News / Asia

    Ancient Shipwrecks Found Underwater, But No Missing MH370 Plane

    Debris from a shipwreck — including an anchor — lays on the Indian Ocean floor, nearly 4 kilometers (2.5 miles) below the surface, off the west coast of Australia. (Photo courtesy of ATSB)
    Debris from a shipwreck — including an anchor — lays on the Indian Ocean floor, nearly 4 kilometers (2.5 miles) below the surface, off the west coast of Australia. (Photo courtesy of ATSB)

    Nearly two years have passed since the disappearance of MH370, the Malaysia Airlines flight that vanished on its way from Kuala Lumpur to Beijing with 239 people on board.

    A U.S. firm, Phoenix International, will rejoin the search next week aboard a Chinese vessel, which will join three Dutch ships in scouring the Indian Ocean. The underwater search will take place in the southern Indian Ocean, off the west coast of Australia.

    Phoenix International's side scan sonar, which can create an image of large areas of the sea floor, will be towed from the Chinese Rescue Ship Dong Hai Jiu 101.

    Experts say the Phoenix Synthetic Aperture Sonar is more accurate than the traditional 75 kHz side sonars that were previously used. According to Phoenix officials, the SAS provides a "higher degree of resolution," especially at the outer ranges of sonar.

    The Phoenix Synthetic Aperture Sonar, or ProSAS-60, provides a "higher degree of resolution," especially at the outer ranges of sonar. (Photo courtesy of Phoenix International Holdings, Inc.)
    The Phoenix Synthetic Aperture Sonar, or ProSAS-60, provides a "higher degree of resolution," especially at the outer ranges of sonar. (Photo courtesy of Phoenix International Holdings, Inc.)

    It also allows 24-hour access to instant data with less need for battery replacement.

    "We fully understand and appreciate the magnitude of this effort, and we look forward to assisting the ATSB [Australian Transport Safety Bureau] in finding MH370 and bringing closure to those impacted by this tragic event," said Mike Kutzleb, President of Phoenix.    

    Phoenix has assisted in the search before; it was first contracted three months after the plane disappeared.

    Unusual discoveries

    MH370 is thought to have gone down in some of the most remote ocean stretches in the world. Numerous underwater searches have failed to locate debris on areas of the ocean floor that are yet unmapped and up to 6,000 meters deep.  

    The area is fraught with unforeseen danger. An Australian search report mentions "underwater mountains, crevasses, ridges and 2,000-meter sheer cliffs."

    A 3-D view of volcano, with an added icon showing the location of the towfish that slammed into it in January 2016 and sank. (Photo courtesy of ATSB)
    A 3-D view of volcano, with an added icon showing the location of the towfish that slammed into it in January 2016 and sank. (Photo courtesy of ATSB)

    Last month, an underwater sonar device, called a towfish, slammed into a 2,200-meter high mud volcano. The cable snapped and the towfish — along with 4,500 meters of cable — plummeted to the ocean floor. Experts say it is possible to recover the equipment at a later date.

    Over the course of the search, two previously unknown shipwrecks have been found.

    A January sonar image shows a shipwreck discovered in December 2015. (Photo courtesy of ATSB)A January sonar image shows a shipwreck discovered in December 2015. (Photo courtesy of ATSB)
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    A January sonar image shows a shipwreck discovered in December 2015. (Photo courtesy of ATSB)
    A January sonar image shows a shipwreck discovered in December 2015. (Photo courtesy of ATSB)

    In January 2016, sonar photos revealed a strange object. The Shipwreck Galleries of the Western Australian Museum determined the object was a ship made of steel or iron from the turn of the 19th century.

    Last May, debris was located from the wreck of another ship. The largest object — in the shape of a box — was about six meters.

    Crash's cause, best guess

    Without any substantial debris to study, the Australian Defense Science and Technology Group (DST) says the most likely cause of the plane crash was a right engine flame-out, followed by a left engine flame-out. 

    The analysis took into account the amount of fuel loaded in Kuala Lumpur and the amount used in each engine before the plane's final transmission.

    Flame-outs occur when a jet fuel in a tank is depleted.

    The report continues, "It is estimated that the left engine could have continued to run for up to 15 minutes after the right engine flamed out."

    The only confirmed wreckage of Flight 370 to be recovered was a flaperon that washed up on Reunion Island in July of last year.

    Last month, a large portion of plane wreckage was found off the coast of Thailand, igniting speculation that it could be from MH370. But Malaysian investigators said the debris was not from the same type of Boeing 777 as the mysteriously missing aircraft.

    Completing the search

    The complete search area is 120,000 square kilometers off the west coast of Australia.

    “Recent commitments by the People's Republic of China to provide funding and equipment, coupled with Malaysia's ongoing financial contributions, will ensure the thorough completion of the remaining 45,000 square kilometers of the search area," according to a statement from Australian officials leading the search effort.

    Investigators say they will end all search efforts in June 2016.


    Carolyn Presutti

    Carolyn Presutti is an Emmy and Silver World Medal award winning television correspondent who works out of VOA’s Washington headquarters. She has also won numerous Associated Press TV, Radio, and Multimedia awards, as well as a Clarion for her TV coverage of The Syrian Medical Crisis, Haiti, The Boston Marathon Bombing, Presidential Politics, The Southern Economy, Google Glass & Other Wearables, and the 9/11 Anniversary.

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    Comment Sorting
    Comments
         
    by: manoj pillai
    February 07, 2016 11:36 AM
    Perhaps, perhaps.. a detailed examination of the flora, fauna (or microflora) on the retrieved wing part, plus any minerals, etc can throw some light on where the wing came from.. ie which part of the world's oceans...

    by: Max Leyland from: Cooloongup West Australia
    February 06, 2016 1:21 AM
    An oil rig worker saw a fire in the sky 350 Kilometers or Miles North West of Kaulalumper shoud be investigated. MH 370 ?

    by: Joe
    February 05, 2016 3:17 PM
    'Not from the same type of 777'

    Are we to believe then that someone has lost another 777 in the same area but not mentioned it..?

    by: Mel
    February 05, 2016 12:00 PM
    @John,G
    The author does say 120,000 square kilometres, not 120 square kilometres. Maybe you should check and correct your statement.
    In Response

    by: Rich from: Boise, Idaho
    February 05, 2016 2:59 PM
    Note the top line: Last updated on: February 05, 2016 9:57 AM

    John's comment was before then.

    by: John, G from: Perth, Western Australia
    February 05, 2016 1:01 AM
    Please check and correct your facts, the search area is not 120 square kilometres, it is actually vastly much larger.

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