MH370: ATSB says new Reunion debris 'unlikely' from missing jet

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Australia Says MH370 Search Continues in the Right Area

An object found on the Indian Ocean island of Reunion earlier this month is "unlikely" have come from missing Malaysia Airlines Flight MH370, investigators search for the jet said Wednesday.

The 8-by-15-inch piece of ocean debris was found March 3 by Johnny Begue, the beachcomber who last year discovered a barnacle-covered wing fragment that is the only confirmed piece of wreckage from MH370.

Begue's discovery came to light at as two other objects were reported to authorities in Mozambique on the east African coast.

The Boeing 777 vanished on March 8, 2014 while en route from Kuala Lumpur to Beijing with 239 people on board.

See photos of the plane debris found:

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MH370: ATSB says new Reunion debris 'unlikely' from missing jet
Joao de Abreu, President of Mozambique's Civil Aviation Institute (IACM), holds a piece of suspected aircraft wreckage found off the east African coast of Mozambique at Mozambique's Civil Aviation Institute (IACM) in Maputo on March 3, 2016. A hunk of suspected aircraft wreckage found off the east African coast will be sent to Australia where experts will examine whether it is a new piece in the puzzle of missing flight MH370, officials said. The fragment was reportedly found near Mozambique and could provide clues in the huge and costly Australia-led investigation into what happened to the ill-fated Malaysia Airlines flight that disappeared nearly two years ago. / AFP / ADRIEN BARBIER (Photo credit should read ADRIEN BARBIER/AFP/Getty Images)
Joao de Abreu, president of Mozambique's Civil Aviation Institute (IACM), holds a piece of suspected aircraft wreckage found off the east African coast of Mozambique at Mozambique's Civil Aviation Institute (IACM) in Maputo on March 3, 2016. A hunk of suspected aircraft wreckage found off the east African coast will be sent to Australia where experts will examine whether it is a new piece in the puzzle of missing flight MH370, officials said. The fragment was reportedly found near Mozambique and could provide clues in the huge and costly Australia-led investigation into what happened to the ill-fated Malaysia Airlines flight that disappeared nearly two years ago. / AFP / ADRIEN BARBIER (Photo credit should read ADRIEN BARBIER/AFP/Getty Images)
A photo taken on March 3, 2016 shows a piece of suspected aircraft wreckage found off the east African coast of Mozambique at Mozambique's Civil Aviation Institute (IACM) in Maputo. A hunk of suspected aircraft wreckage found off the east African coast will be sent to Australia where experts will examine whether it is a new piece in the puzzle of missing flight MH370, officials said. The fragment was reportedly found near Mozambique and could provide clues in the huge and costly Australia-led investigation into what happened to the ill-fated Malaysia Airlines flight that disappeared nearly two years ago. / AFP / ADRIEN BARBIER (Photo credit should read ADRIEN BARBIER/AFP/Getty Images)
A photo taken on March 3, 2016 shows a piece of suspected aircraft wreckage found off the east African coast of Mozambique at Mozambique's Civil Aviation Institute (IACM) in Maputo. A hunk of suspected aircraft wreckage found off the east African coast will be sent to Australia where experts will examine whether it is a new piece in the puzzle of missing flight MH370, officials said. The fragment was reportedly found near Mozambique and could provide clues in the huge and costly Australia-led investigation into what happened to the ill-fated Malaysia Airlines flight that disappeared nearly two years ago. / AFP / ADRIEN BARBIER (Photo credit should read ADRIEN BARBIER/AFP/Getty Images)
In this photo dated Wednesday, July 29, 2015, French police officers inspect a piece of debris from a plane in Saint-Andre, Reunion Island. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing. (AP Photo/Lucas Marie)
Journalists stand next to a police officer holding a piece of plastic found on the sea front of Saint-Denis, on the French Indian Ocean island of La Reunion, on August 4, 2015. Last week a wing part washed up on the French Indian Ocean island of La Reunion, and has been taken to France to for physical and chemical analysis. In one of the most baffling mysteries in aviation history, MH370 inexplicably veered off course in March 2014 and disappeared from radars, sparking a colossal hunt that has until now proved fruitless. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
A police officer holds a piece of plastic found on the sea front of Saint-Denis, on the French Indian Ocean island of La Reunion, on August 4, 2015. Last week a wing part washed up on the French Indian Ocean island of La Reunion, and has been taken to France to for physical and chemical analysis. In one of the most baffling mysteries in aviation history, MH370 inexplicably veered off course in March 2014 and disappeared from radars, sparking a colossal hunt that has until now proved fruitless. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
Local residents look for debris on a beach of the Etang de Bois Rouge on the sea front of Saint-Andre, on the French Indian Ocean island of La Reunion, on August 4, 2015. Last week a wing part washed up on the French Indian Ocean island of La Reunion, and has been taken to France to for physical and chemical analysis. In one of the most baffling mysteries in aviation history, MH370 inexplicably veered off course in March 2014 and disappeared from radars, sparking a colossal hunt that has until now proved fruitless. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
