ADi News2013-08-27 13:12:59

Honeywell's TPE331-12UAN engine chosen to improve the An-2's operational capabilities and efficiency.

Honeywell Aerospace has been selected by Russia's Siberian Aeronautical Research Institute (SibNIA) to supply an expected 300 TPE331-12UAN turboprop engines as part of a major upgrade offering for Russia's Antonov An-2 fleets, with an option for additional orders. Starting in late 2013, Honeywell will supply the engines and aftermarket support to improve the operational capabilities and efficiency of the An-2.

Honeywell's TPE331-12UAN engine is a derivative of the proven TPE331-12UHR that powers the Jetstream 32 and Metro 23, and will provide 1,100 takeoff shaft horsepower (SHP) for the An-2. SibNIA selected the engine because of its performance, fuel efficiency, proven reliability and demonstrated ability to support operations in remote and challenging environments.

The An-2 is a versatile utility biplane with unique capabilities including remarkable short takeoff and landing performance, low-speed handling, large payload capacity and the ability to operate out of unprepared fields.

SibNIA's overhaul of the An-2 will bring some of the industry's latest engineering to the platform and comes at a time when the Russian government is increasing its focus on aerospace and, in particular, aviation infrastructure in remote areas. Government and private operators upgrading their An-2 fleets with SibNIA will benefit from the TPE331's versatile and robust design to complete a wide range of missions including local air transport, firefighting, aerial spraying, medevac and training.

Honeywell and SibNIA are also considering additional opportunities for future collaboration on the An-2 program. These could include avionics, with both manufacturers exploring concepts for upgrading the An-2 cockpit using the extensive capabilities of Honeywell's avionics product line, as well as the potential for localized production of the TPE331-12UAN. SibNIA will be the focal point for TPE331 engine support in Russia for the An-2, building gradually from line maintenance to overhaul as dictated by aircraft fleet utilization and operational needs.



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