OSKBES MAI / PJSC Concern KEMZ MAI-411

Fixed Wing Multi Engine

Aircraft Information

ICAO Code
A411
Manufacturer
OSKBES MAI / PJSC Concern KEMZ
Model
MAI-411
Aircraft Type
Fixed Wing Multi Engine
Primary Role
General Aviation

Technical Data

Engine Type
Inline
Engine Model
912S
Production Years
2018-2018
Units Produced
1
First Flight
2018-04-12

The OSKBES-MAI MAI-411 represents Russia's modern attempt to develop a versatile four-seat twin-engine aircraft for regional connectivity in challenging terrain. First flown on April 12, 2018, it is a high-wing twin-engine design powered by two Austrian Rotax 912S engines, capable of carrying four occupants with a maximum speed of 290 km/h and range of 1,500 kilometers. Measuring 1.22 meters in cabin height and 1.275 meters in width, the aircraft was developed by the Special Design Bureau for Experimental Aircraft Manufacturing Branch of Moscow Aviation Institute (OSKBES MAI).

Development and Design Philosophy

The MAI-411 emerged from a collaboration between OSKBES MAI and PJSC Concern KEMZ beginning in December 2012, with the ambitious goal of creating a multi-purpose aircraft capable of operations in Russia's most challenging environments. The design team at OSKBES MAI, drawing from over five decades of experience in light aircraft and unmanned aerial vehicles, conceived the MAI-411 to serve passenger transport, cargo hauling, tourism, and patrol missions across mountains, steppes, deserts, and taiga regions where temperatures range from -25°C to +40°C.

The aircraft incorporates several innovative features for its class, including all-digital navigation systems enabling instrument flight rules (IFR) operations, a one-piece tailplane design that reduces weight while improving efficiency, and tricycle landing gear with optional float or ski configurations for diverse operational environments. The twin Rotax 912S engines are mounted symmetrically in wing nacelles, a configuration chosen specifically for reliability in harsh conditions.

Manufacturing Partnership

OSKBES MAI, tracing its origins to the Moscow Aviation Institute founded in 1930, evolved through decades of student-led aircraft development. The current design bureau formally established on August 11, 1982, had previously designed over 280 MAI-890 aircraft and various UAV systems including the MAI-920 Kvant, PS-01 Komar, and Elf series. For the MAI-411 project, they partnered with Kizlyar Electromechanical Plant (KEMZ) in Dagestan, a state-owned enterprise with experience in agricultural aircraft production.

The prototype construction split between two facilities: OSKBES MAI's production center in Moscow and KEMZ's facility in Kizlyar. KEMZ established a dedicated workshop for potential series production, positioning itself as the primary investor and prospective manufacturer for any future aircraft orders. The total project investment reached approximately 200 million rubles, equivalent to $2.7 million USD at 2019 exchange rates.

Flight Testing and Certification

Test pilot Anton Mitrofanov conducted the maiden flight on April 12, 2018, from Kizlyar airport, keeping the aircraft aloft for 11 minutes and 20 seconds. The flight test program progressed systematically, with the aircraft earning airworthiness certification in 2019 under Russian FAP-118 regulations, equivalent to international CS-23/FAR-23 standards for normal category aircraft.

A significant milestone occurred in 2021 during high-altitude testing, when the MAI-411 demonstrated its capability by completing a 300-kilometer flight from Kizlyar to Machada village at 2,000 meters altitude in just 2.5 hours—a journey that requires six hours by automobile. This 45-minute high-altitude demonstration flight validated the aircraft's intended role in providing regional connectivity to remote locations.

Technical Specifications and Performance

The MAI-411's twin Rotax 912S powerplants, manufactured by BRP-Rotax GmbH & Co. KG in Austria, represent proven technology in the light aircraft sector. These fuel-injected, liquid-cooled engines each produce approximately 100 horsepower and are renowned for their reliability and favorable power-to-weight ratio. The main fuel tanks are integrated into the center-wing section, contributing to the aircraft's balanced weight distribution.

Performance figures demonstrate the aircraft's versatility: a maximum speed of 290 km/h, cruise speed of 270 km/h, and operational range of 1,500 kilometers. The aircraft can operate at altitudes up to 3,000 meters, with proven capability for high-altitude airport operations. The cabin accommodates four occupants in a 2+2 seating arrangement, with the pilot positioned in the left seat and dual controls available. Adjustable seating and dedicated luggage space enhance passenger comfort during extended flights.

Public Presentation and Limited Production

The MAI-411 made its public debut at MAKS-2017 on July 24, 2017, generating interest in Russia's aviation community. Despite subsequent presentations at events including the Army-2021 forum, the aircraft has remained a single-prototype program. No serial production has commenced, though KEMZ maintains its production capability and the aircraft design aligns with Russian government initiatives supporting small aircraft development.

Current Status and Legacy

As of the latest available data, only the original prototype exists, representing both the potential and challenges facing modern Russian general aviation. The MAI-411 demonstrates OSKBES MAI's continued innovation in aircraft design, building upon their historical contributions to Soviet and Russian aviation including numerous UAV systems developed for defense applications.

The aircraft embodies Russia's efforts to develop indigenous solutions for regional connectivity, particularly in remote areas where conventional transportation proves inadequate. While commercial success remains elusive, the MAI-411 showcases the technical capabilities of Russian educational institutions and their industry partners in creating modern, certified aircraft that meet international standards for safety and performance.