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The crash in Egypt in October 31 2015. The first version, and the reasons for the disaster.
The latest information:
25.12.2015g. The terrorist attack on board A321 was committed with the use of improvised explosive devices on the basis of plastic explosive C-4. As reported in a Friday newspaper "Kommersant", citing its own sources 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 Avia.pro 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 occurred 31 October 2015 years and carried away with life 224 people is fraught with a lot of questions, in doing so, despite the fact that the flight recorders found at the crash site airliner Airbus A321, another decoded, experts have put forward a far- not a single version of why the crash could occur.
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 release, there were skeptics, noting that the version of the terrorist attack on board an aircraft is unlikely for the reason that in the event of an explosion on board, and is likely to consider these circumstances certainly would show very large damage, including touching and passengers, and interior trim. Nevertheless, it is worth noting that even a small explosion inside the cabin of the aircraft would be quite enough for its depressurization, and given the fact that the aircraft was at a high altitude, with 99% probability we can say that the plane would have been destroyed.
The destruction of the aircraft from the ground
One of the first version and also appeared that the airliner domestic airline "Kogalymavia" could be destroyed and the land. This version was discussed in great detail to the point, they have not yet been made public photos and videos from the crash site of a passenger airliner. On the submitted photos and video perfectly clear that any outside anyway, visible damage to the fuselage of the missile hit is not to minimize the likelihood of such circumstances, but at the same time does not exclude them completely.
Technical fault airliner
The most common cause of the crash is almost any technical problem, and at the moment, this version sticks to the majority of experts involved in the investigation of the crash. What exactly was the nature of the problem, experts say at the moment are not taken, as there may be a variety of versions, however, it is to assume that it appeared 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, sounded very plausible version, was the so-called explosive decompression. Последней, весьма правдоподобной озвученной версией, стала так называемая взрывная разгерметизация. Учитывая достаточно большой разброс обломков пассажирского авиалайнера, а также всю скоротечность процесса, эта версия является вполне оправданной, однако, остаются неизвестными обстоятельства произошедшего, поскольку для инициации процесса мгновенной разгерметизации требуется либо большая дыра в фюзеляже пассажирского авиалайнера, либо же резкий рост давления внутри пассажирского самолёта, который может быть вызван именно детонацией взрывчатых веществ на борту лайнера, что опять таки наталкивает на версию либо о террористическом акте, либо на версию о целенаправленном уничтожении самолёта с земли.
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 Avia.pro
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