On August 20, 1992, a PZL-Mielec AN-2 (registration RA-17833) operated by Yugavia was involved in an aviation accident near Leninsky, Russia in flight. No fatalities were reported. Investigators recorded the probable cause as: Engine failure after particles of rubber sealing rings went into the cylinder head, causing the failure of cylinder n°4 and 6. 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.
A pilot conducting a crop-spraying flight in Leninsky, Timashevsk District, crashed after engine failure. The right wing struck trees during an emergency landing attempt, injuring the pilot and destroying the aircraft.
Incident Overview
A pilot, the sole occupant of a crop-spraying aircraft, was completing a spraying operation in the Leninsky area of the Timashevsk District. During the flight, the engine lost power and subsequently failed entirely. The pilot reduced altitude in an effort to perform an emergency landing. During this maneuver, the right wing collided with trees, causing the aircraft to crash. The pilot sustained injuries, and the aircraft was destroyed.
Probable Cause
According to the official investigation, the engine failure was caused by particles of rubber sealing rings that entered the cylinder head, leading to the failure of cylinders number 4 and 6.