Traffic airline Aeroflot in 1971 and all foreign airlines flying to the Soviet Union. Made by a real schedule, current as of December 1971. All beads are involved in traffic correspond to the real depth, working in the same year in the respective airlines. Time in traffic is established, taking into account the FS Real Time for the summer period (+4 GMT). More than 300 cities in the former Soviet Union, as well as virtually the entire fleet of Aeroflot that period, and MI-2 and Mi-4.