MH370 went missing on March 8, 2014, en route from Kuala Lumpur to Beijing with 239 people on board. A group of investigators called The Independent Group (IG) pinned down their search area to a patch in the south Indian Ocean, helped by the technology. According to 2015 book ‘The Plane That Wasn’t There’, Mike Exner – a member of the group – secured himself four hours on the high tech system in November 2014.

The group's theory at the time was that the plane had run out of fuel, fell into a spiral dive and crashed into the sea.

Every time Mr Exner simulated the flight path of the plane under the assumption it had run out of fuel, MH370 would do the same thing – cementing the belief in their logic.

Aviation expert and author of ‘The Plane That Wasn’t There’ Jeff Wise said: “In early November, Mike Exner had managed to cage four hours in a top-of-the-line hyper-realistic flight simulator that one of the US Navy carriers used to train its pilots.

“Time and again he allowed the plane to run out of fuel and watched what happened.

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