LANSA Flight 501

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.

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. Also on the plane were three members of the University of Cuzco, including its rector, Jorge Chávez Chaparro.