that, they got the last transmission basically they were handed off from malaysian air traffic controllers to vietnam. then after that the transponder was turned off. it appears that at least either the pilots were in control of the airplane. someone acting as a pilot in control of the airplane. after we started to get the sequence of the airplane were trying to masquerade itself to hide. >> so professor what you are saying is when they heard all right with nights that was after agard is turned off which is more difficult to do than what we already know the transponder being turned off seems to be the easiest and more sensible thing. >> how do you turn that of oh and don't get intoen suit is it in the cockpit? >> it is a computer in the cockpit you have to get into to