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Sukhoi Su-20 (Fitter-C)


Fighter-Bomber / Ground Attack Aircraft


The Sukhoi Su-20 Fitter-C was nothing more than an export version of the Su-17 Fitter series.
Authored By: Staff Writer | Edited: 2/22/2018
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Specifications


Year: 1973
Status: Active, Limited Service
Manufacturer(s): Sukhoi - Soviet Union
Production: 156
Capabilities: Fighter; Interception; Ground Attack; Reconnaissance (RECCE); Training;
Crew: 1
Length: 61.52 ft (18.75 m)
Width: 45.28 ft (13.8 m)
Height: 16.40 ft (5 m)
Weight (MTOW): 42,990 lb (19,500 kg)
Power: 1 x Lyulka AL-21F-3 turbojet engine developing 24,802 lb of thrust.
Speed: 1,379 mph (2,220 kph; 1,199 kts)
Ceiling: 49,869 feet (15,200 m; 9.44 miles)
Range: 419 miles (675 km; 364 nm)
Operators: Egypt; Poland; Syria
With the success that was the Sukhoi Su-17 "Fitter" swing-wing product, it was only natural for Soviet authorities to allow its sale to global allies and this endeavor provided the basis for the Su-20 "Fitter-C" export mark - based largely on the Su-17M (S-32MK model). The Su-20 was delivered with a ranging radar system, improved navigation suite, and a modern attack system while being powered by an AL-21F-3 24,800 lb thrust engine. The aircraft also appeared in limited export quantity as a reconnaissance variant under the designation of "Su-20R" - these being based on the Su-17R reconnaissance model. The Su-17 was later developed into a much-improved export variant recognized as "Su-22".

Armament included 2 x 30mm Nudelman-Rikhter NR-30 series internal cannons for close-in work. The airframe also held some ten hardpoints for the carrying of various air-to-air and air-to-surface munitions. Its crew was one and the export model retained much of the form and function of the Soviet line. Operational use of the Su-20 fell to Egypt, Poland, and Syria where they served in the fighter-bomber and ground attack roles.






Armament



STANDARD:
2 x 30mm Nudelman-Rikhter NR-30 cannons

OPTIONAL:
10 x Hardpoints for a variety of air-to-air or air-to-ground munitions.

Graphical image of an aircrat automatic cannon
Graphical image of an air-to-air missile weapon
Graphical image of a short-range air-to-air missile
Graphical image of an aircraft air-to-surface missile

Variants / Models



• Su-7 (Fitter-A) - Base Fixed-Wing Interceptor Model on which the Su-17 is based on.
• Su-7IG/ S-22I (Fitter-B) - Based on the Su-7BM production model; used in testing the swing-wing component.
• Su-17 (Fitter-B) - Base production model; limited production; extended fuselage based on the Su-7U two-seat trainer; revised airframe with dorsal fuselage spine; increased internal fuel capacity; fitted with Lyulka AL-7F-1 engine; production from 1969 to 1973.
• Su-17K (Fitter-B) - Egyptian Export Model Designation of the base Su-17.
• Su-17M (Fitter-C) - Initial Production Model of note; fitted with Lyulka AL-21F-3 engine; revised nav-attack system; implementation of dual pitot vanes as well as AoA vane; brake parachute; positional shock cone; production from 1972 to 1975.
• Su-20 (Fitter-C) - Export Designation of Su-17M production model.
• Su-17M-28 - Developmental Airframe for testing AS-9 "Kyle" anti-radar missile.
• Su-17MKG - Developmental Airframe for testing AS-10 "Karen" and AS-14 "Kedge" air-to-surface missiles.
• Su-17R (Fitter-C) - Limited Production Reconnaissance Variant of the Su-17M production model.
• Su-20R (Fitter-C) - Export Designation of Su-17R reconnaissance model.
• Su-17M2 (Fitter-D) - Redesigned and extended nose assembly; undernose Doppler radar; laser rangefinder; improved and expanded avionics; production from 1974 to 1977.
• Su-17M2D (Fitter-D) - Fitted with Tumansky R-29BS-300 series engine of 25,335lbf; revised rear fuselage; production from 1977 to 1978.
• Su-22 / S-32M2K (Fitter-F) - Export Designation of Su-17M2D production model.
• Su-17UM / S-52U (Fitter-E) - Two -Seat Conversion Trainer; based on the Su-17M2 production model; revised deeper fuselage; deletion of internal fuel capacity; portside cannon removed; enlarged vertical tail fin for improved longitudinal control at high AoA; production from 1976 to 1978.
• Su-22U - Export Model Designation of Su-17UM two-seat trainer; fitted with Tumansky R-29 series engine.
• Su-17M3 / S-52 (Fitter-H) - Additional fuel and avionics equipment; based on two-seat trainer sans the second cockpit; improved range; internal Doppler radar system; launch rails installed for AA-2 and AA-8 missiles; production from 1976 to 1981.
• Su-22M / S-52K (Fitter-J) - Export Model Designation of the Su-17M3; fitted with Tumansky R-29 series engine; downgraded avionics.
• Su-22M3 / S-52MK (Fitter-J) - Export Model Designation of Su-17M3 with Soviet Su-17M3 avionics in place.
• Su-17UM3 / S-52UM3 (Fitter-G) - Improved Two-Seat Trainer; Su-17M3 avionics; production from 1978 to 1982.
• Su-22UM3 (Fitter-G) - Export Model Designation of Su-17UM3 trainer; fitted with Tumansky R-29 engine.
• Su-22UM3K (Fitter-G) - Export Model Designation of Su-17UM3 trainer; fitted with Lyulka AL-21 engine.
• Su-17M4 - Upgraded avionics suite; improved laser rangefinder; Sirena radar-warning receiver; fuselage and dorsal air inlets for improved engine cooling; fixed shock cone; TV-guided ordnance compatibility; production from 1981 to 1988.
• Su-22M4 / S-54K - Export Model Designation of Su-17M4 production model; production from 1983 to 1990.
• Su-22M5 - Modernized Fitters with French/Russian-based equipment and systems; HOTAS; glass cockpit; improved avionics suite; Phazotron/Thomson-CSF radar system; sans laser rangefinder.
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