Unless you are in the Air Cadets, you'll not get a flight- too expensive on insurance
AFAIK HMG does not pay for insurance in most situations - it's a self-insuring organisation.
Are you sure about the ATC bit? The RN runs 8 x Potential Officer Aircrew acquaint courses each year at each of CU and VL and there's not issue with getting them flying in whatever is available. The VL attendees get a full dunker course/run as well.