Sopwith Triplane Sopwith Triplane The Sopwith Triplane was a British single seat fighter aircraft designed and manufactured by the Sopwith Aviation Company during the First World War. It was the first military triplane to see operational service. The Triplane joined Royal Naval Air Service squadrons in early 1917 and was immediately successful. It was nevertheless built in comparatively small numbers and was withdrawn from active service as Sopwith Camels arrived in the latter half of 1917. Surviving Triplanes continued to serve as operational trainers until the end of the war. The Triplane began as a private venture by the Sopwith Aviation Company.
Sopwith Antelope fly air mail, remaining in existence until 1935. "The Olympia 1920 Aero Show". "Flight", 22 July 1920, pp. 793—806. Sopwith Antelope The Sopwith Antelope was a British three-seat transport aircraft built after the end of the First World War. A single-engined biplane based on the Sopwith Wallaby long-range aircraft, only a single Antelope was built. In 1919, the Sopwith Aviation Company developed a three-seat transport aircraft, the Sopwith Antelope, based on its Wallaby long-range aircraft built to compete for a £10,000 prize for an England-Australia flight, which was in turn based on the Sopwith Atlantic, which had crashed during an