1929
A.S.Yakovlev AIR-3 'Pionerskaja Pravda' light weight
monoplane with crew of two flew nonstop 1835km with average speed 166.8km/h, setting and International Record.
21,242km (Moscow - Omsk - Khabarovsk - Petropavlovsk-Kamchatskij - Attu Island - Seattle - San-Francisco -
New York) were covered in 137 flight hours by 'Strana Sovetov', unarmed series
TB-1/ANT-4 heavy bomber by
A.N.Tupolev.
