De Havilland DH.4 crash, Sep 22, 1921, Chickasha Oklahoma
De Havilland DH.4 accident on September 22, 1921 near Chickasha Oklahoma, United States with no fatalities.
- Date: September 22, 1921
- Aircraft: De Havilland DH.4
- Location: Chickasha Oklahoma, United States
- Fatalities: 0
- Phase of flight: En route
A United States Army Air Service De Havilland DH.4, serial AS-63567, crashed near Chickasha, Oklahoma, on 22 September 1921. The circumstances are not known.