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Systems, specifically the transponder of data flow systems, how complicated is it to turn them off? >> it's very easy to turn them off. you never have to leave the seat in the cockpit. a lot of people have made a big deal about the acars system. you can turn the data portion of the acar system off from the cockpit. you don't have to leave the cockpit. dwroint have to flip circuit breakers. it is evident the data portion of the acars was off yet the satellite was still trying to ping the box, the box on the airplane was responding, it just didn't have any data to provide, so it's apparent that ...

The box then communicates to a ground station via a satellite and says, i've got some information for you, are you ready to receive it on the ground? the ground then communicates back to the airplane saying, yes, so they handshake and then once that handshake is made, then there's a burst of data. it's all of the data that was in the repository about the health of the airplane. what has happened is the flight crew has actually turned off the data portion. so even though the information was collected by the box, it is in limbo. it was turned off. so now the ping, if you will, is the airplane te...

Indonesians, that led me to believe there was something else going on that was not intended as far as conducting this flight. >> greg, the point is that there is evidence that somebody in the crew is turning off its communications, turning off the radar, and all of a sudden you see it re-emerge on a different flight path after a turn. that says to you somebody has made a deliberate decision to commandeer this aircraft and go in a different direction? >> absolutely. there would never be a reason for a pilot to turn off the transponders. that is the key for air traffic controllers to be able to ...