Milloin 809 Naval Air Squadron -laivue perustettiin?
809 Naval Air Squadron
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Citation error, replace with{{cite book| author = Wragg David| title = Fleet Air Arm Handbook 1939-1945| location = Gloucestershire| publisher = Sutton Publishing Ltd| year = 2001| id = ISBN 0-7509-3430-1| language = Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead.}}
Citation error, replace with{{cite book| author = Jackson A J| title = Blackburn Aircraft since 1909| location = England| publisher = Funk & Wagnalls| year = 1968| language = Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead.}}
Citation error, replace with{{cite book| author = Taylor H A| title = Fairey Aircraft since 1915| location = England| publisher = Naval Institute Press| year = 1988| id = ISBN 0-87021-208-7| language = Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead.}}
Citation error, replace with{{cite book| author = Kay Anthony L & Smith J R| title = German Aircraft of the Second World War| location = Lontoo| publisher = Putnam| year = 2002| id = ISBN 0-85177-920-4| language = Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead.}}
Citation error, replace with{{cite book| author = Polmar Norman| title = Aircraft Carriers - A History of Carrier Aviation and its Influence on World Events Vol. 1, 1909-1945| location = Dulles, Virginia| publisher = Potomac Bools Inc| year = 2006| id = ISBN 1-57488-663-0| language = Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead.}}