The Praga BH-41, later redesignated E-41, was a military advanced trainer aircraft produced in Czechoslovakia during the 1930s.

The pilot and instructor sat in open cockpits in tandem, and the fixed tailskid undercarriage featured divided main units.

Praga also produced a version powered by a ZOD 260 radial diesel engine, designated the E-141.

[1][2] Following successful trials, an order was placed for a second batch of aircraft, this time for 95 machines with this engine.

These aircraft continued service in the Slovak–Hungarian War and into the Second World War, when around 30 E-241s saw service with the Slovak Air Force in its campaign against the Soviet Union together with the German Luftwaffe.