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What: Dagestan Airlines/South East Airlines Tupolev Tu-154 en route from Vnukovo to Makhachkala Russia
Where: Domodedovo airport
When: Saturday December 4, 2010
Who: 168 aboard including 8 crew (also reported as 155)
Why: Shortly after South East Airlines Flight 372 took off from Moscow, two of the Tupolev’s three engines failed (14:28). At 14:41, the pilot requested an emergency landing, initially at Vnukovo then at Domodedovo airport. The third engine failed as the plane was attempting to land in snow and freezing rain. The plane overshot the runway, and is reported to have struck buildings although missing a fence. Passengers say the plane broke apart when the plane hit a hill. The plane’s nose smashed and the fuselage broke into three sections. No fire or explosion occurred.

The pilot Zakarzhi Zakarzhaev has flown 17 thousand hours and is considered the most professionally trained commander of Dagestan, likely one reason there are survivors.

Passengers did not evacuate via emergency chute or ladder. They had to jump from the cabin to the ground to evacuate the wounded.

Engine failure has been conjectured to be attributed to flawed aviation fuel (filters clogged with debris or ice) or lack of maintenance. The 18-year old tri-jet is powered by Soloviev D-30KU engines.

Two were killed on impact, 83 injured were taken to 5 hospitals. 19 of these were very severe injuries—the number of fatalities has increased to 12 and may rise higher.

The mother of a constitutional court judge, Gadisa Gadzhyeva, died in the accident; the brother of Dagestan President Magomedsalam Magomedov has been hospitalized. Seven of the victims taken to the central regional hospital. Three victims were delivered to the Clinical Hospital N83 Federal Medical-Biological Agency of Russia and one to CITO Pirogov Health Ministry of Russia. 25 victims were directed to the medical institutions of the Department of Health in Moscow. There were two children, one of them taken to the Morozov Children’s Hospital, the second is in children’s emergency surgery Roshal. Others are in Institute of Emergency Care Sklifosovsky, and in various Municipal Hospitals (64th, 7th, 13th, etc…)

Russian Prosecutor General Yury Chaika took on a special control of the investigation. Photos were forbidden, and a criminal case was opened. An interview of Federal Service for Supervision of Transport of Russia supervisors indicated that they will be looking into the administration of Dagestan Airlines.

In November 2009, a Dagestan engine failed; and in August 2008 an engine caught fire. Dagestan Airlines has adopted the brand name ‘South East Airlines.’ Dagestan Airlines is an airline based in Makhachkala, in Russia’s North Caucasus region. The airline’s scheduled, charter and cargo services operate domestic and international routes from its hub at Uytash Airport.

The Moscow hotline is Moscow: 363-61-01; Emergency psychological assistance for victims families is (495) 626-37-07.

The investigation shows that at an altitude of 9000 meters engines #1 and #3 failed. Analysis of the flight data recorder confirms the initial fluctuations in fuel supply to all three engines at an altitude of about 9000 meters, wjem engines 1 (left) and 3 (right) failed, Engine #2 was unstable as well recovered and ran until landing. First touchdown occurred at a vertical acceleration of 3.5G and vertical accelerations over 5.0G.The fuel pumps system is being dismantled, fuel samples were taken from the left engine and left fuel tank and are being analysed.