Bill Palmer : If the autopilot was off and the airplane was essentially flying on its own , I would expect a variety of heading changes . Deliberate acts are not the only possibility in disappearance of the flight . He says it 's not clear what systems , such as ACARS , were turned off and when . Palmer : Descent reported might be from systems adjusting to no reason , not deliberate act . Palmer : Much of the delay could be from built - in systems reacting ; guessing inadequate .
Bill Palmer : Deliberate acts are not the only possibility in disappearance of the flight . He says it 's not clear what systems , such as ACARS , were turned off and when . Palmer : Descent reported might be from systems adjusting to no reason , not deliberate act . Palmer : Much of the delay could be from built - in systems reacting ; guessing inadequate .