Aircraft: passenger, cargo, postal, sanitary, training, military, special aviation (agricultural, polar), including aircraft: "USSR L-157", "Stalin's route" at airfields, in the air. Loading cargo, mail, patients, passengers, disinfection of fields, a plane for the winter in the Arctic. Flight school cadets in the classroom, at home. Pilots P.O. Osipenko, M. Raskova, V. Grizodubova board the plane. V. Chkalov with his wife and son at the airport. Solemn welcome of pilots Chkalov, Baidukov, Belyakov, Gromov, Danilin, Yumashev in Moscow.