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,
Spitfire Mark I Spitfire Mark I The Spitfire Mark I was a utility helicopter built in the United States in the late 1970s and intended for series production. In essence, the Mark I was an Enstrom F-28 that was modified to use an Allison 250 turboshaft engine and geared transmission in place of the original piston engine and system of vee belts. The resulting powerplant installation was lighter and more compact, which allowed for additional cargo or fuel. Spitfire Helicopters' parent company, Fetsko Aviation Sales and Transportation began work on the prototype in January 1976, and on a number of pre-production aircraft in