Flexible ultrasonic phased array probes can inspect complex composite part geometries. The document discusses: 1. Flexible array technology that allows probes to flex and keep elements perpendicular to surfaces. 2. Testing that showed a probe could flex to a minimum diameter of 12.7mm concave and 40mm convex without degrading performance. 3. Inspection of a composite part with a flexible probe that allowed fast, accurate inspections and detection of defects as small as 0.5mm.