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MH370 search suffers major setback

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iol pic wld_MALAYSIA-AIRLINES-TRUSS_0529_11

Reuters

Australia's deputy prime minister said officials remained confident the missing Malaysia Airlines jet is somewhere in the southern Indian Ocean despite searchers saying wreckage was not on the seabed in the area they had identified. Picture: Mass Communication Specialist 1st Class Peter D Blair, US Navy, via Reuters

Sydney - The search for a missing Malaysia Airlines jetliner suffered a further setback on Thursday after Australian officials said wreckage from the aircraft was not on the seafloor in the area they had identified.

Flight MH370, carrying 239 passengers and crew, disappeared from radar screens on March 8 shortly after taking off from Kuala Lumpur bound for Beijing.

Investigators say what little evidence they have to work with, including the loss of communications, suggests the Boeing 777 was deliberately diverted thousands of kilometres from its scheduled route.

The search was narrowed last month after a series of acoustic pings thought to be from the plane's black box recorders were heard near where analysis of satellite data put its last location, about 1 600km off the north-west coast of Australia.

“The Australian Transport Safety Bureau (ATSB) has advised that the search in the vicinity of the acoustic detections can now be considered complete and, in its professional judgment, the area can now be discounted as the final resting place of MH370,” the agency in charge of the search said in a statement.

The discovery of the pings on April 5 and 8 was hailed as a significant breakthrough, with Australian Prime Minister Tony Abbott expressing confidence that searchers knew where the plane wreckage was within a few kilometres.

However, a thorough scan of the 850-square-kilometre area around the pings with an unmanned submarine failed to find any sign of wreckage. No debris linked to the plane has been picked up despite the most extensive and expensive search effort in aviation history.

Earlier on Thursday, CNN quoted Michael Dean, the US Navy's deputy director of ocean engineering, and said authorities now almost universally believe the pings did not come from the plane's onboard data or cockpit voice recorders.

“Our best theory at this point is that (the pings were) likely some sound produced by the ship ... or within the electronics of the Towed Pinger Locator,” Dean told CNN.

The search zone had already been extended to a 60 000 square-kilometre zone that is being surveyed by a Chinese vessel. It will then be searched by a commercial operator in a mission that is expected to start in August and take up to a year, at a cost of A$60 million ($55 million) or more.

Malaysia's government and British satellite firm Inmarsat released data this week used to determine the path of MH370.

Families of the missing passengers are hoping that opening up the data to analysis by a wider range of experts could help verify the plane's last location.

Australian authorities said the data supported the theory that the plane crashed after running out of fuel.

Along with surface searches, examination of satellite data and the undersea sonar searches, authorities have asked the United Nations' Comprehensive Nuclear Test Ban Treaty Organisation (CTBTO) to check its system of hydrophones, designed to pick up possible nuclear tests, for any clues as to where the aircraft may have crashed.

“Both the CTBTO and institutions from our 183 Member States... have analysed all relevant International Monitoring System data - infrasound, seismic and hydroacoustic - without finding any signal that could point to the fate of MH370,” a spokesman from CTBOT said in an emailed response. - Reuters


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