VH-AYQ Slepcev Storch SS4 Slepcev Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Terry Hopkins - 07/2002
YU-ZBT Slepcev Storch SS4 Private Wiener Neustadt-East (LOAN), Austria Don Hewins - 12/07/2009
YU-ZBT Slepcev Storch SS4 Private Wiener Neustadt-West (LOXN), Austria George Trussell - 12/07/2009
YU-ZBT Slepcev Storch SS4 Private Wiener Neustadt-East (LOAN), Austria Bill Teasdale - 12/07/2009