Bluefin-21

Leading the under-water search is australian search teams. Australia has been at the forefront of the search and has funded all the money to fund its search operations.However although they can take credit for leading the search effort it is mainly what they are using that is important.  The American made AUV (Autonomous Underwater Vehicle) Bluefin-21 has provided the search as a whole with the most efficient way to clear possible areas where the wreckage may be located.. Early on it was used to hear "pings" emmited by the airlines black box flight recorders. But since the search teams have declared that the flight recorders have since ceased to emmit these pings of 37.5KHz. Australia have made an official call upon the international community to provide financial aid to the search teams. This is in light of a new search are being announced which is expected to take a minimum of eight monts and $60million to complete. The search is now completeley focused on underwwater searches for wreckage after the official end of the ariel search in accordance with search and rescue protocol as any wreckage floating on the surface would be waterlogged and would have sank after this six week period. The following video explains the benefits of The Bluefin-21.

Video and picturefrom bbc website