The AMS-71/73 is an automated scanner device for ultra-sound inspection of Spar Cap Girder structure of fibre re-inforced rotor blades for wind turbines. It is designed forinspection of 200/400 mm wide Spar Caps.The inspection is performed with a forklift mounted scan-ner while the Spar Cap Girder structure of the rotor bladeis placed vertically. The inspection performs 24 line scansalong the length of the blade.During inspection the forklift is driven by the operator alongthe rotor blade. The operator positions the scanner unit atthe correct position (height) with help from a video ca-mera.The scanner unit is mounted on a motorized arm that forcesthe probes against the blade surface and compensates for