De Havilland DHC-4 Caribou crash, May 10, 1966 (2 killed)
De Havilland DHC-4 Caribou accident on May 10, 1966 near Cai Cai Lào Cai Province, Vietnam with 2 fatalities.
- Date: May 10, 1966
- Aircraft: De Havilland DHC-4 Caribou
- Location: Cai Cai Lào Cai Province, Vietnam
- Fatalities: 2
- Phase of flight: En route
A de Havilland Caribou on a supply mission near Cai Cai Camp in Lao Cai Province, Vietnam, was dropping a load of rice when a bag became caught outside the aircraft. Control was lost and the aircraft crashed in an open field, killing two crew and injuring two others.