There are 3 Waco CUC-1 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.
N14679
1935 Waco CUC-1
Ringle, WI
N15205
1935 Waco CUC-1
Wolfeboro, NH
N15233
1935 Waco CUC-1
Bakersfield, CA