Sopwith Swallow Hawker in April 1921, but was placed into storage when Hawker was killed in July. It was refurbished in 1925 and was used for aerobatic displays and for racing until 1927 when it was scrapped. Sopwith Swallow The Sopwith Swallow was a British parasol wing fighter aircraft of the First World War. A single example was built, but it saw no production, offering no performance advantages over contemporary biplanes. In June 1918, the Sopwith Aviation Company flew an unarmed parasol monoplane derivative of the Sopwith Camel, the Sopwith Monoplane No. 1, also known as the Sopwith Scooter. It used a
Sopwith Hippo for the gunner's Lewis guns was replaced by a more conventional Scarff ring mounting a single Lewis gun. The rebuilt prototype flew in April 1918, with a second prototype following in June. No further production followed. Some sources suggest that, rather than a rebuilt first prototype, that the Hippo with reduced stagger was a new aircraft. Sopwith Hippo The Sopwith 3F.2 Hippo was a prototype British two-seat fighter aircraft of the First World War. It was a single-engined biplane with considerable negative stagger. It was not successful, the Bristol F.2 Fighter (already in production) being preferred by the Royal Flying