Atlas I Army co-operation aircraft - 271 built for the RAF.
Atlas Trainer Dual-control trainer version of Atlas I - 175 built.
Atlas II Cleaned up, more powerful version, powered by 525 حصان (391 كـو) Armstrong Siddeley Panther. Rejected in favour of Audax by RAF.[1] 15 built for قوانغشي Air Force, China.[2]
Ajax minor differences from Atlas I - 4 built for RAF.
Aries improved Atlas I with easier access for maintenance and increased dimensions - one built
EAF Atlas Greek lower-cost version (main differences in wing structure, engine and propeller) - 10 built by مصنع الطائرات الحكومي في اليونان after 1931.[3]