De Havilland DHC-6 Twin Otter crash, Dec 19, 1979 (4 killed)
De Havilland DHC-6 Twin Otter accident on December 19, 1979 near Oroque Norte de Santander, Colombia with 4 fatalities.
- Date: December 19, 1979
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: Oroque Norte de Santander, Colombia
- Fatalities: 4
- Phase of flight: En route
A Twin Otter 300 operated by Anson Drilling Company was flying under visual flight rules from Barranquilla to Cucuta. Weather deteriorated en route and at 11,500 feet the aircraft struck a mountain slope near Oroque. The wreckage was found three days later and all four occupants were killed.