Photo © S7 Group Spectra Aircraft, in cooperation with specialists from the Chaplygin Siberian Aeronautical Research Institute (SibNIA), has conducted the maiden flight of an updated version of the S7 […]
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Tag: S7 Group
APD-520: An Innovative Reverse Engineering Approach to Light Aviation Engines
APD-520 piston aircraft engine / Photo © Ladislav Karpov, TASS In the summer of 2025, S7 Group plans to undertake a series of tests on its new APD-520 “Leader” piston […]
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