bn:00387261n
Noun Concept
Categories: Mid-engined aircraft, High-wing aircraft, Austrian sailplanes 1970–1979, Aircraft first flown in 1971, Motor gliders
EN
Brditschka HB-3  HB-3  Brditschka-Militki MB-E1 Electric One  Brditschka HB-21  Brditschka HB-23
EN
The Brditschka HB-3, HB-21 and HB-23 are a family of motor gliders of unorthodox configuration developed in Austria in the early 1970s. Wikipedia
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