De Havilland DH.4 crash, Nov 17, 1921, Fort Sill-Henry Po...
De Havilland DH.4 accident on November 17, 1921 near Fort Sill-Henry Post Field AFB Oklahoma, United States with no fatalities.
- Date: November 17, 1921
- Aircraft: De Havilland DH.4
- Location: Fort Sill-Henry Post Field AFB Oklahoma, United States
- Fatalities: 0
- Phase of flight: Approach and landing
A United States Army Air Service De Havilland DH.4, serial AS-63455, crashed on landing at Fort Sill, Oklahoma, on 17 November 1921. The crew fate is unknown.