What happened
During a period of marginal weather conditions, an aircraft was maintaining a cruising altitude of 15,500 feet when it collided with the side of Mt Choquetanga. The impact with the mountain slope resulted in the total destruction of the airframe. Following the accident, search efforts located the debris field in a remote and isolated region approximately three days after the event.
There were 74 fatalities recorded in the accident, with no survivors reported among the occupants.
Findings
Official investigations into the crash were unable to establish a definitive cause for the collision. However, investigators concluded that the accident was likely the result of controlled flight into terrain.