|Type: Su-17UM3 (S-52UM3, 'Fitter-G')|
Su-17UM3 (S-52UM3, 'Fitter-G')
Based on the revised airframe of the Su-17UM, but with an avionics bay and an additional fuel tank in place of the rear cockpit, increasing the internal fuel capacity to 4850 l (1,280 U.S. gal). Doppler radar moved internally, removing the fairing. 'Klen-P' laser rangefinder/target designator. A launch rail for K-13 (AA-2 'Atoll') or R-60 (AA-8 'Aphid') was added between the two existing pylons on each wing. First flight 30 June 1976 with V. A. Krechetov at the controls. Export version with the R-29 engine and downgraded avionics (equivalent to Su-17M2) was designated Su-22M (factory designation S-52K, NATO 'Fitter-J') and first flew on 24 May 1977 with E. S. Soloviev at the controls. An export version with Su-17M3 avionics was designated Su-22M3 (factory S-52MK). Su-17 manufactured 1976-1981, Su-22M manufactured 1978-1984. Su-17M/Su-22M/Su-22M3 was the most numerous variant with almost 1,000 built.