Kogalymavia confirmed on Monday that a Russian airliner's tail part had been damaged prior to the air crash in Egypt's Sinai Peninsula. On Saturday, Airbus A-321 operated by Russian airline Kogalymavia crashed in the Sinai Peninsula en route from the Egyptian resort city of Sharm El-Sheikh to St. Petersburg. All 224 people on board, including 25 children, were confirmed dead by Russian and Egyptian authorities. The tragedy has already been named the biggest civil aviation disaster in Russian and Soviet history.