The CASA I.131E Jungmann two-seat biplane is a trainer evolved from the license built Bücker
Bü.131A Jungmann. Bücker Flugzeugbau was founded by Carl Bücker in 1932. Their first design was
the Bü.131A Jungmann powered by a 4 cylinder Hirth in line engine. The prototype "D-3150"
flew first 27 April 1934. The Jungmann was ordered by the Deutsche Luftsport Verband and used as a
trainer for the Luftwaffe. The Bü.131 was built under license in Japan, Switzerland, Czechoslovakia and Spain.
In Spain production started 1938 and the CASA I-131 remained in production with the Construcciones
Aeronàuticas Sociedad Anonima (C.A.S.A.) till the end of the fifties. The ICAO Aircraft Type Designator
for the CASA I.131E Jungmann is BU31.
C.A.S.A. I.131-E Jungmann s/n 2095 was original built in 1952 for the Ejército del Aire Español - Spanish Air Force - and registered E.3B-351.
The aircraft was fitted by CASA with an ENMA Tigre G-IV-Ax engine. In service with the Spanish Air Force the Jungmann was used as a training aircraft.
After being withdrawn from service in the Spanish Air Force the aircraft was registered D-EEGN in Germany in August 1991. On 22 August 2004,
C.A.S.A. I.131-E Jungmann 2000 D-EEGN was seen during the Fly-In 2004 at Bielefeld-Windelsbleiche airfield (EDLI)
