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
British military aircraft designation systems British military aircraft designation systems British military aircraft designations are used to refer to aircraft types and variants operated by the armed forces of the United Kingdom. Since the end of the First World War, aircraft types in British military service have generally been known by a name (e.g. "Spitfire"), with individual variants recognised by mark numbers, in contrast to the systems such as that used in the United States, where an aircraft type is primarily identified by an alphanumeric designation. The British military aircraft designations (e.g. "Spitfire Mark V" or "Hercules C3") should not be confused with the serial