cockpit, the other pilot tried to evidently tried to lock him back out of the cockpit that has to be manually done. >> can that be done? and how? >> it can be done. there's a switch that you have that's controls that door. so it can be done by simply putting it in the locked position and not allowing the person to come in. there's some procedures that we'll go through as we go forward here. but nonetheless, it was an intentful move to lock that door. >> to make this clear to the team here you guys know this already. but for the rest of us here's how the airbus company explains how this door mechanism is supposed to work. listen to them in their own words. >> the captain moves the toggle switch to the lock position. the open light remains extinguished. now if we look at the code pad, the red l.e.d. is lit, confirming the door is locked. be careful, automatic door opening, the code pad and the buzzer are inhibited for five minutes. >> what he seems to be explaining let's put it over to you, mary is the person who remains in the cockpit can