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War in Ukraine

Ukraine Identifies 79 Companies Involved in Production of Russia’s Su-35S Fighter Jets

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Illustration of a Russian Su-35S multirole fighter jet. (Source: Oleksandr Manulkians/UNITED24 Media)
Illustration of a Russian Su-35S multirole fighter jet. (Source: Oleksandr Manulkians/UNITED24 Media)

Ukraine has exposed dozens of companies sustaining production of Russia’s Su-35S fighter jets, revealing that nearly a third of the identified suppliers remain untouched by international sanctions.

Ukraine’s Defense Intelligence (HUR) has published information on 79 companies involved in production of Russia’s Su-35S fighter jets, the agency reported on August 25.

The materials were released through HUR’s War&Sanctions portal and detail the network of enterprises involved in manufacturing key components and systems for the Russian aircraft.

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According to Ukrainian intelligence, Russian forces primarily use the Su-35S to provide cover for Su-34 fighter-bomber strike groups, ground forces, and military facilities. The aircraft is also deployed to intercept Ukrainian drones and cruise missiles and to counter Ukraine’s air defense systems.

The 79 companies identified by HUR are involved in the development and production of the Su-35S’s engines and fuel system, as well as its control, communications, guidance, and electronic warfare systems. The list also includes manufacturers involved in producing key air-launched missiles used by the fighter.

HUR said that 22 of the 79 identified companies have yet to be sanctioned by any country participating in the international sanctions coalition.

Among the unsanctioned companies is Rubin Corporation, which supplies braking and non-braking aircraft wheels.

The list also includes public joint-stock company Gidroavtomatika, which manufactures AU46-05 control units incorporated into the fighter’s fuel system.

Another company identified by Ukrainian intelligence is the Oktava Research Institute, which carried out research and development work as part of the Su-35S fighter program.

About Su-35S

The Su-35S is a Russian multirole supermaneuverable fighter aircraft based on a heavily modernized Su-27 platform and powered by two thrust-vectoring engines.

The aircraft has a maximum speed of up to 2,500 km/h (1,553 mph), can carry a combat payload of up to 8,000 kg (17,637 pounds), and is equipped with the Irbis radar, which can track up to 30 targets simultaneously. Its armament includes long-range air-to-air missiles such as the R-37M.

Beyond its use by the Russian military, Moscow has also sought to expand the Su-35’s presence abroad. Leaked internal records from Russia’s state-owned defense conglomerate Rostec previously revealed preparations to supply the fighter jets to Ethiopia.

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