Based on the true story of Russian pilot Valeri Chkalov (1904 - 1938), who set several long-distance flight records. Chkalov and co-pilots Baidukov and Belyakov altogether had accomplished several nonstop long-distance flights. In June 1937, Chkalov set the world record, covering 12,000 kilometers in 63 hours of nonstop flight from Moscow to Vancouver, Washington, flying over the North Pole.

Chkalov
Stalin
Ordzhonikidze
Olga
Pavel Pavlovich
Baidukov
commander Alyoshin
grandpa Yermolai
Belyakov
Chkalov's family friend
airplane designer