wing. it looks like it struck some object but, in fact this wing hit the water. the water being a very very hard surface when you hit it fast. reporter: and if you re talking about a 777 hitting the water it would be immensely more noticeable. and that 777 would be moving at much higher speed than this aircraft here. so therefore the energy would be greater. reporter: even with all the pieces investigators are able to put back together if they don t recover the part of the plane that failed in flight the cause of the crash may remaybe a mystery. stephanie elam, cnn, los angeles. joining me now to talk about these developments cnn aviation analyst less auburn and les, let me go to you, that the four objects were found is progress. significant you ve got one 59 feet long. what does it tell us? let s hope these are the objections. remember we had a little miscommunication earlier in the