De Havilland DHC-6 Twin Otter crash, Aug 7, 1977 (6 killed)
De Havilland DHC-6 Twin Otter accident on August 7, 1977 near El Bolsón Río Negro, Argentina with 6 fatalities.
- Date: August 7, 1977
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: El Bolsón Río Negro, Argentina
- Fatalities: 6
- Phase of flight: Approach and landing
A Twin Otter of the Argentine state airline LADE, carrying the governor of Santa Cruz Province and his wife, was descending toward El Bolsón in poor weather. It struck the slope of Mt Paleta, and the wreckage was found four days later. All six occupants were killed.