Charkhi Dadri mid-air collision

The Charkhi Dadri mid-air collision took place between Saudia Flight 763 and Kazakhstan Airlines Flight 1907 over Charkhi Dadri, India on November 12, 1996. The collision was mainly the result of the Kazakh pilot flying lower than the assigned clearance altitude. All 349 passengers and crew on board of both the aircraft died. It remains the world's deadliest mid-air collision.