The Tupolev ANT-35 all-metal light passenger transport prototype was based on the SB-2 bomber, and was flown initially on 20 August 1936. Of low-wing configuration with retractable main landing gear units, it was powered by two 597kW Gnome-Rhone 14K radials, later replaced by Soviet M-85s; its near circular-section fuselage accommodated a crew of two or three and 10 passengers. The improved ANT-35bis prototype was followed by nine series aircraft powered by 746kW M-62IR engines, and the type entered service with Aeroflot as the PS-35, delivered from 1937 to 1939. After June 1941 several were used for liaison and VIP transport, this 20.80m span aircraft having a maximum speed of 372km/h and a range of 1640km.
PS-35 Engines: 2 x M-85 Max take-off weight: 6620 kg / 14595 lb Wingspan: 20.8 m / 68 ft 3 in Length: 15.0 m / 49 ft 3 in Height: 5.9 m / 19 ft 4 in Wing area: 58.0 sq.m / 624.31 sq ft Max. speed: 376 km/h / 234 mph Cruise speed: 350 km/h / 217 mph Ceiling: 7200 m / 23600 ft Range: 1600 km / 994 miles Crew: 2 Passengers: 10