A Waco 9 was flown in the 1926 Ford National Reliability Air Tour.

[2] The Model 9 was the first aircraft type to be fitted with aluminum floats (by the EDO Corporation in 1928).

A Waco 9, C116, "Miss McKeesport" is a part of the Ohio History Connection permanent collection.

The airplane is currently on loan to the WACO Air Museum in Troy, Ohio.

[4] A Waco 9, C218, is on display at the Western Antique Aeroplane & Automobile Museum located in Hood River, Oregon.