crew member regarding an accident or incident or i can t let you in something else like that then that would immediately imply deliberate attempt. you could hear him banging on the door you can hear the captain banging on the door. how do you think they have determined that this co-pilot caused this plane to go on the path that put it into the mountainside? from the cockpit voice recorder there s really nothing recorded on there that would tell you exactly what buttons he was pushing, what he was doing. that s for the flight data recorder to tell us. the air traffic control information, the radar data does track the airplane and will tell you what the airplane was doing but the cockpit voice recorder will give you the complete audio environment using multiple microphones. there is something called a cam, cockpit area microphone in the overhead up center that will record the general audio environment. there is also what s called a hot or boot mike on each flight crew member. in this