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MH370 search: Could debris be from missing plane? MH370 search: Does debris solve the mystery?
(about 4 hours later)
The discovery of an aeroplane part on the island of Reunion in the Indian Ocean is being investigated to see if it came from missing Malaysia Airlines flight MH370. Malaysian authorities have said an aeroplane part found on the island of Reunion in the Indian Ocean did come from missing Malaysia Airlines flight MH370.
The plane disappeared between Kuala Lumpur and Beijing in March 2014 with 239 people on board - no trace has ever been found. International investigators were more cautious, however, saying only there were "very strong" indications this was the case.
The plane disappeared between Kuala Lumpur and Beijing in March 2014 with 239 people on board - this is the first trace of it found.
What are the chances this find will solve one of the biggest aviation mysteries ever?What are the chances this find will solve one of the biggest aviation mysteries ever?
What do we know about the fragment?What do we know about the fragment?
The 2m-long (6ft) piece was found by volunteers cleaning a beach in St Andre, on the north-east of the island, on 29 July.The 2m-long (6ft) piece was found by volunteers cleaning a beach in St Andre, on the north-east of the island, on 29 July.
Air safety investigators have since identified the piece as a flaperon from a Boeing 777 - the same plane model as MH370. Air safety investigators identified the piece as a flaperon from a Boeing 777 - the same plane model as MH370.
It is now being examined in Toulouse in south-west France. It was taken to Toulouse in south-west France to be examined. The Malaysian authorities said they wanted "tangible and irrefutable evidence" that the part belonged to MH370 before they told the families of the victims.
But officials have urged caution and Malaysian authorities say they want "tangible and irrefutable evidence" that the part belongs to MH370 before they tell the families of the victims. On 6 August, Malaysian Prime Minister Najib Razak said the investigators had "conclusively confirmed that the aircraft debris [...] is indeed MH370".
How long has it been in the sea? Why have investigators been more cautious?
The fact that the part is quite large could bolster the theory that it has not been in the ocean for long. Paris prosecutor Serge Mackowiak said there were "two reasons why there is a very strong presumption that the fragment found on the beach on Reunion Island on 29 July 2015 does belong to the Boeing 777 Malaysia Airlines flight MH370".
The BBC's Hugh Schofield in Paris says this does not mean he has doubts, but simply that he is exercising supreme legal caution.
Further tests will be carried out, he says, and it could be months before investigators make any tentative deductions about how the plane may have come down.
Australia, which is leading the ocean search for the plane, also noted the French-led team was "continuing to finalise its considerations of the wreckage".
How long had the flaperon been in the sea?
Ellis Taylor, an editor with aviation analysis and news company FlightGlobal, told the BBC it was hard to determine the age, as it appears to be made of composite material such as carbon fibre and resin, which can be very hardy and resistant to erosion.Ellis Taylor, an editor with aviation analysis and news company FlightGlobal, told the BBC it was hard to determine the age, as it appears to be made of composite material such as carbon fibre and resin, which can be very hardy and resistant to erosion.
Robin Beaman, a marine geologist with Australia's James Cook University, said the pictures showed substantial marine growth - gooseneck or stalked barnacles - on the debris. These are commonly found on flotsam in the Indian Ocean, he told the BBC, and only on objects floating on the surface.Robin Beaman, a marine geologist with Australia's James Cook University, said the pictures showed substantial marine growth - gooseneck or stalked barnacles - on the debris. These are commonly found on flotsam in the Indian Ocean, he told the BBC, and only on objects floating on the surface.
Mr Beaman said it was obvious from the barnacle growth that the part had been drifting for "quite a long time".Mr Beaman said it was obvious from the barnacle growth that the part had been drifting for "quite a long time".
But he said it was hard to say how long exactly - it could be years or months - and that it was also unclear how long the part had been onshore before it was found.But he said it was hard to say how long exactly - it could be years or months - and that it was also unclear how long the part had been onshore before it was found.
How far is it from the search site? How far was it from the search site?
The Australian-led search has focused on a 60,000sq-km area south-west of Perth - Reunion is roughly 6,000km (3,700 miles) west of there.The Australian-led search has focused on a 60,000sq-km area south-west of Perth - Reunion is roughly 6,000km (3,700 miles) west of there.
Though it is a huge distance, experts say it is possible that a piece of debris could have travelled that distance in a year.Though it is a huge distance, experts say it is possible that a piece of debris could have travelled that distance in a year.
Investigators said on 5 August that the flaperon's location in Reunion is "consistent" with their calculations on where they believe MH370 went down. Investigators have said the discovery in Reunion was "consistent" with their calculations on where they believe MH370 went down.
Australia's national science agency CSIRO has computer simulations of the debris path showing the pieces would have initially stayed at the latitude of the search site, before winds and currents - known as the Indian Ocean gyre - pushed them in a north-west arc.Australia's national science agency CSIRO has computer simulations of the debris path showing the pieces would have initially stayed at the latitude of the search site, before winds and currents - known as the Indian Ocean gyre - pushed them in a north-west arc.
