Sinai tragedy. The first version, and the reasons for the disaster.
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Sinai tragedy. The first version, and the reasons for the disaster.

The crash in Egypt in October 31 2015. The first version, and the reasons for the disaster.

The latest information:

25.12.2015 The attack aboard A321 was perpetrated using an improvised explosive device based on C-4 plastic explosives. According to the Kommersant newspaper on Friday, citing a source close to the investigation, this fact significantly expands the list of potential criminals.

The source said that the Russian security services have established the possible nature of the explosive device. Plastic explosive C-4 was developed in the US, and now it is produced in many countries. Thus, the list of suspects of involvement in the preparation of a terrorist act will be significantly expanded, and therefore, the search for them is complicated.

17.11.2015g. FSB confirmed the version of the explosion on board Airbus A321.

This information is received resource after the meeting director of the FSB and Putin. As the likely power of the explosive devices in our current on board a Russian passenger airliner crashed in the Sinai peninsula, it was about 1 kilos of TNT, but in reality, we can talk about a much smaller amount of explosives that could serve as a Only the initiator further destruction of the aircraft in the air.


The cause of the explosion on board the Russian A321 over Sinai became unknown suitcase, which was one of the movers of the employee's Sharm el-Sheikh. According to sources in the Egyptian security services, unit to scan luggage for a while left unattended.

The terrible tragedy that took place on 31 in October on 2015, and which took 224 with it, hides a lot of questions, and despite the fact that the flight recorders found at the crash site of the Airbus A321 airliner, were already decoded, not one version of why the crash could have happened.

A terrorist act

Almost immediately after the information about the crash of a passenger airliner "Kogalymavia" ("Metrodzhet"), there were versions of what happened on board the aircraft an act of terrorism. Who would carry it out, suggest extremely difficult, as radical groups around the world are not so little, but experts adhere to this version believe that this may be the militants 'Islamic state' positions are so mercilessly during the month destroyed in Syria videoconferencing Russian Federation.

Almost immediately after the presentation of this version, there were also skeptics who noted that the version of the terrorist act on board the air is unlikely for the reason that in the event of an explosion on board, and it is most likely to consider these circumstances, there would certainly be very large damage, Including touched and passengers, and interior trim. Nevertheless, it is worth noting the fact that even a small explosion inside the cabin of the aircraft would be enough to depressurize it, and given the fact that the aircraft was at a high altitude, with 99% probability one can say that the plane would have been destroyed.

The destruction of the aircraft from the ground

One of the first appeared also the version and that the passenger airliner of the domestic airline "Kogalymavia" could be destroyed from the ground. Such a version was discussed in great detail until the moment when photographs and video recordings from the crash site of the passenger airliner were made public. The presented photos and video materials clearly show that there are no external, at any rate visible damages to the fuselage from the missile, which minimizes the likelihood of such circumstances, but at the same time does not exclude them completely.

Technical fault airliner

The most frequent cause of almost any plane crash is a technical malfunction, and at the moment, this version is followed by the majority of specialists involved in investigating the plane crash. What kind of character was a malfunction, experts at the moment are not taken to speak, since the most varied versions are possible, however, it is necessary to assume that it arose, it is very transient.

Initially it was assumed that the culprit could be a failed aircraft engine, however, fair to say that modern airliners quite well insured from falling in the event of failure of one engine, since even if you use just one powerplant aircraft can overcome not less 200-300 kilometers.

Moreover, given the official data, before his departure from the Egyptian airport airliner of "Kogalymavia" was fully functional, and previously it was not observed any technical issues of concern.

It should also be clarified that in case of any technical failure, the flight crew in the first place inform the air traffic controller, however, according to official data, the pilot passenger aircraft did not make any requests or notifications concerning the technical problems encountered on board the aircraft.

Sudden depressurization of the aircraft

The last, very believable sounded version, was the so-called explosive depressurization. Given the rather wide dispersion of passenger airliner debris, as well as the overall transitibility of the process, this version is fully justified, however, the circumstances of the incident remain unknown, since the initiation of instantaneous depressurization requires either a large hole in the fuselage of a passenger airliner or a sudden increase in pressure inside a passenger airplane , Which can be caused precisely by the detonation of explosives on board the liner, which again pushes against the version of either the terrorist Act, or on the version of the purposeful destruction of the aircraft from the ground.

Experts note that most likely the main cause of the disaster will be called only after decoding the flight recorders of the aircraft, which, although they received some damage, but it is quite suitable for the extraction of information and data. It is expected that the first data from the flight recorders will be prepared by experts by the middle of this week.

Kostyuchenko Yuriy specifically for