On February 14, 1979, a Rockwell Grand Commander 690 (registration OB-M-1031) operated by Southern Copper (Southern Peru) was involved in an aviation accident near Yauyos, Peru in flight. 5 people were killed. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).
A twin-engine aircraft crashed into a mountainside during a flight from Cuzco to Lima, resulting in no survivors.
What happened
During a scheduled flight traveling from Cuzco toward Lima, a twin engine airplane impacted the terrain of Mt Valla Punta. The accident occurred in the vicinity of Yauyos, situated approximately 130 km southeast of Lima.
At the time of the impact, the aircraft struck a slope on the mountain. There were five fatalities recorded following the crash, as all occupants on board the aircraft perished in the event.
Findings
No specific technical findings or contributing factors regarding the mechanical state of the aircraft or the actions of the crew were provided in the available report.