The pilot of doomed Malaysian Airlines flight MH370, deliberately tried to avoid detection new research reveals.
Uncovered data shows the plane turned multiple times as though to shake of aircraft tracking technology before plummeting into the southern Indian Ocean.
The Boeing 777 which set off from Kuala Lumpa International Airport for Beijing, China on March 8 2014, vanished with 238 passengers and crew on board.
A new study by Aerospace engineer Richard Godfrey, investigating the crash with the so-called Independent Group of Scientists, indicates the plane's flight path was "significantly different" from earlier theories based on satellite data.
Pilot Zaharie Ahmad Shah took a series of turns and alternated the speed of the MH370 to leave "false trails" on unofficial routes while avoiding commercial flight routes.
Richard Godfrey says any aircraft will set off invisible "electronic tripwires" as they cross these signals, which can then be used to trace their location.
His research suggests Ahmad Shah wanted to avoid giving any clear idea where he was heading.
Mr Godfrey explained: "WSPR is like a bunch of tripwires or laser beams, but they work in every direction over the horizon to the other side of the globe."
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"The pilot of MH370 generally avoided official flight routes from 18:00 UTC (2:00am AWST) onwards but used waypoints to navigate on unofficial flight paths in the Malacca Strait, around Sumatra and across the Southern Indian Ocean.
"The flight path follows the coast of Sumatra and flies close to Banda Aceh Airport."
Mr Godfrey continued: "The pilot appears to have had knowledge of the operating hours of Sabang and Lhokseumawe radar and that on a weekend night, in times of little international tension the radar systems would not be up and running.
"The pilot also avoided giving a clear idea where he was heading by using a fight path with a number of changes of direction.
"These changes of track included toward the Andaman Islands, towards South Africa, towards Java, towards 2°S 92°E (where the Flight Information Regions of Jakarta, Colombo, and Melbourne meet) and towards Cocos Islands," he said.
"Once out of range of all other aircraft, at 20:30 UTC (4.30 am AWST) the pilot changed track and headed due south."
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