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
LWS (aircraft manufacturer) state aircraft manufacturer, in fact it was subordinated to the PZL. A director was Maj. Aleksander Sipowicz, a technical director and main designer was initially Zbysław Ciołkosz; from autumn 1937 the technical director was Ryszard Bartel and the main designer Jerzy Teisseyre. The first LWS aircraft were Plage & Laśkiewicz developments. 18 almost ready Lublin R-XIIIF army cooperation aircraft were completed in 1936 and bought by the Polish Air Force (their quality was the pretext for forcing Plage & Laśkiewicz bankruptcy), and the next series of 32 was built for the Polish Air Force by 1938. The factory also continued