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New search zone designated for Malaysia Airlines jet in Indian Ocean

Air Transportation DisastersAustraliaMalaysia Airlines Flight 370BoeingMalaysiaNational Transportation Safety Board
A 23,000-square-mile area in the southern Indian Ocean is the new focus zone in the Malaysia jet search
New search zone for Malaysian Airlines Flight 370 is farther south than the area combed this spring
Analysts say Malaysian jet crew was probably deprived of oxygen and unresponsive in flight's final hours

Australian authorities said Thursday that a 23,000-square-mile area in the southern Indian Ocean had been designated as a new focus zone where searchers will look for missing Malaysia Airlines Flight 370.

Analysts who helped define the area said in a report the crew was probably deprived of oxygen and unresponsive in the final hours of the flight.   

Experts from Boeing and the U.S. National Transportation Safety Board were among the specialists who helped define the zone, based on satellite data and analysis of previous similar incidents.

The new zone, about 1,100 miles west of Perth, Australia, is farther south than where previous intensive search efforts were carried out this spring after the plane vanished March 8 with 239 people aboard. The flight was en route from Kuala Lumpur to Beijing when it went missing. 

Intensive searching involving aircraft, ships and a robotic submarine in March, April and May yielded no wreckage or other conclusive signs of the Boeing 777. The cause of the plane’s disappearance remains undetermined, although investigators have said they believe that it was the result of deliberate action of someone aboard the jet.

In the analysts’ report, released Thursday by the Australian Transport Safety Bureau, they noted that for the five hours leading up to the aircraft’s final electronic “handshake” with a satellite, there seemed to be no large changes to the aircraft’s flight path, and there was no radio communication.

Based on that and other factors, they concluded, “the final stages of the unresponsive crew/hypoxia event type appeared to best fit the available evidence for the final period of MH370’s flight when it was headed in a generally southerly direction.”

Australia Deputy Prime Minister Warren Truss said the search was continuing with a mapping of the ocean floor in the newly defined area, to be followed by a comprehensive seafloor search. 

The seafloor search, he said, should start around August and be completed within one year. The area is 58 miles wide and 400 miles long, covering an area as big as Lake Huron, the second-largest of the U.S. Great Lakes. By comparison, the area searched with a robotic, sonar-equipped submarine in May was about 330 square miles.

Malaysia and Australia said they were developing a memorandum of understanding to determine exact areas of cooperation in the search and recovery activities and work out financial details. Although Malaysia is officially the lead nation on the search and recovery, Australia has already said it will probably spend about $80 million on the effort by mid-2015.

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Copyright © 2014, Los Angeles Times
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Air Transportation DisastersAustraliaMalaysia Airlines Flight 370BoeingMalaysiaNational Transportation Safety Board
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