Investigation
According to Tibor Dobson of the disaster prevention unit of Hungarian Ministry of the Interior, the aircraft had strayed 3 km (1.9 mi) off the flight path outlined in the flight plan after Slovak air traffic controllers had taken over the flight from Hungarian controllers.
The investigation indicates that the pilot descended too early in the dark towards the lights of Košice.
Read more about this topic: 2006 Slovak Air Force Antonov An-24 Crash