The 1969 Yukhnov mid-air collision occurred when an Ilyushin Il-14M, operating as Aeroflot Flight 831, a scheduled domestic passenger flight from Moscow-Bykovo Airport to Simferopol Airport, Crimea collided in the air on 23 June 1969 with an Antonov An-12BP of the Soviet Air Force over the Yukhnovsky district of Kaluga Oblast, in the Russian SFSR of the Soviet Union. All 120 occupants of both aircraft perished in the crash.