High Quality Content by WIKIPEDIA articles! The Vickers F.B.25 was a British two-seat night fighter prototype of World War I designed to attack enemy airships. Completed in 1917, it failed in its official flight tests that year and no order for production resulted. In 1916, Vickers Limited designed a two-seat pusher configuration biplane fighter, the F.B.23, to replace its obsolete Vickers F.B.5 and F.B.9 "Gunbuses". A number of versions of the FB.23 were planned depending on the engine used, with possible powerplants including a 150 hp (119 kW) Salmson water cooled radial engine, a 150 hp Hart air-cooled radial engine and a 200 hp (149 kW) Hispano-Suiza 8 V-8 engine.

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