The Fairey IIIF shared little, apart from a structural similarity, from the Fairey Fox.

Over the years Zlin in Czechoslovakia produced a number of training aircraft capable of aerobatics and these have been popular around the world.

The Gemini was designed in Canada by Christopher Heintz of Zenair Ltd as a twin-engine light sporting aircraft with twin-engine performance and reliability to be made available to interested parties in kit form that was affordable and easy to build.

The company Backcountry Super Cubs produces what is basically a redesigned Super Cub and produced kits for amateur builders at its facility in Douglas, Wyoming.