De Havilland DH.4 crash, Feb 4, 1921, Martinsville Indiana
De Havilland DH.4 accident on February 4, 1921 near Martinsville Indiana, United States with no fatalities.
- Date: February 4, 1921
- Aircraft: De Havilland DH.4
- Location: Martinsville Indiana, United States
- Fatalities: 0
- Phase of flight: Approach and landing
A US Army Air Service DH 4, serial AS-63709, crashed on landing at Martinsville, Indiana, on 4 February 1921. The aircraft was on a military flight.