It is envisaged RAF Air Cadets will use the completed Sting S4 for flying training, once it has been certified to fly by the Light Aircraft Association (LAA) and No. 2 Flying Training School (FTS).
aircadetsni.org.uk :: Royal Air Force Cadets, Northern Ireland » RAF Air Cadets build a Sting S4
'Envisaged' seems rather non-commital but we'll see what happens. The S4 is quite a performant little machine, slippier and faster than a Bulldog but with a much lower stalling speed ( 34 kts says the Interweb ).