| HB-3, HB-21, and HB-23 | |
|---|---|
 Brditschka HB-23 | |
| General information | |
| Type | Motorglider |
| Manufacturer | HB-Flugtechnik |
| Designer | |
| History | |
| First flight | 23 June 1971[1] |
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.
- ^ Taylor 1976, p. 548.