N91BF Douglas C-47B-25-DK Skytrain Basler Flight Service Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Dave Welch - 03/09/1991
N91BF Douglas C-47B-25-DK Skytrain Basler Flight Service Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Derek Heley - 01/08/1990
