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Supermarine Stranraer
The Supermarine Stranraer was a 1930s flying boat designed and built by the British Supermarine Aviation Works company principally for the Royal Air Force. They entered operations in 1937 and many were in service at the outbreak of the Second World War undertaking anti-submarine and convoy escort patrols. They were withdrawn from operational service in March 1941 but continued to serve in a training capacity until October 1942. In addition to the British-built aeroplanes, the Canadian Vickers company in Montreal, Quebec, built 40 Stranraers under licence for the Royal Canadian Air Force. The RCAF Stranraers served in anti-submarine and coastal defense capacities on both Canada's Atlantic and Pacific coasts, and remained in service until 1946. Following their withdrawal from military service, many Canadian Stranraers were sold off to fledgeling regional airlines and they served in commercial passenger and freighter operation well into the 1950s.
==Design and development==
Designed by R. J. Mitchell as a tender to Air Ministry R.24/31 Specification for a coastal reconnaissance flying boat for the RAF, it was initially turned down but Supermarine proceeded with the type as a private venture first known as the Southampton V. A contract was placed in 1933 for a prototype powered by two Bristol Pegasus IIIM engines and the type became known as the Stranraer.
The structure was mainly duralumin, with the hull covered with sheet metal and the wings with fabric.
Following the initial flight-test programme, the Stranraer prototype (''K3973'') on 24 October 1934 was delivered to the RAF. On 29 August 1935, an initial order was placed for 17 aircraft (serial numbers ''K7287'' to ''K7303'') to the Air Ministry Specification 17/35. The production version was fitted with the Pegasus X and first flew in December 1936, entering service operations on 16 April 1937; the last Stranraer was delivered 3 April 1939. An additional order for six aircraft (''K9676'' to ''K9681'') was placed in May 1936, but subsequently cancelled. A total of 40 Stranraers were built in Canada by Canadian Vickers Limited; Supermarine and Canadian Vickers being subsidiaries of Vickers-Armstrongs.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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