Profile: Sonicworks, Inc. provides underwater inspection system. We provide acoustic positioning and navigation system (APNS) for underwater measurement and surveillance. Our APNS comprises a flexible, short-to-long baseline system, operating on a multi- frequency basis and achieving ranges from 3 to 1,000 meters. The maximum update rate is 50 times per second with total cycle times dependent upon total range. Our underwater security system combines APNS technology with fixed array sonar. This system detects any movement in a surface craft, underwater vehicle, diver or swimmer. We provide integration of APNS with existing ROV and control systems.