MH370 disappeared on March 8, 2014 en route from Kuala Lumpur to Beijing with 239 people on board. The plane lost contact with civilian air traffic control at 17:21 UTC, but could still be seen by military primary radar until 18:22 UTC. However, after an initial diversion MH370 passed mostly along the boundaries between flight information regions (FIRs) – aerial territories under the jurisdiction of different air traffic controllers.
When the plane disappeared from secondary radar near a waypoint called IGARI it was on the boundary between Singapore and Ho Chi Minh FIRs.
It then turned around and flew along the border between Kuala Lumpur and Bangkok FIR.
According to 2015 book ‘The Plane That Wasn’t There’ MH370 was picked up by both Thai and Malaysian military radar ... Read even more