Johnny Begue (C), who stumbled across a piece of plane wreckage from the ill-fated Malaysia Airlines flight MH370 on the beach on July 29, 2015, help repair the costline in Saint-Andre on the east of the French island of La Reunion, on August 6, 2015. The two-metre (six-foot) long piece of wing, was half covered in sand and had barnacles encrusted on its edges. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
Malaysian Prime Minister Najib Razak, center, gestures before speaking at a special press conference announcing the findings for the ill fated flight MH370 in Kuala Lumpur, Malaysia, early Thursday, Aug. 6, 2015. Experts have confirmed that the debris found on Reunion Island last week was that of Malaysian Airlines flight 370 that went missing last year, Malaysia's prime minister said early Thursday. (AP Photo/Vincent Thian)
Police officers inspect metallic debris found on a beach in Saint-Denis on the French Reunion Island in the Indian Ocean on August 2, 2015, close to where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week. A piece of metal was found on La Reunion island, where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week, said a source close to the investigation. Investigators on the Indian Ocean island took the debris into evidence as part of their probe into the fate of Malaysia Airlines flight MH370, however nothing indicated the piece of metal came from an airplane, the source said. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
This picture taken on August 2, 2015 shows metallic debris found on a beach in Saint-Denis on the French Reunion Island in the Indian Ocean, close to where where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week. A piece of metal was found on La Reunion island, where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week, said a source close to the investigation. Investigators on the Indian Ocean island took the debris into evidence as part of their probe into the fate of Malaysia Airlines flight MH370, however nothing indicated the piece of metal came from an airplane, the source said. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
Police officers leave the scene with container holding metallic debris found on a beach in Saint-Denis on the French Reunion Island in the Indian Ocean on August 2, 2015, close to where where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week. A piece of metal was found on La Reunion island, where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week, said a source close to the investigation. Investigators on the Indian Ocean island took the debris into evidence as part of their probe into the fate of Malaysia Airlines flight MH370, however nothing indicated the piece of metal came from an airplane, the source said. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
Police officers inspect and photograph metallic debris found on a beach in Saint-Denis on the French Reunion Island in the Indian Ocean on August 2, 2015, close to where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week. A piece of metal was found on La Reunion island, where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week, said a source close to the investigation. Investigators on the Indian Ocean island took the debris into evidence as part of their probe into the fate of Malaysia Airlines flight MH370, however nothing indicated the piece of metal came from an airplane, the source said. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
Workers for an association responsible for maintaining paths to Jamaica beach from being overgrown by shrubs, search the beach for possible additional airplane debris near the shore where an airplane wing part was washed up, in the early morning near to Saint-Denis on the north coast of the Indian Ocean island of Reunion Sunday, Aug. 2, 2015. A barnacle-encrusted wing part that washed up on the remote Indian Ocean island earlier could help solve one of aviation's greatest mysteries, as investigators work to connect it to the Malaysia Airlines Flight 370 that vanished more than a year ago with 293 people aboard. (AP Photo/Fabrice Wislez)
Police officers inspect metallic debris found on a beach in Saint-Denis on the French Reunion Island in the Indian Ocean on August 2, 2015, close to where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week. A piece of metal was found on La Reunion island, where a Boeing 777 wing part believed to belong to missing flight MH370 washed up last week, said a source close to the investigation. Investigators on the Indian Ocean island took the debris into evidence as part of their probe into the fate of Malaysia Airlines flight MH370, however nothing indicated the piece of metal came from an airplane, the source said. AFP PHOTO / RICHARD BOUHET (Photo credit should read RICHARD BOUHET/AFP/Getty Images)
Workers for an association responsible for maintaining paths to the beaches from being overgrown by shrubs, search the beach for possible additional airplane debris near the shore where an airplane wing part was washed up, in the early morning near to Saint-Andre on the north coast of the Indian Ocean island of Reunion Friday, July 31, 2015. A barnacle-encrusted wing part that washed up on the remote Indian Ocean island could help solve one of aviation's greatest mysteries, as investigators work to connect it to the Malaysia Airlines Flight 370 that vanished more than a year ago with 293 people aboard. (AP Photo/Ben Curtis)
Workers for an association responsible for maintaining paths to the beaches from being overgrown by shrubs, search the beach for possible additional airplane debris near the area where an airplane wing part was washed up, in the early morning near Saint-Andre on the north coast of the Indian Ocean island of Reunion Friday, July 31, 2015. A barnacle-encrusted wing part that washed up on the remote Indian Ocean island could help solve one of aviation's greatest mysteries, as investigators work to connect it to the Malaysia Airlines Flight 370 that vanished more than a year ago with 293 people aboard. (AP Photo/Ben Curtis)
