There are 33 Waco ASO 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 1927 and 1931.
N11253
1931 Waco ASO
Frankfort, KY
N119Y
1930 Waco ASO
Cincinnati, OH
N268M
1929 Waco ASO
Zanesville, OH
N604N
1929 Waco ASO
Springville, NY
N608N
1929 Waco ASO
Auburn, ME
N6940
1929 Waco ASO
N763E
1929 Waco ASO
Fairfield, OH
N768K
1929 Waco ASO
Dixie, ID
N931H
1929 Waco ASO
Poplar Grove, IL
N10001
1928 Waco ASO
Lakeland, FL
N4902
1928 Waco ASO
Poplar Grove, IL
N5785
1928 Waco ASO
Fresno, CA
N7091
1928 Waco ASO
Daytona Beach, FL
N9500
1928 Waco ASO
Sanford, NC
N9503
1928 Waco ASO
Carthage, MO
N9541
1928 Waco ASO
Carthage, MO
N1826
1927 Waco ASO
Sonoma, CA
N4W
Waco ASO
Camas, WA
N5020
Waco ASO
Sonoma, CA
N625N
Waco ASO
Oro Valley, AZ
N662N
Waco ASO
Trotwood, OH
N662Y
Waco ASO
Ranger, TX
N699K
Waco ASO
Oro Valley, AZ
N701E
Waco ASO
Gilroy, CA
N709E
Waco ASO
Hallettsville, TX
N766E
Waco ASO
Falls Church, VA
N766K
Waco ASO
Guthrie, OK
N775K
Waco ASO
Guthrie, OK
N8369
Waco ASO
Oro Valley, AZ
N8540
Waco ASO
Oro Valley, AZ
N9504
Waco ASO
Baldwin Park, CA
N9534
Waco ASO
Oro Valley, AZ
N9538
Waco ASO
Springville, NY