There are 3 Soko Factory Yogoslavia TYPE 522 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.
N121DV
1957 Soko Factory Yogoslavia TYPE 522
Ocala, FL
N177FT
Soko Factory Yogoslavia TYPE 522
Vineburg, CA
N210TU
Soko Factory Yogoslavia TYPE 522
Prescott, AZ