The sequence of events
At 13:44 local time airliner disappeared from radar screens Sochi dispatch service. The aircraft at that time was at an altitude of 11 kilometers, 200 kilometers south of the city of Sochi. At the same time, the pilot is in the same region of the AN-24 Armenian Airlines was briefed on an outbreak of him. The coordinates of the approximate location of the crash have been identified 42 ° 11 's. sh. 37 ° 37 'east. d (G), about 180 km from Novorossiysk. Russian President Vladimir Putin ordered the creation of a special commission on the causes of the accident. Go to the crash site immediately went to rescue ships and flew two aircraft and two helicopter rescue service in Sochi. The AN-12 discovered oil stains in the alleged crash site. Helicopters have found aircraft wreckage and the bodies of the dead passengers, floating on the surface.

Versions
In connection with the events of September 11, 2001 in New York was first proposed version of the attack. Almost immediately after the news of the disaster was closed in Tel Aviv Ben Gurion Airport, security service which began checking passenger lists Flight 1812. On the other hand, worked out version of an explosion on board the aircraft for technical reasons. However, the airline "Siberia," said the aircraft "was one of the best in the fleet of the company, he passed a rigorous inspection," and they "ran an experienced crew." A few hours later, a third version, based on the pilot's report of an outbreak of the Armenian plane, suggesting that the plane was struck from the outside, for example, shot down a missile defense. Ukrainian Defense Minister Oleksandr Kuzmuk denied the report, saying that this day is really planned teaching Ukrainian air defense forces, but they did not take place. Ukrainian version of the disaster was supported by the U.S. Central Intelligence Agency, U.S. intelligence officials interested in the incident is understandable, since the accident occurred less than a month after the events of September 11 in New York.

Investigation of accident
The basic version, which at first were inclined experts commission of inquiry into the incident - the attack. However, the version of the "Ukrainian trace" has received more and more evidence. Despite the denials of the Ministry of Defense of Ukraine, on the day of the disaster were carried out education firing air defense S-200 and C-300.
October 5 was reported found in the fuselage of the Tu-154 holes resembling bullet. And the head of the West Siberian Regional Office of the Air Transport Vladimir Tasun said that, "according to unverified information, the dispatcher on the locator saw a luminous point, quickly approaching aircraft. That's the only thing that is obtained from unofficial sources through the telephone company employees "Siberia" from Rostov. " The same day a Russian rescuers have joined rescue workers from Israel, as well as analysis of the negotiations was launched crew Tu-154 and analysis of video tapes, fixing radar readings. On this day, Prime Minister of Ukraine Anatoly Kinah has made a statement saying that the version of the hit missiles in Tu-154 of airline "Siberia", "has a right to exist."

October 6, Russian Security Council Secretary Vladimir Rushailo said at the scene were found items not related to the design of the aircraft and that "there was the destruction of the aircraft as a result of the defeat of an explosive nature."

October 7 According to the Commission, 13:45:12 overland tape was recorded screaming the Tu-154 pilot.

October 9 According to the Commission, the analysis of holes in the fuselage shows that the plane could have been struck by a missile defense complex S-200 as well as the size and shape of the holes are consistent with shrapnel high-explosive fragmentation warhead missiles of this particular complex.

October 11 Rushailo announced withdrawal of the technical commission that investigated the causes of the crash of Tu-154. "Multiple injuries in the form of similar holes speak of the defeat of the Russian aircraft from the outside."

October 12 Press Secretary to the Minister of Defense of Ukraine Konstantin Hivrenko, commenting on the preliminary results of investigation of the incident, admitted that the Ukrainian missile could have caused the death of Tu-154.

October 13 Rushailo stated that the analysis of the wreckage and holes, anti-aircraft missile exploded 15 meters of the aircraft. Ukrainian Defense Minister at a conference in Kiev, apologized to the families and friends of those killed in the crash of the Russian Tu-154. "We know that the tragedy involved, although the reasons for the end is not installed."

The causes of the tragedy
The complex S-200 uses a semi-active guidance system, when the radiation source is a powerful ground-based radar ("illumination purposes"), and the missile itself is guided by the signal reflected from the target. During the shooting with Defence of Ukraine, which took place October 4, 2001 at Cape Opuk in the Crimea, the missile "lost" a little learning goal, as a result of the guidance system was switched to a much more significant, though more remote, the liner. Size of polygon does not provide a safe shooting range air defense missile system. Necessary steps to release the organizers of the airspace firings were not taken.