NX261XY Keith Rider R-4 Replica Private Chino (CNO / KCNO), USA - California Andrew Breeden - 29/11/2013
N261Y Keith Rider R-4 Replica Private Riverside / Rubidoux - Flabob (RIR / KRIR), USA - California David Dickins - 21/05/2017
N261Y Keith Rider R-4 Replica Planes of Fame Air Museum Chino (CNO / KCNO), USA - California Brendan McCartney - 13/04/2007
N261Y Keith Rider R-4 Replica Planes of Fame Air Museum Chino (CNO / KCNO), USA - California Dave Mangham - 19/10/1996
N261Y Keith Rider R-4 Replica Planes of Fame Air Museum Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin George Trussell - 27/07/1991
