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,
British military aircraft designation systems by Manufacturer Name and Specification Number. If accepted they would get a service name. For example, the "Fairey 6/22"; this being the 6th specification issued in the year 1922 that was accepted as the "Fairey Flycatcher". Later, a preceding letter was added to the Specification Number to identify the type of aircraft; e.g. the "Bristol B.28/35", a bomber aircraft, the 28th specification of the year 1935, which would become the Bristol Blenheim. From about 1910, the largest single designer of aircraft for the British Army's Royal Flying Corps was the Royal Aircraft Factory. The Royal Aircraft Factory designated its types