10 fatalities

Aviation Accident at La Vertiente Airport (CP-1635)

La Vertiente, BoliviaTakeoff (climb)

On December 12, 1997, a Swearingen SA226 Metro II (registration CP-1635) operated by Servicios y Transportes Aéreos Petroleros - STAP was involved in an aviation accident near La Vertiente, Bolivia during takeoff. 10 people were killed. Investigators recorded the probable cause as: Loss of engine power for undetermined reasons. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 2 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Source recordUpdated 2026-09-03Data APIEditorial standards

A charter aircraft lost both engines after takeoff from La Vertiente Airport, crashed into trees and a field, killing 10 people and injuring 9 others.

Incident Overview Following takeoff from runway 01/19 at La Vertiente Airport, the aircraft experienced a complete loss of power in both engines. The aircraft subsequently lost altitude, struck trees, and crashed in a field approximately 300 meters beyond the runway end. The accident resulted in the deaths of one crew member and nine passengers, while nine other occupants sustained injuries. ## Operational Context At the time of the accident, the aircraft was operating a charter flight to Santa Cruz-Viru Viru Airport on behalf of Servicios Aéreos Vargas de España (SAVE). The passengers were employees of the Tesoro Bolivia Petroleum Company, which is based in San Antonio, Texas. ## Official Findings The official investigation determined that the probable cause of the accident was the loss of engine power for undetermined reasons.

Frequently asked questions

What happened in the 12 Dec 1997 Swearingen SA226 Metro II accident near La Vertiente, Bolivia?

A charter aircraft lost both engines after takeoff from La Vertiente Airport, crashed into trees and a field, killing 10 people and injuring 9 others.

Were there any fatalities in the 12 Dec 1997 Swearingen SA226 Metro II accident?

The accident was fatal, resulting in 10 fatalities.

What aircraft was involved and where did it happen?

The accident on 12 Dec 1997 involved a Swearingen SA226 Metro II, registration CP-1635, operated by Servicios y Transportes Aéreos Petroleros - STAP, at La Vertiente, Bolivia.

What was the probable cause of the accident?

Loss of engine power for undetermined reasons