Incident Overview
An aircraft operating a flight from Ust-Kamenogorsk to Alekseyevka encountered below-minima weather conditions, including low clouds and rain. The crew entered clouds and deviated from the prescribed flight path by 6 km. The decision to return was made too late, and the aircraft crashed at an elevation of 970 metres into the steep slope of Mt Aina-Sulak, which has a height of 1,121 metres. The accident site was located 21 km southwest of Alekseyevka.
Casualties
Both pilots and all 10 passengers on board were killed in the crash.
Probable Cause
The official investigation determined that the probable cause was the crew's poor judgment and wrong decision to continue the flight into adverse weather conditions and below-minima visibility.