Adacel Technologies Limited provides air traffic management, air traffic control simulation, and training systems and services in the United States, Canada, Australia, and Estonia. It operates through Systems and Services segments. The Systems segment is involved in the sale of complex systems and products for operational control, and simulation and training, as well as the sale of hardware and software upgrade. The Services segment provides support, field, and on-site technical services. It also offers REVAL virtual air traffic control tower system that delivers digital tower operational solutions comprising consulting services, system design, development, deployment, and support. In addition, it provides Aurora air traffic management system that integrates oceanic, approach, and tower control for managing procedural airspace in a surveillance environment; MaxSim, a tower and radar air traffic control simulation and training system; and intelligent communications environment, an aviation phraseology training tool for air traffic controllers and pilots. The company was founded in 1987 and is based in Melbourne, Australia.