An overhaul and subsequent modernization of the available AN-2 aircraft or the purchase of already upgraded aircraft TVS-2MS will enlarge carrying capacity and increase transport accessibility in the regions of the Russian Federation.

TPE331-12 engine installation provides:
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15-20% improvement in aircraft performance;
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use of aviation kerosene instead of expensive aviation gasoline;
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reduction of noise and vibration;
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the twice long flight range of the full loaded aircraft;
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improvement of temperature conditions in the passenger and pilot cabins due to the use of air extracted from the power unit;
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reduction of fuel consumption;
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the functioning of anti-icing systems of the engine and the screw
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the possibility of autonomous operation of the aircraft
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using existing infrastructure and aviation personnel with An-2 aircraft operating experience.

Engine compartment is designed with the latest 3D modeling technology.
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25 000 flight hours and 6250 landings have been performed in life tests of the engine mount and the standard linkage units.
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All fatigue strength tests of the elements of the engine mounts were made as well.