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 It was nevertheless built in comparatively small numbers and was withdrawn from active service as Sopwith Camels arrived in the latter half of 1917.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 Atlantic flying boats, with John Cyril Porte selected to be the pilot, the outbreak of the First World War in August 1914 put a stop to these plans. Following the Armistice ending the War on 11 November 1918, the competition was reopened, Thomas Sopwith, the head of the Sopwith Aviation Company decided to build an aircraft to compete for the prize. George Carter of Sopwith-based his design for the transatlantic aircraft on the single-engined Sopwith B.1 bomber aircraft. It was a large, two-bay biplane powered by a Rolls-Royce Eagle engine in a tractor configuration. It had a deeper fuselage than the