The flight testing of upgraded An-70 aircraft was started - RUSSIAN AVIATION

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The flight testing of upgraded An-70 aircraft was started

Russian Aviaton » Tuesday October 9, 2012 10:07 MSK

An-70 | photo from airforceworld.com

The flight testing of upgraded An-70 aircraft developed by Russia and Ukraine was started, RBC Ukraine reports with reference to Antonov State Enterprise.

"During the period from September 27th to September 30th the advanced short takeoff and landing military –transport An-70 aircraft performed three test flights after the significant upgrade of its avionics and powerplant", - the enterprise reports.

The performance capabilities of all the aircraft systems have been checked during the tests: engine control system, propfan rotor control system, aircraft control system, wing-flap system and crew life-support system. The readiness of An-70 for performing the test program approved by the Ministries of Defense of Russia and Ukraine has been confirmed.

As noted by the president and general designer of Antonov, Dmitry Keeva, “these test flights of the upgraded An-70 are the beginning of a very important stage of the aircraft’s development”.

The upgrading of An-70 included modernization of its powerplant by means of installing the modified engine and propfan control systems and the upgraded propfan in order to decrease noise level.

The auxiliary power plant was replaced by a more advanced one, which is able to work under a wide range of operation conditions. In addition, almost all the components of An-70’s avionics have been upgraded, including flight deck displays, due to update of element base and new mission needs. At that the mathematical models and algorithms of the aircraft control system and its components have not been changed. This solution assured the credit of previously obtained test results.

The preliminary test program includes 20 flights. Experts of Russian and Ukrainian MoD will be involved in the program. Then the final stage of the joint state testing, which includes 75 flights, will be started. The upgraded research flight simulator for An-70 aircraft has been put into service. It is intended for development of aircraft systems (including automatic control system), verifying their fault safety and carrying out pilot training.

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