Flyer flier
Welcome! Keeping a civil aircraft there had been done before. In 1973 2 navs on 30 were doing PPLs at Staverton Flying Club, myself and Al Moffatt. I was hopeless and chucked it in, but Al M kept going and eventually became an airline pilot. His story is interesting but this is probably not the place for it!
I digress - the flying club had an old Cessna 150 for sale and it was bought by Al,"Benny' Hill ( also a nav on 30 ) and a Wing Pilot, Abe Lincoln ( RIP ). They obtained permission to keep it at Lyneham and I believe Abe gave them both private tuition.
I'm not sure how long it was there, as Al resigned and left in the summer of '74 and Abe left in the big exodus in '76.