N20905 Waco YKS-7 Private Tahlequah Municipal (H73 / KH73), USA - Oklahoma Dave Welch - 09/1991
N20905 Waco YKS-7 Private Lakeland - Linder Regional (LAL / KLAL), USA - Florida George Trussell - 08/04/1990
N20905 Waco YKS-7 Private Bartlesville Municipal (BVO / KBVO), USA - Oklahoma Dave Richardson - 05/06/1999
