what's concerning to me is it appears there's pieces of liferaft. that would indicate to me that these liferaft they don't deploy automatically themselves and the fact that the one emergency door separated by itself may indicate that it was actually ejected from the aircraft and that the emergency raft was deployed somehow. so that gives us hope that perhaps the aircraft did go as one piece and there may have been or may still be some survivors and we can keep hope for that. >> they are out there searching at this time. mary the debris field, the pattern here the objects that you see, what does it tell you then now about what might have happened in the air, about what might have gone wrong, if it didn't break up in the air, what does that mean? >> well it means most likely that the plane was of course as everyone already knows, going through extreme weather. but it does continue to point to some kind of an aerodie dmamic stall. there's a reason that the plane