There are 5 Waco YOC 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.
N14615
1935 Waco YOC
Montello, WI
N14684
1935 Waco YOC
Seneca, SC
N15211
1935 Waco YOC
Glen Allen, VA
N15244
1935 Waco YOC
New Hope, AL
N17740
1935 Waco YOC
Ellerbe, NC