>> when we look at that route as pilots, we all look at the charts and we look for the way points and the airways. there aren't any. it's as remote as you can get and still be on this planet. >> this is where experts believe the wreckage of flight 370 may lie. finding it, an immeasurable challenge. >> plenty offal gee out there at the moment. we're not searching for a needle in a haystack. we're looking for the haystack. >> they set out in hopes of finding the plane and failed. >> this is no easy task. we have very good techniques for detecting needles in haystacks. we have high confidence that if we've got the right haystack, we'll find the needle in it. >> the australian transportation safety bureau was leading the search with chief commissioner martin dolan in charge. >> it's six days sailing out