Sopwith Triplane of 1917, surviving Triplanes were used as advanced trainers with No. 12 Naval Squadron. 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 It was nevertheless built in comparatively small numbers and was withdrawn from active service as Sopwith Camels arrived in the latter half of 1917.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
Sopwith Dragon Dragon was finally declared obsolete in April 1923. Sopwith Dragon The Sopwith Dragon was a British single-seat fighter biplane developed from the Sopwith Snipe. In April 1918, the sixth Snipe prototype was fitted with a 320 hp (239 kW) ABC Dragonfly I radial engine. To compensate for the greater weight of the Dragonfly, the fuselage was lengthened by 22 in (56 cm). The prototype suffered persistent ignition system defects, but performance was encouraging when the Dragonfly engine operated properly. In June 1918, the Royal Air Force issued a contract for 30 Dragonfly-engined Snipes, which were subsequently named Dragons. In late