There are 5 Protech Aircraft PT2 aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1992 and 2022.
N943YD
2022 Doughty Scott D PROTECH PT2
Barrington, NH
N246SB
2004 Beatty Steve PROTECH PT2C
Glendale, AZ
N657MJ
1992 Hayes James E PT 2 PROTECH
Vina, CA
N2119F
White P/Foelsch G PT-2
Liberal, KS
N7047G
Andrew L Toth PROTECH PT 2
Granbury, TX