N17037 Porterfield 35 70 Private Brodhead (C37), USA - Wisconsin Dave Welch - 09/09/1991
N17037 Porterfield 35 70 Ray Williams Blakesburg - Antique Airfield (IA27), USA - Iowa Dave Welch - 09/1981
N17037 Porterfield 35 70 Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Brian Bickers - 07/1987
