Prototype of light bomber/recco, presented by P.O.Sukhoi during a contest-project 'Ivanov' in 1938-1939. Project started as early as 1935 under general supervision by A.N.Tupolev. Construction started in early 1937 by P.O.Sukhoi brigade at KOZOK, and first aircraft (M-62 engine) was ready without delays.
|Function||Reconnaissater, Light Bomber|
|Engines||1*820hp M-62||1*950hp M-87A||1*950hp M-87B|
|Speed at 0m||360km/h||375km/h|
|Speed at 5600m||403km/h||468km/h|