N7048G is taken. It's currently assigned to a 1969 Cessna 172K registered in Griffin, GA.
See the full aircraft record →A tail number only frees up if the owner deregisters the aircraft or moves it to a different N-number — and even then the FAA holds it before releasing it to the public.
N7048G has been worn before. Past registrations from FAA deregistration records:
Tails one nudge away from N7048G that aren't assigned or reserved: