On July 15, 1991, a PZL-Mielec AN-2 (registration CCCP-01494) operated by TyumenAviaTrans was involved in an aviation accident near Urai, Russia during takeoff. One person was killed. Investigators recorded the probable cause as: Engine failure caused by corrosion of a motion rod of the discharge valve on the n°4 cylinder. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 4 related events involving the same aircraft type or operator are linked below.
After takeoff from Urai Airstrip, the aircraft lost engine power at 10 meters, crashed in wooded swamp, and burned. One pilot killed, 12 injured.
Accident Description
Following departure from Urai Airstrip, the aircraft was climbing through an altitude of approximately 10 meters when the engine lost power and subsequently failed. The aircraft then lost altitude and impacted terrain at a speed of 60 km/h in a wooded and swampy area located 900 meters from the airstrip. Upon impact, the aircraft burst into flames.
Injuries
One pilot was killed in the accident, and 12 other occupants sustained injuries.
Probable Cause
The official investigation identified the probable cause as engine failure resulting from corrosion of a motion rod of the discharge valve on the number 4 cylinder.