the java sea, these two large pieces. >> reporter: certainly a significant find, victor. easily the biggest found so far in the search. it really is a case of two steps forward and one step back. these were found just before midnight on friday. but saturday's search, they couldn't get any closer just because the weather was so bad. as you say, big waves in the area. driving rain and winds which making it obviously very difficult for helicopter crews to get out there to take divers out to the ships. leaving if they could. they got the roc on the vessel which they could not deploy either just because the weather is too bad. but certainly, these two pieces of debris could provide a major clue as to where the main debris field is. the working assumption is still very much the plane went down, the fuselage, mainly intact. which is where the searchers