N801PS is taken. It's currently assigned to a 2010 Czech Sport Aircraft As PIPER SPORT registered in Crystal, MN.
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.
N801PS has been worn before. Past registrations from FAA deregistration records:
Tails one nudge away from N801PS that aren't assigned or reserved: