De Havilland D.H.50 - version overview:
D.H.50 - single-seat transport aircraft
D.H.50A
D.H.50J - version with Armstrong-Siddeley Jaguar engine
Source:
http://en.wikipedia.org/wiki/De_Havilland_DH.50
D.H.50 - single-seat transport aircraft
D.H.50A
D.H.50J - version with Armstrong-Siddeley Jaguar engine
Source:
http://en.wikipedia.org/wiki/De_Havilland_DH.50