Adacel Technologies Limited is an Australia-based provider of air traffic management solutions and air traffic control simulation and training systems and services. The Company's segments include systems and services. The systems segment includes all sales of complex systems and products covering operational control as well as simulation and training, and the hardware and software upgrade business. The services segment includes all aspects of support, field services and on-site technical services. REVAL, its flagship system, is a virtual air traffic control tower system that delivers a spectrum of digital tower operational solutions, from consulting services to system design, development, deployment and support. REVAL applications include single digital tower, multiple digital tower and contingency digital tower. Its Aurora Air Traffic Management (ATM) System integrates oceanic, approach, and tower control capabilities, which manages procedural airspace in a surveillance environment.