The Supermarine Walrus (originally known as the Seagull V) was a British amphibian flying boat of the Second World War first produced in 1933 as the Seagull V and supplied to the Australian military before being adopted by the British Admiralty in 1935 and renamed the Walrus. The Supermarine Walrus was an equal-span single-bay biplane produced in a metal and wooden hull versions, powered by a Bristol Pegasus VI 9-cylinder radial air-cooled engine providing a top speed of 217 kmh and a range of 966 km. The Supermarine Walrus carried a crew of three and was used for marine reconnaissance. Research Supermarine Walrus