There are 4 Hughes OH-6 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 1967 and 1970.
N53BN
1970 Hughes OH-6
Shedd, OR
N5185N
1967 Hughes OH-6
Pensacola, FL
N5185B
Hughes OH-6
Cedar City, UT
N5187Y
Hughes OH-6
Cedar City, UT