hearing a pilot say this could be a hint to what happened. why could this be a big deal, what could a partial ping be, when a plane hits the water? >> the ping aspect is above my pay grade. it is incredible what these folks -- >> forgive me for throwing that at you. >> no, it is fine. where i was going with this is that to me, i discussed this on another program was that it is possible that that might have been the last engine that burned, ran out of fuel. when that happens, the airplane is designed to automatically deploy a system, a rat as we call it in the business, and that will allow for electricity and some hydraulics. so what it could have indicated was a transfer of power, very quickly, because that bus may not -- the bus that powers that satellite system that created the ping may not be on that emergency rat system, if that