01/31/2012. Remarks by Walter van Tilborg: "The PJ 5A was a modification of ex-military Piper J3 L-4 Cub aircraft developed by Frenchman Jean Poullin. Registered F-PDVD the pictured first aircraft flew during 1946 and had a 65 hp Continental O-170-3 (military A65) engine. Reregistered F-BDVD on November 8, 1949, it was followed by at least four more PJ 5A aircraft and a single PJ 5B."