There are 7 Hiller OH-23B 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 1943 and 1955.
N57893
1955 Hiller OH-23B
Reno, NV
N6057
1954 Hiller OH-23B
San Marcos, TX
N17129
1951 Hiller OH-23B
Cardington, OH
N67699
1951 Hiller OH-23B
Branchville, NJ
N5776
1943 Hiller OH-23B
Mineral Wells, TX
N6055
Hiller OH-23B
Florala, AL
N68364
Hiller OH-23B
Gallatin, TN