An air crash involving Airbus A321 could have occurred due to explosive depressurization.

A similar version was voiced on the eve of Russian experts, in this case, it emphasizes the earlier version put forward by experts Portal Avia.pro that the incident with the collapse likely occurred a few moments, leaving the crew and passengers chance of survival.

However, it remains uncertain for some specific reasons, there was a sudden depressurization of the aircraft, and here there are two main conditions - a violation of the integrity of the fuselage from the outside, or tampering with the inside, what it is likely to have to deal investigators if this version finds confirmation.

It is noted that over the exact cause of the crash will be able to be called only after the decoding of "black boxes" of the crashed plane.