Accident
Last updated: 25 October 2014
Status:
Datum:Sonntag 9 August 1970
Zeit:14:55
Flugzeugtyp:Lockheed L-188A Electra
Fluggesellschaft:Lineas Aéreas Nacionales S.A. - LANSA
Kennzeichen: OB-R-939
Werknummer: 1106
Baujahr: 1959
Besatzung:Todesopfer: 7 / Insassen: 8
Fluggäste:Todesopfer: 92 / Insassen: 92
Gesamt:Todesopfer: 99 / Insassen: 100
Opfer am Boden:Todesopfer: 2
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:ca 4 km E of Cuzco Airport (CUZ) (   Peru) show on map
Flugphase: Anfangssteigflug (ICL)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Cuzco-Velazco Astete Airport (CUZ/SPZO), Peru
Flug nach:Lima-Jorge Chavez International Airport (LIM/SPIM), Peru
Flugnummer: 502
Unfallbericht:
LANSA Flight 502 from Cuzco to Lima, was originally scheduled to depart Cuzco at 08:30. Departure time was postponed to 14:45.
During the take-off run, which was 700m longer than normal, the no. 3 engine failed. The aircraft continued to climb at a speed of V2+15 knots. After retracting the flaps at 300 feet, the Electra turned left at a speed of 140 knots with a bank angle of 30-45 degrees. The aircraft contacted the ground during this turn and crashed. Two farmers were killed on the ground.


The Peruvian government investigated the accident, and in its final report concluded that the probable cause of the accident was the improper execution of engine-out procedures by the flight crew, with contributing factors of improper loading of the aircraft and improper maintenance procedures by company personnel.

Informationsquelle:
» AUGUST 9, 1970 crash pages


Sicherheitsempfehlungen
There was evidence of a coverup and falsification of critical maintenance records by LANSA employees during the investigation process. The Peruvian government subsequently fined LANSA and some of its employees, and suspended the airline's operating license for 90 days as a consequence.

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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Cuzco-Velazco Astete Airport to Lima-Jorge Chavez International Airport as the crow flies is 584 km (365 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Lockheed L-188

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