Supermarine Aircraft Spitfire Aircraft company and produce all-Australian homebuild aircraft kits. In the event, the constant-speed, four-blade propeller would be obtained from a specialist firm in New Zealand. Supermarine Aircraft is not related to the original British Supermarine company, although the owners of the Supermarine marque have given their permission for the name to be used. The first production model was named the Spitfire Mk25 and was a 75% scale replica of the original Supermarine Spitfire design. The stressed skin structure consists of 2024 aluminium alloy skins, formers and longerons with some fibre-glass mouldings for parts such as fairings and air scoops. The
Worldwide Ultralite Worldwide Ultralite Worldwide Ultralite Industries was an American aircraft manufacturer. The company specialized in the design and manufacture of ultralight aircraft in the form of kits for amateur construction and ready-to-fly aircraft in the US FAR 103 Ultralight Vehicles rules. Formed in the early 1980s, the company was out of business by the 1990s. The company produced three simple ultralight designs, the Worldwide Ultralite Clipper, the Worldwide Ultralite Skyraider S/S and the Worldwide Ultralite Spitfire, which was derived from the Phantom X1. After the demise of Worldwide Ultralite, the Spitfire design was produced by Don Ecker and later Air Magic