De Havilland DHC-6 Twin Otter crash, Feb 10, 1970 (5 killed)
De Havilland DHC-6 Twin Otter accident on February 10, 1970 near Groton Connecticut, United States with 5 fatalities.
- Date: February 10, 1970
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: Groton Connecticut, United States
- Fatalities: 5
- Phase of flight: Approach and landing
A Pilgrim Airlines Twin Otter on a scheduled service from Groton ran out of fuel after long holding and missed approaches in fog and rain. It ditched in Long Island Sound near Groton and all five people on board were lost.