DLR research helicopter EC-135 ACT / FHS

DLR research helicopter EC-135 ACT / FHS
The ACT/FHS 'Flying Helicopter Simulator' of the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) is based on a standard Eurocopter EC 135 type helicopter, which has been extensively modified for use as a research and test aircraft.
Credit:

DLR (CC-BY 3.0).

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