Aircraft
- Taylorcraft Plus C – licence-built Taylorcraft B
- Taylorcraft Plus D – re-engined Plus C.
- Model D/1 – Auster I – military version of Plus C with enlarged windows.
- Model E – Auster III – re-engined Auster I with split flaps.
- Model F – Auster II – re-engined Auster I.
- Model G – Auster IV – enlarged version of Auster III.
- Model H – Experimental tandem two-seat training glider converted from Taylorcraft B.
- Model J – Auster V – Auster IV with blind-flying instruments.
- Auster J family
- J/1 Autocrat – three-seat high-winged monoplane light aircraft (fitted with Blackburn Cirrus Minor II engine)
- Auster J/1A Autocrat – four-seat version of Autocrat
- Auster J/1B Aiglet – re-engined agricultural version of Autocrat (de Havilland Gipsy Major engine)
- Auster J/1N Alpha – re-engined four-seat Autocrat (de Havilland Gipsy Major engine)
- Auster J/1S Autocrat
- J/1U Workmaster – agricultural version of the Alpha
- J/2 Arrow
- J/3 Atom – low-powered version of Arrow with Continental engine
- J/4 – Arrow with Blackburn Cirrus Minor I engine
- J/5 Adventurer – three-seat high-wing monoplane light aircraft
- Auster J/5 Adventurer
- Auster J/5A Adventurer
- J/5 Autocar
- Auster J/5B Autocar – four-seat high-winged monoplane light aircraft
- Auster J/5E Autocar
- Auster J/5G Autocar
- Auster J/5P Autocar
- Auster J/5V Autocar
- J/5 Aiglet Trainer – aerobatic version of the Autocar
- Auster J/5F Aiglet Trainer
- Auster J/5K Aiglet Trainer
- Auster J/5L Aiglet Trainer
- Auster J/8L Aiglet Trainer
- J/5 Alpine – improved Aiglet Trainer
- Auster J/5R Alpine
- Auster J/5Q Alpine
- Model K – Auster AOP6 – post-war military Air Observation aircraft.
- Auster 6A Tugmaster – glider towing conversion of the Auster 6
- Auster 6B / Beagle Terrier – civil conversion of the Auster 6
- Model L – proposed two or three seat low-wing monoplane based on the Model G airframe with a Lycoming O-290-3 engine, not built.
- Model M – Auster A.2/45 – 2 or 3-seat high-wing AOP aircraft, prototype only.
- Model N – Auster A.2/45 – re-engined Model M, prototype only.
- Model P – Auster Avis – four-seater based on J/1 with slimmer fuselage, two built.
- Model Q – Auster T7 – two-seat trainer version of AOP6.
- Model S – AOP aircraft based on AOP6 with enlarged tail, prototype only.
- Model A7 – light twin project, not built.
- Model B1 – mid-wing AOP project, not built.
- Model B3 – radio-controlled target drone.
- Model B4 – Auster B4 – four-seat high-winged ambulance aircraft
- Model B5 – Auster AOP9 – 1950s military air observation aircraft
- Model B6 – parasol-wing agricultural project with bubble canopy, not built.
- Model B8 – Auster B8 Agricola – low-winged agricultural aircraft
- Model B9 – ramjet helicopter project, not built
- Model C4 – Auster Antarctic – modified Auster T7 for Antarctic support.
- Model C6 – Auster Atlantic – four-seat high-wing touring monoplane with tricycle undercarriage, one built.
- Model D4 – Auster D4 – two-seat development of the Auster Arrow.
- Model D5 – Beagle Husky – re-engined version of Auster Alpha with modified tail
- Model D6 – Auster D6 – four-seat development of Auster Autocar
- Model D8 – original designation of Beagle Airedale.
- Model E8 – AOP9 with modified engines as the AOP11.
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