N31481 Slingsby T.67M T-3A Firefly US Air Force Kirkbymoorside - Slingsby Factory, UK - England Derek Heley - 01/10/1994
G-FLYV Slingsby T.67B Firefly Private Kirkbymoorside - Slingsby Factory, UK - England Derek Heley - 01/10/1994
G-BOXK Slingsby T.67C Firefly Private Kirkbymoorside - Slingsby Factory, UK - England Derek Heley - 01/10/1994
