Siberian Light Aviation Flight 51

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Siberian Light Aviation Flight 51
Aeroservice Let L-410UVP-E20 (RA-67042) at Irkutsk Airport.jpg
RA-67042, the Let L-410UVP-E20 involved in the crash, in December 2015
Date12 September 2021 (2021-09-12)
SummaryUnder investigation
Site4 km short of the runway near Kazachinskoye Airport
56°15′04″N 107°32′05″E / 56.25123°N 107.53474°E / 56.25123; 107.53474
Aircraft typeLet L-410UVP-E20
OperatorAeroservice on behalf of SiLA
Flight originIrkutsk Airport
DestinationKazachinskoye Airport
RA-67042 on final approach at Irkutsk Airport on March 12, 2020

Siberian Light Aviation Flight 51 was a passenger flight on September 12, 2021 by a Let L-410 Turbolet plane from Irkutsk north to Kazatjinskoje in Irkutsk Oblast in Siberia near Lake Baikal. The plane crashed about 4 kilometers (2.5 miles) from the airport and the cause is under investigation by MAK, the Russian Accident Commission.

The flight was operated on behalf of Aeroservice LLC.


The aircraft, a Let L-410 Turbolet of the UVP-E20 was manufactured and commissioned in 2014. The Let-410 is being built by Czech aerospace manufacturer Let Kunovice.

The airline Siberian Light Aviation, also known by the name of Sila Avia was founded in January 2017 and flies short-haul flights in Siberia and areas just southwest of Siberia such as Omsk, Tiumen, Yekaterinburg, Chelyabinsk and Nizhny Tagil. They have their headquarters in Magadan. At the time of the accident, they had eight L-410 and three Antonov An-28 planes in their fleet.

After a previously spotless safety record, Flight 51 was the airline's second serious incident in 2021. On July 17, an Antonov-28 with 2 pilots and 18 passengers crash-landed aboard Tomsk Airport in Tomsk. The plane landed hard and then slid off the runway before flipping upside down. All those on board survived but two people had to be taken to hospital with serious injuries and the aircraft suffered such serious injuries that it was scrapped.


The captain of Siberian Light Aviation Flight 51 had just over 5,600 flight hours at the time of the accident, including 483 hours as captain.


After an earlier failed landing attempt at 10:35 p.m., the accident occurred about 11:15 p.m. local time during the crew's second attempt to land the plane. In thick plane collided with trees on a cliff next to the Kirenga River- about 2.5 mi (4.0 km) southwest of the runway.

Rescuers were quickly on the scene and initially managed to rescue everyone on board. According to the region's governor, Igor Kobzev, five people were able to leave the wreckage on their own machine while the others had to be helped or carried out. Four people died from their injuries within 24 hours of the accident. Of the 16 people on board the ill-fated plane, 12 survived. Three passengers and the co-pilot were killed.


MAK, the Russian Accident Commission, launched an investigation into the accident immediately on the same day.

The investigation has shown that visibility was not higher than 500 metres either at the time of the plane's first failed landing attempt or at the time of the accident.

Kazatjinskoje Airport lacked sophisticated radar systems and the ability for aircraft to make instrumental landings (ILS). In the aftermath of the crash, Rosaviatsia, Russia's regulatory committee on civil aviation, has proposed an investigation and the possibility of banning night landings in Kazatjinskoje and other airfields in Russia in the future, where visual landings are the only possibility and facilities for instrumental landings are missing.

While the media speculates about pilot mistakes in flight in bad weather, the surviving captain has said in interviews after the accident that important navigational instruments were out of order and that it played a role in the accident.

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