De Havilland DH.4 crash, Sep 1, 1919, Imperial Valley Cal...
De Havilland DH.4 accident on September 1, 1919 near Imperial Valley California, United States with no fatalities.
- Date: September 1, 1919
- Aircraft: De Havilland DH.4
- Location: Imperial Valley California, United States
- Fatalities: 0
- Phase of flight: En route