Geo Oceans and Vertech demonstrated the capabilities of the ROV inspection system for In-Water Surveys (IWS) on an offshore FPSO. Tasks included subsea ROV Non-Destructive Testing (NDT), visual inspections, and fouling cleaning. The ROV inspection system included hull attachment tools for stabilisation, high pressure & mechanical cleaning tools, CP & Ultrasonic Thickness Measurements (UTM) sensors, sonar for navigation, laser profiler, and calliper tools for chain link measurements.