? >> well, you know, you have some personal conversation that is not us