SB
СБ
- Origin
- Soviet Union
- Notes
- Total: en 6,656 (5,695 at Factory No. 22, 1,136 at No. 125, 3 prototypes, 45 Aero and 66 Avia); ru more than 6,600 (6,616 by table). Spain (from October 1936) and Khalkhin Gol (June–September 1939) are outside the catalogued theatres. The service below is for SBs whose version the sources do not name.