De Havilland DH.4 crash, Dec 4, 1920, Fort Sill-Henry Pos...
De Havilland DH.4 accident on December 4, 1920 near Fort Sill-Henry Post Field AFB Oklahoma, United States with no fatalities.
- Date: December 4, 1920
- Aircraft: De Havilland DH.4
- Location: Fort Sill-Henry Post Field AFB Oklahoma, United States
- Fatalities: 0
A United States Army Air Service De Havilland DH.4 crashed near Fort Sill, Oklahoma, on 4 December 1920.