125 fatalities

Sibir Airlines Flight 778 Accident (F-OGYP)

Irkutsk-Intl, RussiaLanding (descent or approach)

On July 9, 2006, an Airbus A310 (registration F-OGYP) operated by S7 Airlines was involved in an aviation accident near Irkutsk-Intl, Russia during landing or approach. 125 people were killed. Investigators recorded the probable cause as: The accident was caused by the Captain inadvertently moving the left engine's throttle lever from idle to significant forward thrust while operating the right engine's reverse thrust lever, combined with inadequate monitoring by the Co-pilot. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 10 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards
Aircraft registered F-OGYP
Aircraft registered F-OGYP. Photo: Pedro Aragão / CC BY-SA 3.0, via Wikimedia Commons

On July 8, 2006, an Airbus A310 operated by Sibir Airlines overshot the runway at Irkutsk after an engine malfunction during landing, killing 125 people.

Flight Details and Accident OverviewOn July 8, 2006, an Airbus A310 with registration F-OGYP, leased by Sibir Airlines, was operating scheduled passenger flight S7 778 from Domodedovo to Irkutsk. The aircraft carried 195 passengers and 8 crew members, including 181 Russian nationals and citizens from Germany, China, Poland, Belarus, Moldova, and Azerbaijan. The flight departed Domodedovo at 17:17 and proceeded without incident until the crew initiated descent for Irkutsk at 22:17. The aircraft landed on runway 30 at 22:43:40. Prior to the flight, maintenance personnel had deactivated the left engine's thrust reverser due to a reported malfunction.

Probable cause

The accident was caused by the Captain inadvertently moving the left engine's throttle lever from idle to significant forward thrust while operating the right engine's reverse thrust lever, combined with inadequate monitoring by the Co-pilot.