2 decal variants:
1. Praga E.141.1, Vojenské letecké učiliště, Prostějov 1936-37
2. Praga E.241.43, Vojenské letecké učiliště, Prostějov 1938
Total was produced about 80 machines, which was used in Czechoslovak army to March 1939 year. In war years were flown in Slovakian A.F. as trainer and reconnaissance as operational on the Eastern front. Luftwaffe also used some machines as advanced trainers in A/B schools.