A cikin 1936 da 1937, ya shiga cikin jiragen sama masu yawa, ciki har da jirgin sama mai tsawon sa'o'i 63 daga Moscow, Soviet Union zuwa Vancouver, Washington, Amurka ta hanyar Arewacin Pole a cikin jirgin sama na Tupolev ANT-25 (18<unk>20 Yuni 1937), nesa ba tare da tsayawa ba na kilomita 8,811 (5,475 mi). Jirgin ya fara hanyar jirgin sama na polar daga Turai zuwa ga Pacific Coast na Amurka. Tambaya: Menene ƙwarewar Chkalov?
jirgin sama