Drone diving to record level in Malaysian plane search
Published on Apr 19, 2014 10:30 AM
PERTH (REUTERS) - A US Navy deep-sea drone is diving to unprecedented depths to scour a remote stretch of the Indian Ocean floor for a missing Malaysian jetliner as the Malaysian government said it may use more remote control submarines to help with the search.
The Bluefin-21 and its "side scan" sonar has become the focal point of the search 2,000 km west of the Australian city of Perth, where authorities believe Malaysia Airlines Flight MH370 hit the ocean after disappearing from radars on March 8 with 239 people on board.
Now in its seventh week, the search has centred on a city-sized area where a series of "pings" led authorities to believe the plane's black box may be located. But after almost two weeks without a signal, and long past the black box battery's 30-day life expectancy, authorities have turned to the Bluefin-21.
After the Bluefin-21's searches were frustrated by an automatic safety mechanism which returns it to the surface when it exceeds a depth of 4.5 km, authorities have adjusted the mechanism and have sent it as deep as 4,695 metres, a record.
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