De Havilland DH.4 crash, Feb 14, 1921, Telephone Canyon W...
De Havilland DH.4 accident on February 14, 1921 near Telephone Canyon Wyoming, United States with no fatalities.
- Date: February 14, 1921
- Aircraft: De Havilland DH.4
- Location: Telephone Canyon Wyoming, United States
- Fatalities: 0
- Phase of flight: En route
A US Air Mail Service DH 4 on a mail flight from Cheyenne to Salt Lake City crashed on a mountainside near Telephone Canyon, Wyoming, on 14 February 1921. The pilot was injured.