The Praga BH-111 was a sportsplane of Czechoslovakia, designed and built specifically to compete in Challenge 1932, the European touring plane championships. It was a two-seater low-wing monoplane.
The Heinkel He 64 was a sports plane designed by the German aeronautical engineers Siegfried and Walter Günter and produced by the aircraft manufacturer Heinkel. It was specifically built to participa
Heinkel He 64 3-view drawing from L'Aerophile Salon 1932