3 fatalities

2008-07-02: De Havilland DHC-6 Twin Otter (947) — Chilean Air Force - Fuerza Aérea de Chile — Cochamó, Chile

Cochamó, ChileFlight

On July 2, 2008, a De Havilland DHC-6 Twin Otter (registration 947) operated by Chilean Air Force - Fuerza Aérea de Chile was involved in an aviation accident near Cochamó, Chile in flight. 3 people were killed. Investigators recorded the probable cause as: The aircraft struck high-voltage powerline cables during its training flight. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 1781197356Data APIEditorial standards

A training flight involving a twin-engine aircraft ended in a fatal crash after striking high-voltage powerlines in Chile.

What happened

During a scheduled training mission, a twin-engine aircraft departed from the Puerto Montt-El Tepual airport. While performing the flight, the aircraft encountered and struck the cables of a high-voltage powerline carrying 23,000 volts. The impact caused the plane to descend into hilly terrain, where the wreckage subsequently caught fire.

There were three fatalities among the crew members on board. No other persons were reported injured in the accident.

Findings

  • The aircraft collided with 23,000 volt powerlines during the flight phase.
  • The subsequent crash into hilly terrain resulted in a post-impact fire.

Probable cause

The aircraft struck high-voltage powerline cables during its training flight.