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Last updated: 16 October 2021
Status:
Date:Monday 6 July 1953
Type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Lisunov Li-2
Operator:Aeroflot / Tajikistan
Registration: CCCP-L4027
MSN: 18429905
First flight: 1948
Total airframe hrs:1477
Crew:Fatalities: 4 / Occupants: 4
Passengers:Fatalities: 3 / Occupants: 3
Total:Fatalities: 7 / Occupants: 7
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:15 km (9.4 mls) NW of Rushan (   Tajikistan)
Phase: En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Khorog Airport (UTOD), Tajikistan
Destination airport:Stalinabad Airport (DYU/UTDD), Tajikistan
Flightnumber:878
Narrative:
The Li-2 operated on a flight from Khorog to Stalinabad (now Dushanbe). The pilot deviated from the prescribed flight path when approaching the Yauza pass (4,885 metres) and observing clouds in the gorge.
While flying 15 km north-west of Rushan it got caught by a strong katabatic wind and crashed some 75-100 metres below the ridge into the southern slope of the pass.

Probable Cause:

The immediate cause of the crash is a collision with a rock due to insufficient flight altitude in mountainous terrain and an unexpected drop in altitude of the aircraft in downdrafts.
The main cause of the disaster is the wrong decision by the crew commander to change the established flight route in the mountainous area in the difficult situation.
Accompanying reasons - discrepancy between flight data of Li-2 aircraft to flight conditions on high-mountain routes (low practical ceiling, insufficient rate of climb when flying above 3000 m); lack of instructions for flights on Li-2 aircraft along this route.

Sources:
» airdisaster.ru


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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Khorog Airport to Stalinabad Airport as the crow flies is 261 km (163 miles).
Accident location: Exact; as reported in the official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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