Khabarovsk United Air Flight 3949
| Khabarovsk United Air Flight 3949 | |
|---|---|
 Identical aircraft of the Dalavia |
|
| Accident summary | |
| Accident type | Loss of control due to uneven distribution of fuel in the wing tanks |
| place | Bo-Jaussa , 50 km west of Grossewitschi , Russia |
| date | December 7, 1995 |
| Fatalities | 98 |
| Survivors | 0 |
| Aircraft | |
| Aircraft type | Tupolev Tu-154B |
| operator | Khabarovsk United Air |
| Mark | RA-85164 |
| Departure airport | Yuzhno-Sakhalinsk Airport |
| Destination airport | Khabarovsk airport |
| Passengers | 90 |
| crew | 8th |
| Lists of aviation accidents | |
On December 7, 1995, a Tu-154 was at cruising altitude on the domestic flight Khabarovsk-United-Air-Flight 3949 between Yuzhno-Sakhalinsk and Khabarovsk . The aircraft , which disappeared from the radar shortly after 3 a.m. local time , was only found after eleven days. All 98 occupants, 90 passengers, including 6 children, and 8 crew members died.
plane
The crashed plane was a 19-year-old Tupolev Tu-154B with the air vehicle registration RA-85164, the three engines of the type Kuznetsov NK-8-2 had been equipped and completed 30,001 flight hours. At the time of approval, the first part of the license plate was still SSSR- (CCCP-) because Russia was still part of the Soviet Union at that time . After the collapse of the Soviet Union, that part was changed to RA-. The aircraft was repaired a total of 4 times during operation, the last time on September 23, 1991. The take-off mass was within the accepted range and amounted to 82.6 t , of which 15.1 t was fuel.
crew
The crew consisted of the flight captain Viktor Sumarokow, the first officer Stanislaw Rewidowitsch, the navigator Alexander Martynow and the radio operator Grigori Moros as well as four flight attendants.
course
The aircraft was at a cruising altitude of, depending on the source, 10,600 m or 9,600 m. Radio contact was made with air traffic control at 3 a.m. local time . Shortly afterwards, the plane disappeared from the radar . It hit Bo-Jaussa 8 minutes after the last radio message at 03:08 a.m. with a vertical speed of 1080 km / h and a vertical inclination of 70 °.
root cause
The airplane, shattered into tiny pieces, was only found on December 18, 1995 by a Mil Mi-8 helicopter. The impact left a 2 m deep and 40 m large crater. Most of the debris was no larger than 8 inches. There were no survivors among the 98 inmates. The inmates could not be identified either. The cause of the crash was an intentionally uneven distribution of the fuel in the wing tanks. More fuel in the right wing tank should prevent it from rolling to the left, because the machine had a tendency to do so before. But 35 minutes after take-off, the autopilot could no longer hold level flight; the plane rolled further and further to the right and fell into a dive .
swell
- Accident report RA-85164, Aviation Safety Network
- Ту-154Б Хабаровского ОАО над Сихотэ-Алинем (Russian), Airdisater (ru)
- [1]
Individual evidence
Coordinates: 48 ° 8 ′ 38.2 ″ N , 138 ° 50 ′ 50.1 ″ E