GOM’s measurement systems provide strong support to the aerospace market and its suppliers by giving accurate component gear rack geometry and material properties. The relevant data was used for finite component simulation and flow evaluation, and the real data obtained in the wind tunnel and environmentally friendly test box were in comparison for simulation verification and input parameters for invert engineering. Optical 3D scanners are specially suitable for quality control of complicated free-form surfaces. Therefore, they are used to detect aircraft engine airfoils, land gas and steam turbines, and turbochargers.