In November 2013 the crash of Tatarstan Airlines Flight 363 claimed the lives of all passengers and crew . Russia 's air transport regulator Rosaviatsiya recommended that Tatarstan Airlines ' operating license be withdrawn after air incident investigators concluded that the crash was due to overworked and inadequately trained crew . The airline 's operating license was revoked on 31 December 2013 and its aircraft were transferred to Ak Bars Aero
Tatarstan Airlines Flight 363
Tatarstan Airlines Flight 363
Tatarstan Airlines