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 It was nevertheless built in comparatively small numbers and was withdrawn from active service as Sopwith Camels arrived in the latter half of 1917.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.
St Croix Sopwith Triplane St Croix Sopwith Triplane The St Croix Sopwith Triplane is an American homebuilt aircraft that was designed and produced by St Croix Aircraft of Corning, Iowa. When it was available the aircraft was supplied as a kit or in the form of plans for amateur construction. The aircraft is a full-size replica of the 1916 Sopwith Triplane fighter aircraft The aircraft features a cantilever strut-braced triplane layout, a single-seat, with an optional two-seats-in-tandem open cockpit, fixed conventional landing gear and a single engine in tractor configuration. The St Croix Sopwith Triplane differs from the original 1916 design in that it