ASN Aircraft accident Curtiss CW-20 (C-46) CP-752 San Pedro Richard Airport
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Date:Tuesday 25 July 1972
Type:Silhouette image of generic C46 model; specific model in this crash may look slightly different
Curtiss CW-20 (C-46)
Operator:Transportes Aéreos Benianos - TABSA
Registration: CP-752
MSN: 22544
First flight: 1945
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 2
Total:Fatalities: 0 / Occupants: 4
Aircraft damage: Damaged beyond repair
Location:San Pedro Richard Airport (   Bolivia)
Phase: Takeoff (TOF)
Nature:Domestic Non Scheduled Passenger
Departure airport:San Pedro Richard Airport (SLZJ), Bolivia
Destination airport:La Paz-El Alto Airport (LPB/SLLP), Bolivia
The aircraft was taking off from San Pedro de Richard on a flight to La Paz, Bolivia. On reaching V2 speed the left propeller began to overspeed due to a faulty constant speed unit. Since the pilot in command could not cut out the engines because he was near the end of the runway, he decided to maintain the aircraft in flight attitude. The aircraft continued beyond the runway limits and ran into a dip in the terrain to the south of the runway. The violence of the impact against the left undercarriage and the fact that the left engine propeller struck the ground caused the left engine and undercarriage to be torn off. The aircraft skidded 80 metres further down before coming to a stop.


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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 San Pedro Richard Airport to La Paz-El Alto Airport as the crow flies is 548 km (342 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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