De Havilland DH.4 crash, Jul 28, 1921, Honolulu Hawaii
De Havilland DH.4 accident on July 28, 1921 near Honolulu Hawaii, United States with no fatalities.
- Date: July 28, 1921
- Aircraft: De Havilland DH.4
- Location: Honolulu Hawaii, United States
- Fatalities: 0
- Phase of flight: En route
A United States Army Air Service De Havilland DH.4, serial AS-23190, crashed in the Kewalo Basin off Honolulu, Hawaii, on 28 July 1921. The crew fate is unknown.