Introduced in 1936, there were 6,656 Tupolev SBs built (a monoplane, which is a fixed-wing aircraft configuration with a single main wing plane), and they were designed by Alexander Arkhangelsky.
The Tupolev ANT-40, also known by its service name Tupolev SB (Russian:    Skorostnoi Bombardirovschik  high speed bomber) and development co-name TsAGI-40, was a high speed twin-engined three-seat monoplane bomber, first flown in 1934. A monoplane is a fixed-wing aircraft configuration with a single main wing plane, in contrast to a biplane or other multiplane, which have multiple planes. Alexander Arkhangelsky 1936 6,656 
