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 It was nevertheless built in comparatively small numbers and was withdrawn from active service as Sopwith Camels arrived in the latter half of 1917.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 Admiralty Type C landing a few days later on 8 February. The two survivors, 157 and 159, were withdrawn from service at the end of 1915. Sopwith Admiralty Type C The Sopwith Admiralty Type C was an early British seaplane designed and built by Sopwith Aviation to drop torpedoes. A single engined tractor biplane seaplane, three were delivered to the Royal Navy in November 1914 but proved unable to lift a torpedo. The Admiralty had ordered a special torpedo carrying biplane (the Sopwith Special torpedo seaplane Type C, serial number "170") in February 1914 and followed it with an order in July 1914