single-seat fighter for Romania. 65 ordered and at least 10 completed before order cancelled. Two used for racing. Operators Military operators Royal Canadian Air Force Fighter Flight No. 1 Squadron (1937–1939) Siskins Aerobatic team (1929–1932) Estonian Air Force - operated two Siskin IIIDCs from 1930 to 1940. Royal Swedish Air Force Royal Air Force No. 1 Squadron No. 17 Squadron No. 19 Squadron No. 25 Squadron No. 29 Squadron No. 32 Squadron No. 41 Squadron No. 43 Squadron No. 54 Squadron No. 56 Squadron No. 111 Squadron Civil operators Air Service Training Specifications (Siskin IIIA) See also References Citations Bibliography Angelucci, Enzo. World Encyclopedia of Military Aircraft. London: Jane's Publishing, 1981. Dempsey, Daniel V. A Tradition of Excellence: Canada's Airshow Team Heritage. Victoria, BC: High Flight Enterprises, 2002. Donald, David (ed.). The Encyclopedia of World Aircraft. London: Aerospace Publishing, 1997. Gerdessen, F. "Estonian Air Power 1918 – 1945". Air Enthusiast, No. 18, April – July 1982. pp. 61–76. Gunston, Bill. World Encyclopaedia of Aero Engines. Book Club Associates, 1986 Jackson, A.J. British Civil Aircraft since 1919, Volume 1. London: Putnam, 2nd Edition, 1973. Lumsden, Alec. "On Silver Wings — Part 5". Aeroplane Monthly, February 1991, Vol 19 No 2, Issue 214. pp. 72–78. ISSN 0143-7240 Mason, Francis K. The British Fighter Since 1912. Annapolis, Maryland: Naval Institute Press, 1992. Meekcoms, K J and Morgan, E B. The British Aircraft Specification File. Tonbridge, Kent, UK: Air-Britain, 1994. Milberry, Larry. Aviation in Canada. Toronto: McGraw-Hill Ryerson Limited, 1979. Milberry, Larry. 60 Years: The RCAF and CF Air Command 1924–1984. Toronto: Canav Books, 1984. Tapper, Oliver. Armstrong Whitworth Aircraft since 1913. London:Putnam, 1988. . Thetford, Owen. "On Silver Wings — Part 6". Aeroplane Monthly, March 1991, Vol 19 No 3, Issue 215, pp. 138–144. London: IPC. ISSN 0143-7240. Racing aircraft Single-engined tractor aircraft 1920s British fighter aircraft Siskin Sesquiplanes Aircraft first flown in 1919