all that was working, so what you have a picture of here is a plane which is flying as it was designed to fly perfectly, but apparently no human intention. so we have to work our way back from that to what might not have been working to cause the things that give us pause, the lack of a call from the plane, the ending of the acars signal and the transponder. where is the division between those things? >> i've got to get the other panelists in here. i want to get jeff wise's reaction. you write about this, you've been studying this. you sort of disagreed with the data. but what do you make with possibly we've lost time, lost