On June 9, 1988, a PZL-Mielec AN-2 (registration CCCP-70121) operated by Aeroflot - Russian International Airlines was involved in an aviation accident near Tobolsk, Russia in flight. 2 people were killed. Investigators recorded the probable cause as: The crew failed to follow the published procedures and the assigned route. At the time of the accident, the aircraft deviated from the prescribed route and its altitude was insufficient. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 5 related events involving the same aircraft type or operator are linked below.
En route from Khanty-Mansiysk to Tobolsk, a single-engine aircraft struck a chimney in poor weather, stalled, and crashed, killing both pilots.
Accident Details
The aircraft was operating a flight from Khanty-Mansiysk to Tobolsk. During the cruise phase at an altitude of 191 meters, the crew encountered adverse weather conditions, including heavy rain and severely reduced visibility. The single-engine aircraft struck the chimney of an electrical plant. Following the impact, the aircraft stalled and subsequently crashed. The crash resulted in a fire that destroyed the aircraft.
Injuries and Fatalities
Both pilots onboard the aircraft were killed in the accident.
Investigation
The investigation into the accident determined that the crew did not adhere to published procedures and failed to follow the assigned route. The aircraft had deviated from its prescribed flight path and was operating at an altitude that was insufficient for the terrain and obstacles. The lack of visibility caused by poor weather conditions was noted as a contributing factor in the accident.
Probable cause
The crew failed to follow the published procedures and the assigned route. At the time of the accident, the aircraft deviated from the prescribed route and its altitude was insufficient. The lack of visibility due to poor weather conditions was a contributing factor.
An X-AIR HAWK ultralight crashed in Chonburi, Thailand, killing the pilot and injuring a passenger. The accident was caused by deteriorated wing fabric and…
A Challenger II Special ultralight aircraft (U-B23) landed off-runway at Pai Airport, Mae Hong Son, on September 17, 2024, due to a gust of wind. No injuries…
The Polish aviation safety authority is investigating a serious incident involving an AT-3R100 aircraft that occurred on September 2, 2024. The investigation…
A SZD-48-3 glider suffered damage when its left wing struck a ground obstacle during a low final approach at EPWK on June 20, 2025. The pilot was uninjured.
A 39-year-old skydiver died after a hard landing near Leszno on May 1, 2026. The PKBWL preliminary report indicates the fatal impact resulted from a late,…
A student pilot crashed an SZD-50-3 Puchacz glider into the airfield fence during a solo training flight on June 6, 2026. The pilot was uninjured, but the…