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
Gloster Aircraft Company accommodation. In 1934, Gloster was acquired by another British aircraft manufacturer, Hawker Aircraft. Regardless of this change in ownership, the company continued to produce aircraft under its own brand name. In that same year, Gloster produced one of its most famous aircraft, the Gladiator biplane. The 1935 merger of Hawker Aircraft and the interests of J. D. Siddeley (Armstrong Siddeley and Armstrong Whitworth Aircraft) saw Gloster become a part of Hawker Siddeley Aircraft, Ltd. At the outbreak of the Second World War, the firm lacked any modern designs of its own in production, but had significant expertise and production facilities