Engine failure during test flight leads to emergency landing

No fatalities • San Juan Ranch, Bolivia • Takeoff (climb)

An aircraft performing a post-maintenance test flight experienced a left engine failure during climb, resulting in an emergency landing in a swamp.

What happened

During a local flight intended to test the performance of an aircraft following the replacement of its right engine, the crew encountered significant mechanical issues. Shortly after departing, while the aircraft was in its initial climb phase, the left engine suffered a loss of power accompanied by visible smoke.

In response to the engine failure, the crew attempted to return to the airfield. However, the loss of power made it impossible to sustain a safe altitude. To avoid a more catastrophic descent, the pilot executed an emergency landing maneuver. The aircraft subsequently impacted a swampy region located near the airport. While the aircraft sustained damage beyond repair, all three occupants managed to exit the wreckage without any injuries.

Findings

  • The flight was being conducted as a functional test following maintenance on the right engine.
  • The primary issue was a loss of power and smoke emission from the left engine during the climb phase.

Probable cause

The left engine failed and produced smoke during the initial climb following engine maintenance.

Frequently asked questions

What happened in the 1992-11-02 Douglas C-47 Skytrain (DC-3) accident near San Juan Ranch, Bolivia?

An aircraft performing a post-maintenance test flight experienced a left engine failure during climb, resulting in an emergency landing in a swamp.

Were there any fatalities in the 1992-11-02 Douglas C-47 Skytrain (DC-3) accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 1992-11-02 involved a Douglas C-47 Skytrain (DC-3), registration CP-1960, operated by Transportes Aéreos San Jorge, at San Juan Ranch, Bolivia.

What was the probable cause of the accident?

The left engine failed and produced smoke during the initial climb following engine maintenance.

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