Caproni PS.1
The Caproni PS.1, also known as the Pallavicino PS-1 and Caproni Ca.303, was an Italian four-seater sportsplane, designed and built specifically to compete in Challenge 1934, the European touring plane championships. == Design and development == The PS.1 was designed by Cesare Pallavicino, the former designer of Breda, after he had moved in 1933 to Caproni.