Incident Details
During a flight from Bishkek to Osh, while cruising at an altitude of 7,200 meters over the city of Kazarman, the aircraft encountered severe downdrafts. The event caused an uncontrolled descent during which the airplane lost 2,200 meters of altitude. The aircraft recorded excessive loads of +5.5 g as a result.
Sequence of Events
The crew was able to regain control of the airplane after the initial upset. They successfully landed the aircraft safely at Osh Airport. However, post-landing inspection revealed that the aircraft had sustained irreparable structural damages, rendering it unserviceable.
Injuries and Damage
All nine occupants on board were injured in the incident. The aircraft itself was damaged beyond repair due to the structural stresses experienced during the encounter.
Probable Cause
The official investigation determined that the probable cause of the incident was in-flight structural damages caused by severe downdrafts in altitude.