Malaysian leader: Debris found on island is from Flight 370

KUALA LUMPUR, Malaysia (AP) - A piece of a wing found washed up on Reunion Island last week is from Malaysia Airlines Flight 370 that vanished last year, Malaysia's prime minister announced early Thursday, saying he hoped the news would end the "unspeakable" uncertainty of the passengers' families.

The disappearance of the Boeing 777 jetliner 515 days ago while on a flight from Kuala Lumpur to Beijing on March 8, 2014, has been one of the biggest mysteries in aviation history. Officials believed it crashed in the southern Indian Ocean, killing all 239 people aboard, but it is still unknown why the plane went down.

"It is with a very heavy heart that I must tell you that an international team of experts has conclusively confirmed that the aircraft debris found on Reunion Island is indeed MH370," Prime Minister Najib Razak told reporters. The French territory is thousands of miles from the area being searched for wreckage from the flight.

U.S. and French officials involved in the investigation were more cautious, stopping short of full confirmation but saying it made sense that the metal piece of the wing, known as the flaperon, came from Flight 370.

Intact and encrusted with barnacles, the flaperon was found on a beach and sent to France for scrutiny by the French civil aviation investigation department known by its acronym BEA, and members from its Malaysian and Australian counterparts.

"We now have physical evidence that, as I announced on 24th March last year, flight MH370 tragically ended in the southern Indian Ocean," Najib said.

"The burden and uncertainty faced by the families during this time has been unspeakable. It is my hope that this confirmation, however tragic and painful, will at least bring certainty to the families and loved ones of the 239 people onboard MH370. They have our deepest sympathy and prayers," he said.

At a news conference in Paris, Deputy Prosecutor Serge Mackowiak didn't outright confirm that the debris belonged to Flight 370 but said there were strong indications that it was the case.

"The very strong conjectures are to be confirmed by complementary analysis that will begin tomorrow morning," Mackowiak said. "The experts are conducting their work as fast as they can in order to give complete and reliable information as quickly as possible."

A U.S. official familiar with the investigation said the flaperon clearly is from a Boeing 777. However, a team of experts in France examining the part hadn't yet been able to find anything linking it specifically to the missing plane, the official said, speaking on condition of anonymity because there was no authorization to talk publicly about the case.

With no other 777s or flaperons known to be missing, it makes sense that the part comes from Flight 370, but the U.S. and Boeing team members are merely trying "to be precise," the official said.

Analysts say the investigators will examine the metal with high-powered microscopes to gain insight into what caused the plane to go down. It is also not known why Flight 370 - less than an hour into the journey - turned back from its original flight path and headed in an opposite direction before turning left and flying south over the Indian Ocean for hours.

Malaysia Airlines said in a statement that relatives of the passengers and crew "have already been informed and we extend our deepest sympathies to those affected."

The statement said the finding was "indeed a major breakthrough for us in resolving the disappearance of MH370. We expect and hope that there would be more objects to be found which would be able to help resolve this mystery."

Jacquita Gomes, the wife of crew member Patrick Gomes, said she was informed by the airline of the news about a half-hour before Najib's announcement.

"Now that they have confirmed it as MH370, I know my husband is no longer of this world but they just can't leave it with this one flaperon. We urge them to continue searching until they find the plane and bring it back," she said.

"We still need to know what happened. They still need to find the plane. They still need to find the black box to get the truth out," she said. "It brings some sort of closure but not a complete closure. We don't know what happened and where the plane went down. It's not over yet."

Gomes said she hopes to get her husband's body back so that the family can give him a proper burial and say goodbye.

She said she watched the announcement on TV with one of her daughters, while her youngest child, a 15-year-old son, was asleep.

"My son doesn't know yet that his dad is really gone, that he won't be back," she said, in tears. "I will have to tell him tomorrow before he goes to school."

Highly technical efforts to extrapolate the jet's final hours before it would have run out of fuel gave force to the theory that it went down somewhere in the southern Indian Ocean.

No one is certain why the plane deviated so far from its planned route.

Analysts have said a close look at the wing part could indicate what kind of stress the plane was under as it made impact. It won't fully solve the mystery of why the plane disappeared, nor will it help pinpoint where the plane crashed.

A six-week air and sea search covering 4.6 million square kilometers (1.8 million square miles) of the southern Indian Ocean surface early last year failed to find any trace of the jetliner. The Reunion Island debris would be consistent with the working theory that the jet went down in the Indian Ocean and the debris was carried by the current, which moves counterclockwise.

Malaysian officials, who are leading the investigation into the plane's disappearance, have said the plane's movements were consistent with deliberate actions by someone on the plane, suggesting someone in the cockpit intentionally flew the aircraft off-course.

Since last year, Australian officials who are leading the search effort have operated on the theory that the plane flew on autopilot for hours before running out of fuel and crashing into the ocean. Investigators settled on that scenario after analyzing data exchanged between the plane and a satellite, which showed the jetliner took a straight path across the ocean. Australian Transport Safety Bureau chief commissioner Martin Dolan said last year that investigators assume the autopilot would have to have been manually switched on, again suggesting that someone in the cockpit deliberately steered the plane off-course.

In defining the search area, the Australian Transport Safety Bureau also operated on the theory that the crew was unresponsive, possibly suffering from oxygen deprivation, as the plane flew on autopilot. The agency said this was indicated by the loss of radio communications and a long period without any maneuvering of the plane, though it emphasized this was only a working theory and did not mean that accident investigators led by Malaysia would reach a similar conclusion.

A loss of cabin air pressure could cause oxygen deprivation, or hypoxia, which could make pilots unable to perform even basic tasks.

Some analysts argue that the apparent lack of damage to the piece of wreckage indicates a controlled landing on the ocean, with the jet sinking largely intact.

Another theory is that the jet plunged into the water vertically, snapping off both wings but preserving the fuselage. Yet another possibility, supported by a flight simulator, is that an out-of-fuel Boeing 777 would belly-flop heavily tail-first, disintegrating on impact.

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Associated Press writers Paul Joshua in Kuala Lumpur, Thomas Adamson in Paris and Joan Lowy in Washington contributed to this report.

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This story has been corrected to show the spelling of the first name of the crew member's wife is Jacquita, not Jackquita.

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