The board concluded that flight MH17 crashed as a result of a warhead which detonated as a result of a 9M314 type missile.
The board added that Ukrainian authorities failed to close airspace despite armed conflict in the Donbass area.
Flight MH17 crashed while flying from Amsterdam to Kuala Lumpur over the eastern Ukrainian region of Donetsk on July 17, 2014. All 298 people on board, mostly Dutch citizens, perished in the accident.
The board claimed in its preliminary report that the plane broke up in-air from structural damage caused by a large number of high-energy objects.
Russian arms manufacturer Almaz-Antey, the manufacturer of Buk missile systems, also presented the results of its simulation of the flight MH17 crash on Tuesday. In June, Almaz-Antey published the results of its inquiry into the crash, confirming that the plane could not have been shot down from areas controlled by local militia in eastern Ukraine.
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