[4][5] During the First World War, the skilled staff were moved to sites around the city and in neighbouring South Gloucestershire producing planes to their own designs and, under contract, those of other companies.
[5] In the 1920s, aircraft manufacture was centralised at a factory in Yate close to an airfield used by the Royal Flying Corps.
[8] After the Second World War as aircraft component manufacture reduced, domestic appliances were built at the site.
The Parnall Possum was an experimental triplane, with a single, central engine driving wing-mounted propellers via shafts and gears.
The Parnall Pixie was a low-powered single-seat monoplane light aircraft originally designed to compete in the Lympne trials for motor-gliders in 1923, where it was flown successfully by Norman Macmillan.
[17] The Parnall Pike was a two/three-seat biplane reconnaissance aircraft, capable of operating off carrier decks or from water, built in 1927.
Its single engine was fitted on a tilting mounting in the nose, so that the propeller could be kept clear of the water on takeoff and landing.
The Parnall G.4/31 was a 1930s general purpose aircraft which could operate as a day and night bomber as well as the reconnaissance, torpedo and dive-bombing roles.
The Parnall Heck was designed by Basil B. Henderson as a single-engined, conventional low-wing cabin monoplane, built of spruce with a plywood covering, initially a two-seater in tandem layout.