SAC

helicopters and dynamic and structural parts, thereof, the dynamic parts of the helicopter being as defined as the constituent parts/components of the main rotor assembly and the tail rotor assembly that provide aerodynamic control of the helicopter during flight operations, the constituent mechanical and hydraulic parts and mechanical and hydraulic components of the rotor control system that provides inputs, i.e. collective and/or cyclic pitch inputs, to the main rotor assembly and the trail rotor assembly for control of the flight operations of the helicopter, and the constituent parts/components of the transmission system that transmit power from the helicopter engines (excluded) to the main and tail rotor assemblies to power flight operations of the helicopter