Airplane. Factors like potential financial trouble are also being examined. And lubitz gave no indication of what he was doing in the cockpit. Investigators say there is absolutely silence on the cockpit voice recorder except for steady breathing indicating lubitz was not panicked when the plane went down. At the live desk im Pat Lawson Muse. Back to you. Thank you, pat. Airbus is the maker of the plane that crashed. The Company Released a copy of a training video today that demonstrates the procedure for locking and unlocking the cockpit door. The protocol was supposed to be a safeguard. Now there are questions about whether a pilot should ever be alone in a cockpit. Our Team Coverage continues now with Steve Handelsman. Steve . Reporter doreen thanks. Good evening. Long before what happened over france our u. S. Faa rules have said we basically dont trust any one persons judgment or help in a pilot seat. Experts say this kind of a tragedy is less likely on airliners flying in america