 The Czechoslovak OK-AMC was crashed during trainings, and had not been repaired before the contest.In the Challenge 1934, held between August 28-September 16, 1934, Polish RWD 9S took the first (pilot Jerzy Bajan, SP-DRD) and second places (pilot Stanisław Płonczyński, SP-DRC).They won among others against German low-wing monoplanes Messerschmitt Bf 108 and Fieseler Fi 97.