Incident Overview
While approaching Kazan on a flight from Kamskoye Ustye, the aircraft experienced a loss of engine power. Flying at low altitude and confronted with power cables, the captain decided to pass beneath the cables and attempt an emergency landing on a nearby highway.
Sequence of Events
After the engine failed, the crew identified the highway as a potential landing site. The captain maneuvered the aircraft to clear the power cables and touched down on the highway surface. During the landing roll, the airplane struck a metal slide and other obstacles before coming to a stop.
Injuries and Damage
Both pilots and three passengers sustained injuries, while the remaining nine occupants were uninjured. The aircraft was damaged beyond repair. Six hours after the accident, the copilot died from injuries sustained in the event.
Probable Cause
The official investigation determined the probable cause to be engine failure in flight caused by the poor quality of the fuel, which was contaminated.