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| Su‑27 | |
|---|---|
| Name | Su‑27 |
| Caption | Su‑27UB in flight |
| Type | Air superiority fighter |
| Manufacturer | Sukhoi |
| First flight | 20 May 1977 |
| Introduction | 1985 (Soviet Air Defence Forces) |
| Primary user | Soviet Air Defence Forces |
| Produced | 1977–present |
| Number built | ~1,600 |
Su‑27
The Su‑27 is a twin‑engine, supermaneuverable air superiority fighter developed by Soviet Union design bureaus and fielded by the Soviet Air Forces, Soviet Naval Aviation, and successor states including Russian Air Force. Conceived during the Cold War to counter threats from aircraft such as the F-15 Eagle and to escort strategic assets, the Su‑27 entered service in the mid‑1980s and later formed the basis for numerous export and indigenous programs used by countries such as China, India, Vietnam, and Ukraine. The type influenced global fighter design and fostered related designs including the Su-30, Su-33, Su-34, and Su-35 families.
The Su‑27 originated in requirements issued by the Soviet Air Defence Forces and the Ministry of Radio Industry for a long‑range, highly maneuverable interceptor to engage USAF platforms including the F-15 Eagle, F-14 Tomcat, and the strategic systems operated by NATO. The program was led by the Sukhoi Design Bureau under chief designers such as Pavel Sukhoi's successors and involved engineers from design bureaus associated with the Soviet aerospace industry and research institutes like the Gromov Flight Research Institute and TsAGI. Early prototypes incorporated advances in aerodynamics, twin alveolar fuselage layout, and powerful AL‑31F turbofan engines produced by Lyulka / NPO Saturn. Avionics suites included radar systems from Tikhomirov NIIP and fire‑control systems integrating data links developed by Agat, enabling integration with command networks used by units from the Soviet Air Defence Forces and the Soviet Naval Aviation.
Initial flight testing at Gromov Flight Research Institute and state trials overseen by the Ministry of Defence (Soviet Union) demonstrated the airframe's high thrust‑to‑weight ratio, relaxed static stability, and use of a fly‑by‑wire enhancement; operational certification led to induction by the Soviet Air Forces and production at facilities tied to the Komsomolsk-on-Amur Aircraft Plant and other assembly plants. Geopolitical drivers such as the Cold War arms race, procurement priorities set by the Politburo, and export arrangements negotiated with partners like India and China influenced subsequent production and modernization paths.
The Su‑27 first entered service with units from the Soviet Air Defence Forces and conducted air patrols over strategic regions including the Arctic and the Baltic Sea during the late Cold War. After the dissolution of the Soviet Union, Su‑27s served with successor organizations like the Russian Air Force, Ukrainian Air Force, and Belarusian Air Force, and were deployed in operations related to regional crises involving states such as Georgia and Syria. Export operators employed Su‑27 airframes in air defense, training, and regional power projection efforts; these deployments intersected with diplomacy involving nations like Indonesia, Angola, and Ethiopia.
Throughout the 1990s and 2000s, modernization programs led by organizations including Sukhoi, Irkut Corporation, and United Aircraft Corporation upgraded avionics, weapons integration, and radar suites drawing on technologies from institutes such as Tikhomirov NIIP and Research Institute of Flight Instrumentation. Notable peacetime roles included participation in air shows organized by entities like the MAKS Air Show and strategic intercepts recorded by NATO air policing units from countries including United Kingdom, Germany, and Poland.
The Su‑27 spawned a family of derivatives developed by Sukhoi and licensed partners. Two‑seat trainer and combat‑capable variants were produced for conversion and weapons training, with production and modification work performed at plants linked to Komsomolsk-on-Amur Aircraft Plant and Irkutsk Aviation Plant. Larger multirole and strike derivatives such as the Su-30 series were developed with collaboration from organizations like Hindustan Aeronautics Limited for India and KnAAPO for export customers. Carrier‑based adaptations known as the Su-33 served with Soviet Naval Aviation and successor naval aviation forces; further specialized strike and bomber‑fighter designs evolved into the Su-34 and advanced air superiority models culminating in the Su-35 modernization programs coordinated by United Aircraft Corporation and equipped with upgraded AL‑41F1S engines and avionics from firms like KRET and Tikhomirov NIIP.
Export variants and licensed builds involved industrial partnerships with entities such as Shenyang Aircraft Corporation in China producing localized versions and upgrades influenced by domestic programs like the J-11 series. Combat trainers, reconnaissance adaptations, and demonstration special‑role aircraft were derived for operators including Vietnam People's Air Force and the Indonesian Air Force.
Current and former operators include successor states and export customers: Russia, Ukraine, Belarus, China, India, Vietnam, Ethiopia, Indonesia, Angola, Ethiopia, Kazakhstan, and Malaysia via legacy acquisition routes and regional defense procurement programs negotiated through ministries such as the Ministry of Defence (Russian Federation) and export agencies tied to Rosoboronexport. Training and display units associated with aerobatic teams like the Russian Knights operate Su‑27 derivatives at events such as the MAKS Air Show and Paris Air Show.
General characteristics: - Crew: 1–2 (single‑seat and two‑seat trainers) assigned by service regulations of organizations like the Russian Air Force and Ukrainian Air Force. - Powerplant: 2 × Saturn/Lyulka AL‑31F turbofan engines installed and maintained under contracts with enterprises such as UAC partners. - Length, wingspan, weight, performance figures standardized in type documentation distributed to ministries including the Ministry of Defence (Soviet Union) and successor ministries.
Avionics and armament suites were developed by industrial research bodies such as Tikhomirov NIIP, KRET, and integrated with weapon systems manufactured by enterprises linked to Tulamashzavod and coordinated through procurement by defense establishments like Rosoboronexport.
Su‑27s have been involved in intercept incidents and engagements that drew attention from international organizations such as NATO, national air policing units including the Royal Air Force and Luftwaffe, and regional defense contingents. Combat use includes air superiority and escort missions conducted by operators in conflicts involving states such as Georgia and Syria, and reported losses in skirmishes and accidents investigated by agencies like the Investigative Committee of Russia and service investigation boards from the Ukrainian Air Force. High‑profile air displays by teams like the Russian Knights have produced both acclaim and mishaps reported in aviation safety records maintained by institutes like the Gromov Flight Research Institute.