The Aerbul HB-4 was a 1990s, Argentine contender in the IGC's World Class competition sailplane contest. It did not win and only two were built before a fatal accident terminated the programme.
The Aerbul HB-4 was a 1990s, Argentine contender in the IGC's World Class competition sailplane contest. It did not win and only two were built before a fatal accident terminated the programme. (en)
The Aerbul HB-4 was a 1990s, Argentine contender in the IGC's World Class competition sailplane contest. It did not win and only two were built before a fatal accident terminated the programme. (en)