air traffic control tried to reach the cockpit 11 times. we know that military got involved tried to contact them three times. why would that will have happened? what role would these agencies have played there? >> well they're responsible for separating traffic. they need to know where it is. of course on their radar screens, they see the pilot and the plane are not responding. they would have seen on the radar tracings that its altitude its flight level was decreasing. they have a job to do too. they have to keep planes apart from each other. here was this aircraft doing something that they had not commanded it to do. the report the bea report today, is very chilling in that it further clarify what is we already heard about the pilot doggedly going ahead with his plan. they could hear the breathing, but they also indicate that there wasn't a lot of -- you know, there wasn't a lot of anything else. he used the side stick controller a couple times. there's a lot of debate over what the report means about the door lockout mechanism.