There are 6 Boeing-Vertol 234 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 1981 and 1983.
N242CH
1983 Boeing-Vertol 234
Aurora, OR
N245CH
1983 Boeing-Vertol 234
Aurora, OR
N237CH
1982 Boeing-Vertol 234
Salt Lake City, UT
N238CH
1981 Boeing-Vertol 234
Salt Lake City, UT
N239CH
1981 Boeing-Vertol 234
Aurora, OR
N249CH
Boeing-Vertol 234
Aurora, OR