Cuzco - Lima

On August 9, 1970 at 02:55 PM, Cuzco - Lima experienced a crash involving Lockheed L-188 Electra, operated by LANSA Peru - Lineas Aéreas Nacionales del Peru, with the event recorded near Cuzco-Alejandro Velasco Astete Cuzco.

The flight was categorized as scheduled revenue flight and the reported phase was takeoff (climb) at a airport (less than 10 km from airport) crash site.

100 people were known to be on board, 101 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 101.0%.

Crew on board: 9, crew fatalities: 8, passengers on board: 91, passenger fatalities: 91, other fatalities: 2.

The listed crash cause is human factor. The airplane was departing Cuzco-Alejandro Velasco Astete Airport on a flight to Lima, carrying a crew of nine and 91 passengers, among them 49 US students who were returning to Lima following a visit of the Machu Picchu ruins. During the takeoff roll, which was 700 meters longer than normal, the engine number three failed. The takeoff procedure was continued as well as the initial climb at a speed of V2 + 15 knots. Once the altitude of 300 feet was reached, the flaps were retracted and at a speed of 140 knots, the aircraft turn left then banked left at an angle of 30-45°. Control was lost and the airplane crashed onto a hill located about 4 km east of the airport. The copilot survived while 99 other occupants and two people on the ground were killed.

Aircraft reference details include registration OB-R-939, MSN 1106, year of manufacture 1959.