Aviation Museum Košice

Sukhoi Su-22M4

Suchoj Su-22M4 4012 [1024 x 475 px] photo: Kamil Pankuch

Suchoj Su-22M4 2702 [1024 x 487 px] photo: Kamil Pankuch

Su-22 is export version of soviet fighter-bomber Su-17.

Prototype marked Su-7IG made its first flight on 2 August 1966 as first soviet plane with variable geometry wing. Serial production of Su-17 began in 1970. Su-17 were powered by AL-7F-1-205 engine. 2820 Su-17 of all versions, including export versions Su-20 a Su-22, were built in Komsomolsk on Amur until 1991. Former Czechoslovakia obtained between 1984 and 1990 52 Su-22M4 and 8 Su-22UM3K. All were powered by engine Ljulka Al-21F-3S - slightly modified engine Al-21F.

Two Su-22M4 displayed in Museum were used by Vzdušné sily OS SR (Ozbrojené sily Slovenskej republiky) - Air Force of Armed Forces of the Slovak Republic: 4012 (s/n 40512) and 2702 with white letter C at tail fin (s/n 27002).

Su-22M4 2702 (initially mistakenly designated as 7002) was delivered to Czechoslovakiain March 1984. Was built as older version, in time of delivery was without TV seeker system, with older system of seat belts, and with only two chaff/flare dispenser on the rear fuselage — later completed to four. After arrival it was assigned to the 1st wing 47th recconaissance regiment in Pardubice. Last time it served at 2nd airbase Air Force of Armed Forces of the Slovak Republic in Kuchyňa in 1st fighter-bomber wing.

Su-22M4 4012 was delivered as a part of big series Su-22M4 from May to August 1989. It was assigned to the 20th fighter bomber regiment in Náměšť nad Oslavou. Alike as 2702 last time served at 2nd airbase in 1st fighter-bomber wing.

Specifications of Su-22M4:
wing span:	10,02 - 13,60 m
length:	19,26 m
height:	5,12 m
wing area:	24,45 m2 (swept) 38,49 m2 (spread)
weight:
- empty	10 670 kg
- maximal take-off	19 430 kg
- maximal landing	kg
engine:	AL-21F-3S
engine thrust:	78 kp with afterburning 112,5 kp
maximal speed:
- at 200 m	1 350 km/h
- at 11 000 m	M=1,7
range:	2550 km (with four external tank 800 l each at 10 000 m)
ceiling:	12 000 m

Versions of Su-17:

• Su-17 (Fitter C) – serial production from 1970. They were powered by AL-7F-1-250 engine.
• Su-17M (Fitter C) – modified version – first major production version – with engine AL-21F3.
• Su-20 (Fitter C) – version of Su-17M for export. It has reduced weapon and navigation systems.
• Su-17R (Fitter C) – small number of Su-17M aircraft equipped to carry reconnaissance pods.
• Su-20R (Fitter C) – export version of Su-17R.
• Su-17M2 (Fitter D) – it can carry wider spectrum of armaments, especially air-to-surface missiles.
• Su-17UM (Fitter E) – training version developed from Su-17M2, powered by AL-21F engine.
• Su-22UM2 (Fitter E) – training version for export, most of them were powered by R-29BS engine.
• Su-22M2K (Fitter F) – export version of Su-17M2 with engine Tumanskij R-29BS-300.
• Su-17M3 (Fitter H) – it has redesigned front part of fuselage, nose is sloped 3° down. Much bulged dorsal spine contains new avionics and bigger central fuel tank.
• Su-17UM3 (Fitter G) – training-attack version developed from Su-17M3.
• Su-22M3K (Fitter J) – export version of Su-17M3, powered by Tumanskij R-29BS-300 engine.
• Su-22UM3K (Fitter G) – export version of Su-17UM3. It can be powered by R-29BS or AL-21F engine.
• Su-17M4 (Fitter K) – final production version. First flight in 1980, from 1981 to 1990 in serial production.
• Su-22M4 (Fitter K) – export version of Su-17M4.

© Kamil Pankuch 2004-2006
airmuseum.kosice at gmail.com

ASP.NET Webhosting