The INNOPROM 2026 industrial exhibition in Yekaterinburg is being used by Russia’s Ural Civil Aviation Plant (UZGA) to exhibit two of its most critical aviation initiatives: the UTS-800 primary trainer aircraft and the new VK-800 turboprop engine. The exhibition has historically served as a platform for the presentation of industrial products that have not been previously showcased at the event. UZGA’s involvement in the exhibition is indicative of the company’s important position in Russia’s quest to develop domestically produced aircraft and propulsion systems.
The VK-800 engine has entered one of the most challenging stages of its certification campaign, and the display is timely. UZGA has verified that the engine has commenced long-duration certification testing, which is being conducted under the supervision of specialists from the Russian Aviation Register and the State Research Institute of Civil Aviation (GosNII GA).
VK-800 Begins Extended Certification Testing
The most recent phase entails a 150-hour endurance test on a specialized engine test stand. Engineers and certification authorities will operate the engine at maximum power settings during these trials to evaluate its reliability, durability, system stability, and overall performance under real-world conditions.
This endurance testing is a critical milestone that must be completed before an aircraft engine can be granted type certification.
One Engine Family for Multiple Aircraft
UZGA has developed the VK-800 as a modular family that is capable of serving multiple platforms, rather than designing individual engines for each aircraft. The engine generates horsepower in the range of 806 to 877, depending upon the application.
The powerplant is designed in accordance with the traditional turboprop architecture, which includes a centrifugal compressor, a reverse-flow combustion chamber, a single-stage compressor turbine, and a two-stage free power turbine. This configuration has been chosen to achieve a balance between performance, reliability, and simplicity of maintenance for light aircraft operations.
At present, there are three main variants in development.
The LMS-901 Baikal is a light utility aircraft designed to replace the aged Antonov An-2 fleet that operates in remote regions of Russia and has been equipped with the VK-800SM. The engine is currently undergoing certification testing as part of the Baikal development program.
The VK-800S1 variant is designed for the LMS-192 Osvey, a regional multipurpose aircraft that is currently under development by Russia and Belarus.
In the interim, the VK-800SP version has been created to meet the training needs of both military and civilian pilots for the UTS-800 primary trainer aircraft.
UZGA has also disclosed that the VK-800SM will be used to remotorize localized L-410 aircraft assembled in Russia, thus broadening the engine’s potential application beyond newly constructed aircraft.
Baikal Program Remains the Priority
The LMS-901 Baikal is the most high profiled project among the aircraft that depend on the VK-800. The aircraft is expected to replace Soviet-era aircraft that are currently serving in isolated communities and become Russia’s next-generation light utility platform.
In April 2025, the Ministry of Industry and Trade of Russia granted UZGA a contract in excess of 10 billion rubles to finalize the development of the Baikal with the AV-901 propeller and the VK-800SM engine. The agreement pertains to the fifth phase of the LMS-5 development program and necessitates the completion of type certification by December 17, 2027.
Therefore, the engine is one of the critical technologies that must be implemented prior to the Baikal’s entry into operational service and serial production.
Certification Expected This Year
Anton Alikhanov, the Russian Minister of Industry and Trade, underscored the importance of the VK-800 program earlier this month.
Alikhanov announced during a government session in the Federation Council on July 2 that UZGA is expected to finalize the certification of the VK-800 engine and the AV-901 propeller for the LMS-901 Baikal by the end of the year.
The Baikal program would be able to make further progress toward aircraft certification and eventual production if certification were to be achieved, as it would eliminate one of the major technical obstacles.
UTS-800 Trainer is also on display
UZGA is exhibiting the UTS-800 training aircraft and its engine at INNOPROM.
The aircraft is intended to serve as a contemporary primary trainer for aspiring pilots and is equipped with systems that are typically found in more sophisticated training platforms. The aircraft offers a modern training environment and combines maneuverability with reduced operating costs, as per UZGA.
It is equipped with a comprehensive suite of onboard avionics, air conditioning, an integrated oxygen system, and ejection seats. The purpose of these features is to enhance safety and operational capability while simultaneously supporting comprehensive pilot instruction from the earliest phases of flight training.
This aircraft is powered by the VK-800SP engine variant, which has been specifically designed to provide a domestically produced propulsion solution for Russia’s pilot training fleet.
Timeline for Development
Over the past few years, the VK-800 program has made steady progress.
In 2019, engine development started as part of Russia’s overarching initiative to localize aircraft components and decrease its reliance on imported propulsion systems. The first major hardware milestone was achieved by 2022, when engineers completed the assembly of the engine’s gas generator.
In 2023, factory development testing was initiated to enable engineers to verify the design and resolve technical issues prior to certification. The engine’s design documentation was awarded the Russian “O” designation in 2024, indicating the completion of the design phase and the readiness to undergo formal certification testing.
Consequently, the ongoing endurance trials are the most recent phase of a multi-year development initiative that is designed to introduce the engine into operational service.
Assisting Russia in its Regional Aviation Initiatives
The VK-800 has emerged as one of the most critical turboprop engines in Russia’s development pipeline due to its capacity to maintain multiple aircraft simultaneously, rather than a single platform. A common propulsion solution is provided across utility, regional, and training aviation through its planned integration into the Baikal, Osvey, UTS-800, and localized L-410 aircraft.
UZGA is emphasizing the developments of its domestic aviation programs by exhibiting the engine and its associated aircraft at INNOPROM 2026, where certification testing is currently underway. The VK-800’s ability to power the next generation of Russian-built light aircraft entering commercial and instructional service will be contingent upon the results of the ongoing endurance tests and subsequent certification activities.