Supermarine Aircraft in the US and is now an American limited liability company. Aircraft are now approved and flying in many countries and over 92 have been sold. The Supermarine Aircraft Spitfire is the only all-aluminium replica Spitfire in production. Three models have been produced, all sub-scale: Supermarine Aircraft Supermarine Aircraft, LLC is an American kit aircraft manufacturer based in Cisco, Texas, with its head office in nearby Clyde. Originally founded in Brisbane, Australia by Mike O'Sullivan and his business partner John McCarron, the company manufactures the Supermarine Aircraft Spitfire homebuilt kit aircraft which, although slightly smaller than the original Supermarine Spitfire,
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