A miscalculation in the design could lead to breakage of the chassis and ignite the fuel tanks.

Design flaws of the Sukhoi Superjet 100 are considered as one of versions of causes of accident in Sheremetyevo airport, which killed 41 people, reported RIA Novosti on Thursday, a source close to the investigation.

“Now one version addresses the issue of design flaws of the aircraft,” – said the Agency interlocutor.

According to him, a miscalculation in the design could lead to breakage of the chassis and ignite the fuel tanks. “When landing at Sheremetyevo SSJ broken chassis resulted in damage to the fuel tanks leak fuel and catch fire. Thus, it may be a miscalculation in the design of aircraft,” – said the source.

The Sukhoi Superjet 100 aircraft of Aeroflot EN route from Moscow to Murmansk, may 5 in the evening urgently returned to Sheremetyevo and made a hard landing after 28 minutes of flight. When landing he broke the landing gear and fired up the engines. According to the hydrometeorological center of Russia, that day in the suburbs was observed in the afternoon. According to SK of Russia, the disaster of the 78 aboard, killed 41 people. Managed to survive the four members of the crew of five and 33 passengers.