Khabarovsk United Air Group Flight 3949

1995 aviation accident

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Khabarovsk United Air Group Flight 3949
Accident
The aircraft involved in the accident in Soviet livery in 1979.
Date	7 December 1995 (1995-12-07)
Summary	Loss of control
Site	Bo-Dzhausa Mountain 48°08′32″N 138°50′38″E / 48.14222°N 138.84389°E / 48.14222; 138.84389
Aircraft
Aircraft type	Tupolev Tu-154B-1
Operator	Khabarovsk United Air Group
Registration	RA-85164
Flight origin	Yuzhno-Sakhalinsk Airport, Yuzhno-Sakhalinsk
Destination	Khabarovsk Novy Airport, Khabarovsk
Occupants	98
Passengers	90
Crew	8
Fatalities	98
Survivors	0

Khabarovsk United Air Group Flight 3949 was a Russian domestic passenger flight from Yuzhno-Sakhalinsk to Khabarovsk, that crashed on 7 December 1995 local time (6 December UTC), killing all ninety-eight people aboard (including six children). The crash occurred after the aircraft had entered into a steep downward spiral during automated flight at an altitude of 10,600 metres (34,800 ft).

The aircraft operator, Khabarovsk United Air Group, was later rebranded to Dalavia and became defunct in 2008.

Background

The aircraft Tupolev Tu-154B-1, involved in the accident, was manufactured on 30 July 1976 under a serial number 76А164. Prior to the accident it accumulated 30,001 flight hours and underwent four repairs, the last one on 23 September 1991. Like other former Soviet aircraft, its registration letters in the Soviet period were SSSR (СССР); later the letters were changed to RA (РА).

At the time of the accident, the crew consisted of captain Viktor Sumarokov, first officer Stanislav Revidovich, navigating officer Alexander Martynov, flight engineer Grigory Moroz and four flight attendants. The takeoff weight was within acceptable limits, at 82,600 kilograms (182,100 lb), and the fuel weight was 15,100 kilograms (33,300 lb).

Crash

The aircraft was cruising at 10,600 metres (34,800 ft) (according to the investigation report; alternatively, at 9,600 metres (31,500 ft)) and disappeared from radar shortly after making a routine ATC report. The last contact with ATC was made on 03:00 a.m. local time (17:00 UTC). Eight minutes later the aircraft crashed into Bo-Dzhausa Mountain with a vertical speed of about 300 m/s and a pitch angle of about 70 degrees. The aircraft disintegrated into numerous fragments.

The investigation listed five possible causes, whose combination might have led to the crash. It is believed that in order to counteract the left-wing low flying tendency fuel-feed was selected from left wing fuel tanks only. The fuel imbalance likely caused the aircraft to bank to the right and the autopilot was able to counteract it for 35 minutes after take-off.

The crash site was found on 18 December 1995 by the crew of a Mil Mi-8 helicopter.

References

^ Ranter, Harro. "Accident description". aviation-safety.net. Aviation Safety Network. Retrieved 1 February 2014.
"Plane Crashes for Airlines of Russia and the Former Soviet Union". AirSafe.com. Retrieved 1 February 2014.

v t e Aviation accidents and incidents in 1995 (1995)
Jan 11 Intercontinental de Aviación Flight 256Jan 19 Bristow Helicopters Flight 56CJan 30 TransAsia Airways Flight 510AFeb 10 Borodianka mid-air collisionFeb 16 Air Transport International Flight 782Mar 31 TAROM Flight 371May 16 Royal Air Force Nimrod R1 XW666May 24 Knight Air Flight 816Jun 9 Ansett New Zealand Flight 703Jun 21 All Nippon Airways Flight 857Jun 24 Lagos Harka Air Services Tu-134 crashAug 3 Airstan incidentAug 9 Aviateca Flight 901Aug 21 Atlantic Southeast Airlines Flight 529Sep 2 Royal Air Force Nimrod MR2 XV239Sep 15 Malaysia Airlines Flight 2133Sep 19 Kish Air Flight 707Sep 21 MIAT Flight 557Sep 22 Alaska E-3 Sentry accidentNov 12 American Airlines Flight 1572Nov 13 Nigeria Airways Flight 357Dec 3 Cameroon Airlines Flight 3701Dec 5 Azerbaijan Airlines Flight A-56Dec 7 Khabarovsk United Air Group Flight 3949Dec 7 Air St. Martin Beech 1900 crashDec 13 Banat Air Flight 166Dec 18 Trans Service Airlift L-188 crashDec 20 Tower Air Flight 41Dec 20 American Airlines Flight 965
1994 ◄ ► 1996

Aviation accidents and incidents in 1995 (1995)

Jan 11 Intercontinental de Aviación Flight 256Jan 19 Bristow Helicopters Flight 56CJan 30 TransAsia Airways Flight 510AFeb 10 Borodianka mid-air collisionFeb 16 Air Transport International Flight 782Mar 31 TAROM Flight 371May 16 Royal Air Force Nimrod R1 XW666May 24 Knight Air Flight 816Jun 9 Ansett New Zealand Flight 703Jun 21 All Nippon Airways Flight 857Jun 24 Lagos Harka Air Services Tu-134 crashAug 3 Airstan incidentAug 9 Aviateca Flight 901Aug 21 Atlantic Southeast Airlines Flight 529Sep 2 Royal Air Force Nimrod MR2 XV239Sep 15 Malaysia Airlines Flight 2133Sep 19 Kish Air Flight 707Sep 21 MIAT Flight 557Sep 22 Alaska E-3 Sentry accidentNov 12 American Airlines Flight 1572Nov 13 Nigeria Airways Flight 357Dec 3 Cameroon Airlines Flight 3701Dec 5 Azerbaijan Airlines Flight A-56Dec 7 Khabarovsk United Air Group Flight 3949Dec 7 Air St. Martin Beech 1900 crashDec 13 Banat Air Flight 166Dec 18 Trans Service Airlift L-188 crashDec 20 Tower Air Flight 41Dec 20 American Airlines Flight 965

1994 ◄ ► 1996

Aviation accidents and incidents in Russia in the 1990s

Russian SFSR
(Soviet Union)

1990	Aeroflot Flight 6246 (January 1990)
1991	Aeroflot Flight 8556 (May 1991) Yugavia Flight S-519 (November 1991)

Russian
Federation

1992	Aeroflot Flight 2808 (August 1992)
1993	Sakha Avia Flight 301 (August 1993)
1994	Baikal Airlines Flight 130 (January 1994) Pulkovo Aviation Enterprise Flight 9045 (February 1994) Aeroflot Flight 593 (March 1994) Vanavara air disaster (September 1994)
1995	Khabarovsk United Air Group Flight 3949 (December 1995)
1996	Abakan Il-76 crash (November 1996)
1997	Stavropolskaya Aktsionernaya Avia Flight 1023 (March 1997) Irkutsk An-124 crash (December 1997)

Aviation incidents in other parts of the Soviet Union from 1990 to 1991 are not included
1980–1991 (USSR) ◄ 1990–1999 ► 2000–2009

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