United Kingdom - British Aerial Transport

• BAT F.K.20 (1917) Ship plane
• BAT F.K.21 (1917) Fighter
• BAT F.K.22 (1918) Single-engine single-seat fighter aircraft
• BAT F.K.23 Bantam (1918) Single-engine single-seat fighter
• BAT F.K.24 Baboon (1918) Single-engine biplane training aircraft
• BAT F.K.25 Basilisk (1918) Single-engined single-seat fighter aircraft
• BAT F.K.26 (1919) Single-engine four-passenger biplane transport aircraft
• BAT F.K.27 (1919) Two-seat single engine sporting biplane
• BAT F.K.28 Crow (1920) Single-engine single-seat ultralight aircraft

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