fighter aircraft. Blackburn F.2 Lincock (1928) – Single-engine, single-seat biplane fighter. Blackburn Beagle (1928) – Single-engine two-seat two-seat biplane bomber. Blackburn Bluebird IV (1929) – Single-engine, two-seat biplane training/touring aircraft. Blackburn 2F.1 Nautilus (1929) – Single-engine two-seat engine biplane fighter Blackburn T.7B (1929) – Single-engine three-seat biplane bomber/reconnaissance prototype for Japanese Navy. Built as Mitsubishi B2M Blackburn R.B.2 Sydney (1930) – Three-engine, four-seat parasol-wing long-range flying boat. Blackburn C.B.2 Nile (1930) – Three-engine, two-seat parasol-wing cargo transport, a variant of the Sydney. Blackburn B-1 Segrave (1930) – Twin-engine, four-seat low-wing monoplane touring aircraft Blackburn C.A.15C (1932) – Twin-engine ten passenger high-wing monoplane/ biplane airliner. Blackburn T.8 Baffin (1932) – Single-engine, two-seat biplane torpedo bomber. Blackburn B-2 (1932) – Single-engine, two-seat biplane training aircraft. Blackburn B-3 M.1/30 (1932) – Single-engine, two-seat biplane naval torpedo bomber. Blackburn B-5 Baffin (1932) Blackburn R.B.3 Perth (1933) – Three-engine, five-seat biplane flying boat. Blackburn T.9 Shark (1933) – single-engine, three-seat carrier-based biplane torpedo bomber; see also the prototype named Blackburn B-6 Shark (1933) Blackburn F.3 (1934) – Single-engine single-seat biplane fighter: built, never flew Blackburn B-7 (1934) – General-purpose biplane. Blackburn H.S.T.10 (B-9) (1936) – Twin-engine twelve-passenger low-wing monoplane airliner: built, never flew Blackburn Skua (1937) – Company designation B-24. Single-engine, two-seat low-wing monoplane naval fighter/dive bomber Blackburn Roc (1938) – Company designation B-25. Single-engine, two-seat low-wing monoplane naval fighter/dive bomber with rear turret (detail design and built by Boulton Paul Aircraft) Blackburn Botha (1938) – B-36. Twin-engine, four-seat high-wing monoplane reconnaissance/torpedo bomber & crew trainer Blackburn B-29: Submission for a naval torpedo-bomber reconnaissance aircraft to Specification S.24/37 (which resulted in the Fairey Barracuda); mock-up only, never flew. 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. Blackburn B.44 (1942) – Single-engine flying-boat fighter Blackburn Firebrand (1942) – B.45. Single-engine, single-seat propeller naval strike fighter development of B-37. Blackburn Firebrand (1945) – B.46. Single-engine, single-seat propeller naval strike fighter development of B-45. Blackburn Firecrest (Y.A.1, B-48) (1947) – Single-engine, single-seat propeller naval strike fighter. Blackburn B-50 (1945) – Design proposal for a single engine Nene powered Fleet Air Arm strike fighter. Not built. Blackburn B-52 – Design proposal for a single-engined advanced trainer to meet Specification T.7/45. Not built. Blackburn B-67 (1947) – Design proposal