Johnny Begue, 46, who says he found the piece of aircraft debris that is being investigated, walks on Bois-Rouge beach where the debris was washed up, near to Saint-Andre on the north coast of the Indian Ocean island of Reunion Friday, July 31, 2015. The fragment may be the first clue as to what happened to Malaysia Airlines Flight 370, which disappeared last year with 293 people aboard. Massive search efforts have failed to find any sign of the plane, and authorities are analyzing the piece to see if it matches the missing plane. (AP Photo/Ben Curtis)
In this photo dated Wednesday, July 29, 2015, French police officers carry a piece of debris from a plane in Saint-Andre, Reunion Island. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing. (AP Photo/Lucas Marie)
In this photo dated Wednesday, July 29, 2015, a piece of debris from a plane is pictured in Saint-Andre, Reunion Island. A 6-foot long piece of an airplane was found off Reunion Island on Wednesday by people cleaning the beach. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing. (AP Photo)
Police carry a piece of debris from an unidentified aircraft found in the coastal area of Saint-Andre de la Reunion, in the east of the French Indian Ocean island of La Reunion, on July 29, 2015. The two-metre-long debris, which appears to be a piece of a wing, was found by employees of an association cleaning the area and handed over to the air transport brigade of the French gendarmerie (BGTA), who have opened an investigation. An air safety expert did not exclude it could be a part of the Malaysia Airlines flight MH370, which went missing in the Indian Ocean on March 8, 2014. AFP PHOTO / YANNICK PITOU (Photo credit should read YANNICK PITOU/AFP/Getty Images)
This image taken from video, shows a piece of debris from a plane, Wednesday, July 29, 2015, in Saint-Andre, Reunion. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing. (Reunion 1ere via AP) FRANCE OUT
In this photo dated Wednesday, July 29, 2015, French police officers carry a piece of debris from a plane in Saint-Andre, Reunion Island. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing. (AP Photo/Lucas Marie)
Police and gendarmes carry a piece of debris from an unidentified aircraft found in the coastal area of Saint-Andre de la Reunion, in the east of the French Indian Ocean island of La Reunion, on July 29, 2015. The two-metre-long debris, which appears to be a piece of a wing, was found by employees of an association cleaning the area and handed over to the air transport brigade of the French gendarmerie (BGTA), who have opened an investigation. An air safety expert did not exclude it could be a part of the Malaysia Airlines flight MH370, which went missing in the Indian Ocean on March 8, 2014. AFP PHOTO / YANNICK PITOU (Photo credit should read YANNICK PITOU/AFP/Getty Images)
ANKARA, TURKEY - JULY 30: Debris found on the island of Reunion east of Madagascar, appears to be part of Malaysia Airlines MH370 that disappeared in 2014. (Photo by Graphic: Ahmet Burak Ozkan/Anadolu Agency/Getty Images)
A policeman and a gendarme stand next to a piece of debris from an unidentified aircraft found in the coastal area of Saint-Andre de la Reunion, in the east of the French Indian Ocean island of La Reunion, on July 29, 2015. The two-metre-long debris, which appears to be a piece of a wing, was found by employees of an association cleaning the area and handed over to the air transport brigade of the French gendarmerie (BGTA), who have opened an investigation. An air safety expert did not exclude it could be a part of the Malaysia Airlines flight MH370, which went missing in the Indian Ocean on March 8, 2014. AFP PHOTO / YANNICK PITOU (Photo credit should read YANNICK PITOU/AFP/Getty Images)
In this image taken from video, police officers looking over a piece of debris from a plane, Wednesday, July 29, 2015, in Saint-Andre, Reunion. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing. (Reunion 1ere via AP) FRANCE OUT
This image taken from video shows a piece of debris from a plane, Wednesday, July 29, 2015, in Saint-Andre, Reunion. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing. (Reunion 1ere via AP) FRANCE OUT
In this his image taken from video, police officers looking at a piece of debris from a plane, Wednesday, July 29, 2015, in Saint-Andre, Reunion. Air safety investigators, one of them a Boeing investigator, have identified the component as a "flaperon" from the trailing edge of a Boeing 777 wing, a U.S. official said. Flight 370, which disappeared March 8, 2014, with 239 people on board, is the only 777 known to be missing. (Reunion 1ere via AP) FRANCE OUT
A policeman and a gendarme stand next to a piece of debris from an unidentified aircraft found in the coastal area of Saint-Andre de la Reunion, in the east of the French Indian Ocean island of La Reunion, on July 29, 2015. The two-metre-long debris, which appears to be a piece of a wing, was found by employees of an association cleaning the area and handed over to the air transport brigade of the French gendarmerie (BGTA), who have opened an investigation. An air safety expert did not exclude it could be a part of the Malaysia Airlines flight MH370, which went missing in the Indian Ocean on March 8, 2014. AFP PHOTO / YANNICK PITOU (Photo credit should read YANNICK PITOU/AFP/Getty Images)
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READ MORE: Airlines Ordered to Boost Real-Time Tracking for Jets

