There are 17 Waco CTO 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 1929 and 1941.
N763K
1941 Waco CTO
Wilmington, DE
N280W
1932 Waco CTO
Ellsinore, MO
N655N
1930 Waco CTO
Kalispell, MT
N666N
1930 Waco CTO
Kalispell, MT
N844V
1930 Waco CTO
Lake Wales, FL
N845V
1930 Waco CTO
Milwaukee, WI
N21R
1929 Waco CTO
Wilmington, DE
N610N
1929 Waco CTO
Vero Beach, FL
N613N
1929 Waco CTO
Union City, TN
N657N
1929 Waco CTO
Sheridan, WY
N949H
1929 Waco CTO
American Canyon, CA
N9577H
1929 Waco CTO
Lebanon, IN
N29TW
Waco CTO
Kalispell, MT
N515M
Waco CTO
Kankakee, IL
N7446
Waco CTO
Sonoma, CA
N744H
Waco CTO
Breckenridge, TX
N8584
Waco CTO
Racine, WI