>> right. but if that happened, would there still be no way of anybody on board the plane indicating to the airline that there was this problem going on? are you assuming that there's been some catastrophic fault maybe involving lack of oxygen or something which means no one is in capacity able to do that? >> well, i don't know what happened to the crew or anyone on board. that's not part of my theory. but if there was a certain electrical malfunction that took out both the transponder and the flight management computer, it could also take out other communication aspects, radios, automatic dialings, et cetera, that would account for the automatic turning of the airplane to a new heading which it stayed on essentially forever. now, before that happened we see that the airplane turned i think from like 25 to 40 degrees, and that if we look back at the previous day's flights, that's a normal turn in the route. so it indicates that at that