High Quality Content by WIKIPEDIA articles! The GAF Nomad is a twin-engine turboprop, high-winged, "short take off and landing" (STOL) aircraft . It was designed and built by the Australian Government Aircraft Factories (GAF) at Fishermens Bend, Melbourne. Major users of the design have included the Royal Flying Doctor Service of Australia, the Australian Army and the Australian Customs Service. The Nomad is to be re-engineered and put back into production as the GA18.