OMC International is an Australian maritime engineering company specialising in ship motion analysis, Under Keel Clearance (UKC) systems, channel design, dynamic moored vessel analysis, and port optimisation. Over the past 30 years, its unique Dynamic Under Keel Clearance (DUKC®) system has improved the safety and efficiency of large ships moving through shallow waterways. DUKC® has facilitated 200,000 safe transits at more than 120 ports, terminals and waterways worldwide, delivering more than US$10 billion in economic benefits to port users. A suite of innovative solutions has evolved to meet the demands of modern ports, including BerthAlert, TransitAnalyst, PortWeather, the Dynamic Port Capacity Model, and the iHeave2.