ZK-RMI Quad City Challenger I Private Unknown, New Zealand Bill Fisher - 05/03/2007
N2055S Quad City Challenger I Private Madison Municipal (IMS / KIMS), USA - Indiana Brian Johnstone - 23/09/2023
N2706B Quad City Challenger I Private Kewanee Municipal (KEZI), USA - Illinois Trevor Bartlett - 06/09/2023
N103RW Quad City Challenger I Private St Elmo (2R5 / K2R5), USA - Alabama Derek Heley - 23/06/2015
N447AC Quad City Challenger I Private Roanoke - Northwest Regional (52F / K52F), USA - Texas Jon Wickenden - 16/05/2010
N4050T Quad City Challenger I Private Reklaw - Flying M Ranch (7TA7), USA - Texas Derek Heley - 27/10/2007
N51427 Quad City Challenger I Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Steve Homewood - 23/07/2007
