N15427 Monocoupe 90A Private Unknown, USA Air-Britain J M Gradidge Collection - 1955*
N15427 Monocoupe 90A Private Columbia (O22 / KO22), USA - California Dave Welch - 22/05/1993
N15427 Monocoupe 90A Private Riverside / Rubidoux - Flabob (RIR / KRIR), USA - California Roger Syratt - 10/11/2012
N15427 Monocoupe 90A Private Blakesburg - Antique Airfield (IA27), USA - Iowa Dave Welch - 01/09/2012