On where the debris could have ended up, CSIRO oceanographer David Griffin says: "Madagascar was probably the highest probability, and Reunion is not far from that in the scheme of things."On where the debris could have ended up, CSIRO oceanographer David Griffin says: "Madagascar was probably the highest probability, and Reunion is not far from that in the scheme of things."
Mr Beaman noted that a boat lost off the Western Australian coast last year was found nearly intact eight months later, west of Madagascar.Mr Beaman noted that a boat lost off the Western Australian coast last year was found nearly intact eight months later, west of Madagascar.
If it's not MH370, what else could it be? Could it have been from any other plane?
There is no shortage of vehicle debris floating in the oceans so the officials needed to be certain this flaperon hadn't come from a different type of plane. Investigators were expected to look for a serial number on the flaperon to confirm the link to MH370.
Several aeroplanes have crashed in the Indian Ocean or in the vicinity of Reunion in the past two decades, although none were Boeing 777s.Several aeroplanes have crashed in the Indian Ocean or in the vicinity of Reunion in the past two decades, although none were Boeing 777s.
Two crashes involved large aircraft which ended up in waters near the Comoros Islands.Two crashes involved large aircraft which ended up in waters near the Comoros Islands.
One is Yemenia Airways IY626 which crashed in 2009, killing everyone on board except for a teenage girl. The aeroplane was an Airbus 310.One is Yemenia Airways IY626 which crashed in 2009, killing everyone on board except for a teenage girl. The aeroplane was an Airbus 310.
The other is Ethopian Airlines ET961 - the Boeing 767 was hijacked in 1996 and crashed after the engines were switched off due to low fuel.The other is Ethopian Airlines ET961 - the Boeing 767 was hijacked in 1996 and crashed after the engines were switched off due to low fuel.
How long will it take to confirm the plane part's identity?
Aeroplane parts, including flaperons, usually come with details such as a serial number, its manufacturer, and safety certification.
Investigators will need to check for the part's identification details and trace it to the manufacturer, which in turn would have to check its database to see which plane the part was used in.
If these details are still intact on the plane part, this process would likely take "a couple of days," Ellis Taylor from FlightGlobal says.
Could it help us actually find out what happened to MH370?Could it help us actually find out what happened to MH370?
The BBC's transport correspondent Richard Westcott says if the debris is confirmed as part of the plane it would reveal that the aircraft crashed and broke up - but is unlikely to reveal much more about what actually happened on board.The BBC's transport correspondent Richard Westcott says if the debris is confirmed as part of the plane it would reveal that the aircraft crashed and broke up - but is unlikely to reveal much more about what actually happened on board.
Greg Waldron, of Flightglobal, said what is really needed are the plane's flight recorders - one piece alone won't solve the mystery, he told the BBC.Greg Waldron, of Flightglobal, said what is really needed are the plane's flight recorders - one piece alone won't solve the mystery, he told the BBC.
David Griffin from CSIRO said it would not affect the existing search. "You can't trace the flight path with enough certainty based on this," he said.David Griffin from CSIRO said it would not affect the existing search. "You can't trace the flight path with enough certainty based on this," he said.
"All we can say is that the plane part's location is consistent with our flight calculations, and it won't affect the seafloor search for MH370.""All we can say is that the plane part's location is consistent with our flight calculations, and it won't affect the seafloor search for MH370."
Marine salvage expert David Mearns agreed with this assessment. He told the BBC that even if the debris was from MH370, the "uncertainty is too great" to find the crash site given that the plane disappeared 16 months ago.Marine salvage expert David Mearns agreed with this assessment. He told the BBC that even if the debris was from MH370, the "uncertainty is too great" to find the crash site given that the plane disappeared 16 months ago.
"I have backtracked wreckage to locate shipwrecks but only over a drift period of one to three days," he said."I have backtracked wreckage to locate shipwrecks but only over a drift period of one to three days," he said.
What do the families say?What do the families say?
Jacquita Gonzales, whose husband was a crew member on the plane, told the BBC: "A part of me hopes that it is [MH370] so that I could have some closure and bury my husband properly. Jacquita Gonzales, whose husband was a crew member on the plane, said: "Now I want to know where the main body of the plane is so that we can take out the passengers and get the black box so we can know what happened."
"But the other part of me says 'no, no, no' because there is still hope. So I'm torn between the two." "Only that, for us, will be full closure," AFP quoted her as saying.
Sarah Bajc, whose partner was on board, told the BBC: "Perhaps families will finally have the chance to grieve now, though this doesn't solve the mystery or hold anyone accountable."
"It hurts to have to give up that last thread of hope, but there is also a sad relief."
The BBC's John Sudworth in Beijing says many Chinese families have been reluctant to believe the plane crashed, citing lack of evidence, and there is lingering mistrust about the authorities' handling of the disaster.The BBC's John Sudworth in Beijing says many Chinese families have been reluctant to believe the plane crashed, citing lack of evidence, and there is lingering mistrust about the authorities' handling of the disaster.
"Every time we get news like this it is like a knife to the heart," said the mother of one of the passengers. "Every time we get news like this it is like a knife to the heart," said the mother of one of the passengers last week.