Missing MH370 jet search area ruled out

Missing MH370 jet search area ruled out

Credit: Australia Department of Defence via Getty Images

AT SEA - APRIL 17: In this handout image provided by Commonwealth of Australia, Department of Defence, Commander James Lybrand Mission Commander ADV Ocean Shield (L)and Chris 'Sharkie' Moore, Phoenix Team Lead, watch the launching the Phoenix Autonomous Underwater Vehicle (AUV) Artemis off the deck of ADV Ocean Shield on April 17, 2014. Twenty-six nations have been involved in the search for Malaysia Airlines Flight MH370 since it disappeared more than a month ago. The Malaysian Airways aircraft went missing on 8th March 2014 whilst on a flight between Kuala Lumpur and Beijing. (Photo by LSIS Bradley Darvill/Australia Department of Defence via Getty Images)

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by KIM HJELMGAARD

USA Today

Posted on May 29, 2014 at 11:20 AM

Acoustic signals thought to be linked to missing Malaysia Airlines flight MH370 have been ruled out as related to the final resting place of the vanished plane, investigators leading the search said Thursday.

The U.S. Navy's Bluefin 21 finished its final underwater mission in the southern Indian Ocean on Wednesday after scouring 330 square miles, the Australian-based Joint Agency Coordination Center said.

"The area can now be discounted as the final resting place of MH370," the JACC said in a statement.

The agency said that an expanded search of 21,600 sq. miles, based on satellite analysis of the plane's most likely route, would probably begin in August after commercial side-scan sonar operators are contracted.

That search is expected to last 12 months.

Earlier, U.S. Navy spokesman Chris Johnson dismissed comments made by ocean engineering expert Michael Dean to CNN that acoustic "pings" heard in the area in April did not come from the jet's black boxes. Dean had said those "pings" came from a source unrelated to the jet.

"Mike Dean's comments today were speculative and premature," Johnson said in a statement. Washington-based Dean could not be immediately reached for comment.

The plane carrying 227 passengers and 12 crew vanished on March 8 on a flight from Kuala Lumpur to Beijing. Two-thirds of those traveling on the plane were from China.

On Tuesday, the Malaysian government made public 47 pages of raw satellite data used to conclude that the jet crashed into the southern Indian Ocean.Authorities believe the jet diverted sharply from its flight path and flew south to the Indian Ocean. But not a single piece of the missing Boeing 777 has been found in one of aviation's most baffling mysteries.

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