Blackburn Aircraft
…Blackburn B-20 (1940) – Twin-engine, six-seat experimental monoplane retractable-hull flying boat. Built for Air Ministry specification R1/36 Blackburn Firebrand (1942) – B-37. Single-engine, single-seat propeller naval fighter Blackburn B-40 - development of B.20 design for specification R.13/40 . Cancelled…