Why was mh370 not detected on radar?

In the case of MH370, the authorities believe that the primary transponder was turned off, and the backup didn't activate. In any case, once an aircraft is more than 240km (150 miles) out to sea, radar coverage fades and air crew keep in touch with air traffic control and other aircraft using high-frequency radio.



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Despite limited findings, including 41 confirmed debris items, the larger aircraft and its passengers remain missing, leaving much of the MH370 mystery still unresolved.

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Yet such disappearances are not that uncommon: according to records assembled by the Aviation Safety Network, 100 aircraft have gone missing in flight and never been recovered since 1948.

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The Malaysian passengers on Malaysia Airlines flight MH370 included Datin Biby Nazli Mohd Hassim, Chen Wei Hiong, Karmooi Chew, Ch'ng Mei Ling, Anne Daisy, Dina Mohamed Ramli, Huajin Guan, Puiheng Hue, Lee Kah Kin, Lee Sew Chu and Lim Pou Chua, among others.

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Several other planes have disappeared in the region including five US bombers that vanished in 1945, but in spite of massive air and sea searches, no trace of the bodies or aircraft was ever found. In 2009 a flight from Rio De Janeiro to Paris crashed into the Atlantic Ocean, killing 228 passengers and crew.

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Possible causes of the aircraft's disappearance That the signals had likely been switched off from inside the aircraft suggested suicide by one of the crew, but nothing obviously suspicious was found in the behaviour of the captain, the first officer, or the cabin crew immediately prior to the flight.

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Some 83 aircraft have been declared “missing” since 1948, according to data compiled by the Aviation Safety Network. The list includes planes capable of carrying more than 14 passengers and where no trace — bodies or debris — has ever been found. Related Graphic: Where Could Flight 370 Be? >>

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Malaysia Airlines Flight 370 (MH370/MAS370) was an international passenger flight operated by Malaysia Airlines that disappeared from radar on 8 March 2014 while flying from Kuala Lumpur International Airport in Malaysia to its planned destination, Beijing Capital International Airport in China.

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Malaysia Airlines flight 370 disappearance, also called MH370 disappearance, disappearance of a Malaysia Airlines passenger jet on March 8, 2014, during a flight from Kuala Lumpur to Beijing.

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Malaysia Airlines flight 370 disappearance • Malaysia Airlines flight 370 disappearance, also called MH370 disappearance, disappearance of a Malaysia Airlines passenger jet on March 8, 2014, during a flight from Kuala Lumpur to Beijing.

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In the 1940s and '50s, when communication technology was still in its primitive stages, such disappearances were more common. But there's only one flight in recent history that disappeared without a trace for as long as Malaysia 370 has.

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The barnacles attached to the already-recovered Malaysian Airlines Flight 370 debris offer up partial clues. Scientists hope that the largest barnacles from the debris become available for research to determine a complete debris path.

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In 2014 all the families of passengers and crew on board MH370 were offered interim payments of US$50,000, non-conditional and regardless of any legal action, which some accepted. But as the third anniversary of the disappearance of the plane nears, no other resolution seems in sight.

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Not only did this confirm the plane was not intact, but modelling of ocean currents concluded that MH370 crashed in the southern Indian Ocean near Western Australia, and ocean currents then transported debris to Africa a year later.

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According to reports from The Daily Star in 2018, the ringing tone families were hearing is just a psychological trick used internationally to keep callers waiting while the network tries to connect.

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This makes it highly likely that the landing gear was down when the aircraft crashed into the southern Indian Ocean on 8 March 2014 - leaving behind one of the greatest aviation mysteries in recent history. In their new analysis, Mr Godfrey and Mr Gibson suggest the airliner crashed quickly and deliberately.

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Another theory touted by Marc Dugain, former director of Proteus Airlines, suggests the plane was shot down by the U.S. military, which was then covered up. Dugain claimed MH370 was shot down to avoid the plane crashing into the American military base on the island of Diego Garcia, per The Independent.

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