 The first aircraft produced were 35 Potez 15 bombers for the Polish Air Force, under the French licence, built from 1925.By 1929 the works had produced 155 Potez 27 and 150 Potez 25, under French licence, and 50 PWS-A fighters, which was the Czech Avia BH-33 built under licence.It also produced 50 Bartel BM-4 trainers in 1931, designed by Samolot.