The aircraft, an Ilyushin 62 owned by Air Koryo, the North Korean state airline, made a stopover in Myanmar on August 7 and sought air traffic controllers' permission to fly over India en route to Iran. Initially the air traffic control in Kolkata gave the plane the go-ahead, but around noon on August 7, the Directorate General of Civil Aviation in New Delhi messaged Kolkata cancelling the permission, reports WSJ
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