Bulldog at Compton Abbas has G RRRR. It is rumoured that ATCO's keep saying to him "Romeo, Romeo, wherefore art thou Romeo?"
OK, someone had to do it!
http://www.caa.co.uk/application.asp...regmark=G-RRRR
? FIXED-WING SELF-LAUNCHING MOTOR GLIDER ?
Maybe
G-GRRR or
G-GGRR