On Saturday, May 16, 2015 at 2:44:08 AM UTC-6, wrote:
Hmm, did anybody thought about accoustic gear warnings when deploying airbrakes in club gliders??
Or even more sophisticated "get the f... gear out before landing" voice warning???

just my 2ct.

;O)

I'd guess the overwhelming majority of gear-up incidents were gliders with gear warnings installed. It helps but it's not foolproof.