N91863 Schweizer SGS-1-23 The Western Antique Aeroplane & Automobile Museum Hood River (4S2 / K4S2), USA - Oregon Peter Davis - 16/07/2017
N91874 Schweizer SGS-1-23 Southwest Soaring Museum Moriarty (0E0 / K0E0), USA - New Mexico Keith Sowter - 06/10/2014
