Brditschka HB-3 / HB-21
Страна: Австрия
Год: 1971
Планер

Single-seat powered sailplane
Brditschka HB-3R single-seat powered sailplane
Brditschka HB-21 two-seat powered sailplane developed from the HB-3
Militky MB-E1 electric-powered aircraft, modified from an Austrian-built HB-3 sailplane
Militky MB-E1 electric-powered aircraft, during its first flight