Success of German Klemm L 25 led to formation of British Klemm Aeroplane Co. early 1933, works at Hanworth, Middlesex, designer G.H. Handasyde. L 25 strengthened and further developed into Swallow (November 1933). Handasyde added new design B.K.l Eagle, flown January 1934. Company renamed British Aircraft Manufacturing Co. 1935; see BA.