is no evidence one way or the other. >> there were would be piles of eviden evidence -- >> we would know exactly the state of that aircraft. >> just the kind of information someone taking over a plane wouldn't want anyone to know. >> if you were doing something nefarruous, switching off that would be part of making the plane go dark. >> there was still no check-in with vietnam air traffic control. a call nick has made thousands of times. >> you have to be drunk for you to forget, after someone tells you immediately to check n. >> every pilot wants to do that