Built by the Royal Aircraft Factory at Farnborough, the FE.2 (Fighter Experimental 2) first appeared in 1911, entering production in August 1913 as a fighting scout aircraft.

The Wikopter was an experimental helicopter designed and built by Geoffrey Neville Wikner (1904 - 1990) at Trafalgar Heights, Nelson Bay, NSW.

Gustave Whitehead as he was known in the United States (born Gustav Albin Weisskopf on 1 January 1874 in Leutershausen in Bavaria) was born and raised in Germany and was trained in Augsburg as an engine builder.

In about 1932 an unusual aircraft was designed by Italy in Mr Luigi Stipa and built by Caproni, at one stage being claimed to be the first Italian jet-aircraft to fly.

In about 1930 in Western Australia Mr E (Ted) Galway, who described himself as a Canadian, designed and built a biplane with wings which could be pivoted on a spanwise line to permit the incidence to the wing to be varied in flight with the additional and important characteristic that

The Circle is a radical design built in Sydney by Ronald J Feast Mr Feast spent many years designing and building model aircraft and in recent years has been working on models of a circular-wing aircraft

The prototype Chipmunk (CF-DIO-X), which was designed by W J Jakimiuk for de Havilland Canada, was flown for the first time on 22 May 1946.

The Dehn Ring Wing was built in 1972 by its designer, Karl Dehn, in Victoria where it was known around Benambra (near Omeo) as “the flying Dunny Seat”.