| LANSA Flight 501 | |
| Date: | 27 April 1966 |
| Type: | Controlled flight into terrain |
| Occurrence Type: | Accident |
| Site: | Mount Talaula, Tomas District, Peru |
| Passengers: | 43 |
| Crew: | 6 |
| Fatalities: | 49 |
| Survivors: | 0 |
| Aircraft Type: | Lockheed L-749A Constellation |
| Origin: | Jorge Chávez International Airport |
| Destination: | Alejandro Velasco Astete International Airport |
| Operator: | LANSA |
| Tail Number: | OB-R-771 |
LANSA Flight 501 was a domestic flight from Lima to Cusco operated by a Lockheed L-749 Constellation aircraft registration OB-R-771. On 27 April 1966 flight 501 crashed into a mountain side in Tomas District, killing all 49 on board.[1]
The plane radioed a distress call 10 minutes after takeoff. At least four Americans, two Swiss, one Canadian, three Germans and one Spaniard were on board. Three of the Americans were Peace Corps volunteers.[2] Also on the plane were three members of the University of Cuzco, including its rector, Jorge Chávez Chaparro.[3]