In the spring of 1934, the army leadership decided on the participation of Czechoslovak pilots in the international aerobatic competition Coupe Mondial, which was to be held in June in Paris. Under the leadership of ing. Novotny and with the help of acrobats rtm. Novak and Sgt. Ambruz, a new aerobatic aircraft B-222 was created in six weeks.
1 decal variant:
1. Avia Ba.122.17, 4th International Aviation Meeting Zurich, July 1937
In Paris, Novak finished fourth and Ambruz eighth. The aircraft was further modified, the rudder was enlarged and the upper wing was fitted with winglets. This version was already marked Ba 122. For the 1936 Olympics in Berlin, the Ba.122 was equipped with a more powerful nine-cylinder Avia Rk-17 or Walter Pollux engine. Here Siroky came second, Novak third and Ambruz eighth.