G-CKCZ Schleicher ASK-21 Booker Gliding Club Wycombe Air Park (Booker) (EGTB), UK - England Derek Heley - 30/04/2017
G-CKCZ Schleicher ASK-21 Booker Gliding Club Aboyne (XABO), UK - Scotland Keith Bradley - 10/10/2012
G-CKCZ Schleicher ASK-21 Booker Gliding Club Wycombe Air Park (Booker) (EGTB), UK - England Robert Hodgson - 28/06/2008
G-CKCZ Schleicher ASK-21 Private Wycombe Air Park (Booker) (EGTB), UK - England David Reeves - 11/10/2008