Australian authorities leading the hunt confirmed Wednesday that the two objects from Mozambique -- a suspected chunk of horizontal stabilizer found in a sandbank Feb. 27 by American Blaine Gibson, and an item bearing serial number '676EB' picked up in December by a South African teen -- would be examined by forensic experts.

"Arrangements are being made for the debris to be transported to the Australian Transport Safety Bureau (ATSB) laboratories in Canberra," the ATSB said in an operational update. "Both items will be examined by investigators from Australia and Malaysia, as well as specialists from Boeing, to confirm if they come from an aircraft and establish their origin."

It said officials from Malaysia are continuing discussions with French authorities about debris found on Reunion.

"Current advice is that it is unlikely to be from an aircraft," it added.

The hunt for MH370 will end for good this summer if the wreckage isn't found within the 46,000-square mile search zone in the southern Indian Ocean.

See defining moments in the search for the missing jet:

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NTP: Defining moments in search for MH370
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MH370: ATSB says new Reunion debris 'unlikely' from missing jet
FILE - In this March 31, 2014, photo, the shadow of a Royal New Zealand Air Force P3 Orion is seen on low level cloud while the aircraft searches for missing Malaysia Airlines Flight MH370 in the southern Indian Ocean, near the coast of Western Australia. Part of the mystery of what happened to a Malaysia Airlines plane that vanished last year may be solved with air safety investigators confident that debris found in the Indian Ocean is a wing part unique to the Boeing 777, the same model as the missing jet, a U.S. official said Wednesday, July 29, 2015. Air safety investigators — one of them a Boeing investigator —have identified the component that was found on the French island of Reunion in the western Indian Ocean as a "flaperon" from the trailing edge of a 777 wing, the U.S. official said. (AP Photo/Rob Griffith, File)
FILE - In this March 13, 2014, photo, children run past dedication messages left for passengers and others involved with the missing Malaysia Airlines jetliner MH370 on the walls of the Kuala Lumpur International Airport, in Sepang, Malaysia. Part of the mystery of what happened to a Malaysia Airlines plane that vanished last year may be solved with air safety investigators confident that debris found in the Indian Ocean is a wing part unique to the Boeing 777, the same model as the missing jet, a U.S. official said Wednesday, July 29, 2015. Air safety investigators — one of them a Boeing investigator —have identified the component that was found on the French island of Reunion in the western Indian Ocean as a "flaperon" from the trailing edge of a 777 wing, the U.S. official said. (AP Photo/Wong Maye-E, File)
FILE - In this March 24, 2014, photo, a relative of Chinese passengers aboard Malaysia Airlines Flight 370 grieves after being told the latest news in Beijing, China. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages.(AP Photo/Ng Han Guan, File)
FILE - In this March 30, 2014, photo, newly arrived Chinese relatives of passengers on board the missing Malaysia Airlines Flight 370 hold a sign as they speak to reporters at a hotel in Subang Jaya, Malaysia. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Aaron Favila, File)
FILE - In this March 10, 2014, photo, Malaysia's Department of Civil Aviation's Director General Azharuddin Abdul Rahman briefs reporters on search and recovery efforts within existing and new areas for the missing Malaysia Airlines Flight 370 during a press conference in Sepang, Malaysia. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Daniel Chan, File)
FILE - In this March 31, 2014, photo, an observer looks out a window on a Royal New Zealand P3 Orion while searching for missing Malaysia Airlines Flight 370 in Perth, Australia. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Rob Griffith, File)
FILE - In this March 15, 2014, photo, eight-year-old Syira Nazia Hutabarat, center, shows her coloring work for the missing on Malaysia Airlines Flight 370 at a class at an elementary school in Medan, North Sumatra, Indonesia. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Binsar Bakkara, File)
