Gliding checks
been a long time since I went gliding, but the checks we used were:
pre-launch: CBSIFTCB
Controls
Ballast
Straps
Instruments
Flaps
Trim
Canopy
Brakes
(then cable checks, all clear above & behind, all clear ahead)
and for pre-landing UFSTALL
Undercarriage
Flaps
Speed
Trim
Airbrakes (unlocked)
Landing zone (clear)
Lookout