Entwicklung und Erprobung von Leichtflugzeugen (EEL) (English: Development and Testing of Light Aircraft) is a German aircraft design firm based in Putzbrunn.
[1][2] Both Neumann and Reich studied aeronautics in the early 1960s while at Technische Universität Berlin.
[3] The EEL ULF 1, a foot-launched microlift glider that weighs 55 kg (121 lb) empty, first flew in November 1977.
The EEL ULF 2 is a single-seat motorglider that first flew in October 1993.
As a result of his design work on the ULF 2 Reich received the Oskar Ursinus Vereinigung (OUV) Hans-Becker-Prize in June 1997.