FILE - In this March 15, 2014, photo, paper planes with personalized messages dedicated to people involved with the missing Malaysia Airlines Flight 370, are placed at the viewing gallery of Kuala Lumpur International Airport, in Sepang, Malaysia. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Wong Maye-E, File)
FILE - In this March 30, 2014, photo, a man and a girl place signs on strings during a ceremony for the passengers on the missing Malaysia Airlines Flight 370 in Kuala Lumpur, Malaysia. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Aaron Favila, File)
FILE - In this March 18, 2014, photo, a young Malaysian boy prays, at an event for the missing Malaysia Airlines Flight 370, at a shopping mall, in Petaling Jaya, on the outskirts of Kuala Lumpur, Malaysia. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Joshua Paul, File)
FILE - This Feb. 28, 2015, photo shows a suitcase belonging to Foong Wai Yueng, 40, a stewardess who was aboard Malaysian Airlines Flight 370 when it disappeared in March 2014, at her home in Kuala Lumpur, Malaysia. Yueng's husband, Lee Khim Fatt, asked a friend to return the bag to him from the hotel where the Malaysia Airlines crew would stay in Beijing. Fatt says "her belongings are meant to be home and not missing somewhere." Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Joshua Paul, File)
FILE - In this April 4, 2015, photo, relatives of Chinese passengers on board the missing Malaysia Airlines Flight 370 light candles in a prayer room in Beijing, China. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Ng Han Guan, File)
In this July 29, 2015, photo, French police officers carry a piece of debris from a plane known as a flaperon in Saint-Andre, Reunion Island. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Lucas Marie)
FILE - In this July 30, 2015, photo, Dai Shuqin, 62 cries as she talks to reporters about her feelings after hearing about the recent discovery of plane debris that could be from the missing Malaysia Airlines Flight 370 in Beijing. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Ng Han Guan, File)
FILE - In this Aug. 5, 2015, photo, family members of the missing on Malaysia Airlines Flight 370, from left to right: Lee Khim Fatt, husband of Foong Wai Yueng, flight attendant; Choi Loong Chow, husband of Goh Sock Lay, chief stewardess; Jacquita Gomes, wife of Patrick Gomes, in flight supervisor; and Melanie Antonio, wife to Andrew Nari, chief steward; check their mobile devices in Gomes's house outside Kuala Lumpur, Malaysia, as they wait for further news. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Joshua Paul, File)
FILE - In this Aug. 5, 2015, photo, Jacquita Gomes holds a portrait of her husband, Patrick Gomes, 56, the in-flight supervisor on the ill fated flight Malaysia Airlines Flight 370, in their home outside Kuala Lumpur, Malaysia. Malaysian Prime Minister Najib Razak announced on Thursday, Aug. 6, 2015, that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Joshua Paul, File)
FILE - In this Aug. 6, 2015, photo, Malaysian Prime Minister Najib Razak, center, pauses before speaking at a news conference announcing the findings for the ill fated flight Malaysia Airlines Flight 370 in Kuala Lumpur, Malaysia. Razak announced that a wing piece that washed up on Reunion Island last week is from the missing Malaysia Airlines Flight 370. However, French, U.S. and Australian authorities stopped short of full confirmation, frustrating relatives with mixed messages. (AP Photo/Vincent Thian, File)
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"If we don't find the aircraft within the priority search site ... that's the point at which the search will stop," ATSB Chief Commissioner Martin Dolan told NBC News earlier this month.

Three-quarters of the search zone has been completed so far.

Dolan said the governments involved in the search -- Malaysia, China and Australia -- "don't have the appetite" to widen the search area, having already spent almost $100 million mapping and scanning the ocean floor.

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