The Akaflieg Berlin B4 F.F. was a single-seat aircraft built in Germany in the early 1930s. It was a high-wing monoplane of all-wood construction with fabric-covered foldable wings
Die A.B.4 FF war ein einsitziges Leichtflugzeug der Akademischen Fliegergruppe der Technischen Hochschule Berlin mit dem Luftfahrzeugkennzeichen D-2229. (de)
The Akaflieg Berlin B4 F.F. was a single-seat aircraft built in Germany in the early 1930s. It was a high-wing monoplane of all-wood construction with fabric-covered foldable wings (en)
Die A.B.4 FF war ein einsitziges Leichtflugzeug der Akademischen Fliegergruppe der Technischen Hochschule Berlin mit dem Luftfahrzeugkennzeichen D-2229. (de)
The Akaflieg Berlin B4 F.F. was a single-seat aircraft built in Germany in the early 1930s. It was a high-wing monoplane of all-wood construction with fabric-covered foldable wings (en)