Tags: Aircraft.
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.
Tags: Aircraft.
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.
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