De Havilland DH.4 crash, Jan 18, 1921, Fort Sill-Henry Po...
De Havilland DH.4 accident on January 18, 1921 near Fort Sill-Henry Post Field AFB Oklahoma, United States with no fatalities.
- Date: January 18, 1921
- Aircraft: De Havilland DH.4
- Location: Fort Sill-Henry Post Field AFB Oklahoma, United States
- Fatalities: 0
- Phase of flight: Takeoff and climb
A US Army Air Service DH 4, serial AS-68176, crashed shortly after takeoff from Fort Sill, Oklahoma, on 18 January 1921. No one was killed.