There are 3 Starduster II SA-300 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.
N23UT
1971 Starduster II SA-300
Fremont, OH
N272K
1971 Starduster II SA-300
Chetek, WI
N941DW
Starduster II SA-300
Oklahoma City, OK