There are 14 Waco BSO 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.
N752K
1929 Waco BSO
Springville, NY
N765K
1929 Waco BSO
Naperville, IL
N786K
1929 Waco BSO
Meridian, MS
N796E
1929 Waco BSO
Everett, WA
N861M
1929 Waco BSO
Burlington, ND
N940H
1929 Waco BSO
Lebanon, IN
N945H
1929 Waco BSO
Midland, VA
N261M
Waco BSO
Ellsinore, MO
N703K
Waco BSO
Oro Valley, AZ
N704K
Waco BSO
Oro Valley, AZ
N751K
Waco BSO
Oro Valley, AZ
N8543
Waco BSO
Hood River, OR
N958H
Waco BSO
Oro Valley, AZ
N959H
Waco BSO
Oro Valley, AZ