Karshi – Ufa – Leningrad

After takeoff from Karsi Airport, the aircraft climbed at an insufficient speed of 470 km/h with a max speed of 515 km/h. The cruising altitude of 11,600 meters was reached after 40 minutes and 20 seconds. The speed dropped to 400 km/h then the aircraft reached a critical angle of attack (+20°) when vibrations started. The crew misinterpreted these vibrations and failed to judge properly the situation in reducing the engine power to idle. The speed dropped to 290 km/h when the aircraft stalled and entered a spin. The aircraft eventually went into a flat attitude and crashed in an isolated and desert area located in the region of Ushquduq. The aircraft was totally destroyed upon impact and all 200 occupants were killed.

Flight / Schedule

Karshi – Ufa – Leningrad

Aircraft

Tupolev TU-154

Registration

CCCP-85311

MSN

78A311

Year of Manufacture

1978

Date

July 10, 1985 at 11:46 PM

Type

CRASH

Flight Type

Scheduled Revenue Flight

Flight Phase

Flight

Crash Site

Desert

Crash Location

Ushquduq Navoiy Province (Navoiy viloyati)

Region

Asia • Uzbekistan

Coordinates

42.1572°, 63.5666°

Crash Cause

Human factor

Narrative Report

On July 10, 1985 at 11:46 PM, Karshi – Ufa – Leningrad experienced a crash involving Tupolev TU-154, operated by Aeroflot - Russian International Airlines, with the event recorded near Ushquduq Navoiy Province (Navoiy viloyati).

The flight was categorized as scheduled revenue flight and the reported phase was flight at a desert crash site.

200 people were known to be on board, 200 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 9, crew fatalities: 9, passengers on board: 191, passenger fatalities: 191, other fatalities: 0.

The listed crash cause is human factor. After takeoff from Karsi Airport, the aircraft climbed at an insufficient speed of 470 km/h with a max speed of 515 km/h. The cruising altitude of 11,600 meters was reached after 40 minutes and 20 seconds. The speed dropped to 400 km/h then the aircraft reached a critical angle of attack (+20°) when vibrations started. The crew misinterpreted these vibrations and failed to judge properly the situation in reducing the engine power to idle. The speed dropped to 290 km/h when the aircraft stalled and entered a spin. The aircraft eventually went into a flat attitude and crashed in an isolated and desert area located in the region of Ushquduq. The aircraft was totally destroyed upon impact and all 200 occupants were killed.

Aircraft reference details include registration CCCP-85311, MSN 78A311, year of manufacture 1978.

Geospatial coordinates for this crash are approximately 42.1572°, 63.5666°.

Fatalities

Total

200

Crew

9

Passengers

191

Other

0

Crash Summary

After takeoff from Karsi Airport, the aircraft climbed at an insufficient speed of 470 km/h with a max speed of 515 km/h. The cruising altitude of 11,600 meters was reached after 40 minutes and 20 seconds. The speed dropped to 400 km/h then the aircraft reached a critical angle of attack (+20°) when vibrations started. The crew misinterpreted these vibrations and failed to judge properly the situation in reducing the engine power to idle. The speed dropped to 290 km/h when the aircraft stalled and entered a spin. The aircraft eventually went into a flat attitude and crashed in an isolated and desert area located in the region of Ushquduq. The aircraft was totally destroyed upon impact and all 200 occupants were killed.

Cause: Human factor

Occupants & Outcome

Crew On Board

9

Passengers On Board

191

Estimated Survivors

0

Fatality Rate

100.0%

Known people on board: 200

Operational Details

Schedule / Flight

Karshi – Ufa – Leningrad

Flight Type

Scheduled Revenue Flight

Flight Phase

Flight

Crash Site

Desert

Region / Country

Asia • Uzbekistan

Aircraft Details

Aircraft

Tupolev TU-154

Registration

CCCP-85311

MSN

78A311

Year of Manufacture

1978