when they pull the black boxes, will tell air speed, engine settings, whether the engines were spoolg up or down. what the rate of descent was and take that and put that in simulator and sit there in that simulator and ride through the final moments of approach. >> heather: two different aircraft that we're talking about and two different situations. one taking off and one landing. >> yes. >> heather: and one other question about the fire itself that broke out after the plane landed. you can see it did appear to break out on one side of the plane above the wing section area. that would be where some of the fuel was stored. >> right. >> heather: according to jon scott. perhaps that is why these passengers were able to evacuate and hopefully all of them safely according to the initial reports that we've received. >> well, i'll tell you, what usual looking at right there, looks absolutely horrible, that is after the people got out and the fire burned and that is what is left of it. notice that the wings are pretty much intact. so what you should have saw there is, an airplane that just s