Control Descent News Today : Breaking News, Live Updates & Top Stories | Vimarsana

To know if in the middle of a crisis coverage for instance you say we don't know anything so we're going away from the story until we learn more you run the fear of losing the audience and so you're stuck in a story like that unless you exert real will power. with being on the air, with people who are forced to say things that don't mean anything like -- >> i think that's the big difference with this one, isn't it really? there have been officials who have been quite accessible to the press, that they have come out with great regularity and also had real information they have said officially p...

>> this the worst situation i've been in. >> reporter: what happens to your hands after that crash? >> they're sweaty. you can see it. in all the years i've been flying a simulator, never seen an airplane hit the ground. we recover the airplane before that happens. >> reporter: so that was unthinkable. for you. >> yeah. hard to see. >> reporter: roger takes us through a manual scenario explaining the germanwings pilot likely did not do this based on the control descent. >> pull up. >> reporter: it's uncomfortable. >> pull up. >> let's just come out of this. get out of this. >> pull up. >> no n...

There could be explosive decompression as a result of some structural failure of the aircraft. everything flies around that's not tied down. it physically feels like it's punched. it's a physical event. if that's happened we expect the aircraft to have defuated deviated left to right. this is indication of some software failure in which there was an uncommanded control descent or perhaps incapacitation of some type for some reason whether through criminal intent by a crew member or passenger or by some other means, mechanical event or cascading series of mechanical failures. richard is right.

Co-pilot andreas lubitz may have practiced a control descent on his outbound flight that day, potentially rehearsing for the crash that would take place hours later. tom costello with details. this is extraordinary. >> reporter: it is. it's a preliminary report that comes out from the french investigative agency. it describes the flight from dusseldorf into barcelona. the flight immediately prior to the fatal crash back to dusseldorf. it crashed into a mountain, of course. we have a graph that shows the information from the flight data recorder which has the co-pilot programming erratic altitu...