Aircraft disappearance in Ayacucho region

4 fatalities • Ayacucho, Peru • Flight

A twin-engine aircraft disappeared while flying through severe weather in the Ayacucho region, with wreckage later discovered by hikers.

What happened

During a flight through adverse meteorological conditions, a twin engine aircraft collided with a mountainside in the Ayacucho region. The flight was unable to reach its intended destination, prompting the immediate launch of search and rescue operations. Despite these efforts, the search was officially halted a few days after the disappearance because no evidence of the aircraft or its occupants could be located.

It was not until 28 August 1990 that the wreckage was identified. The debris was located by hikers traveling through a remote and isolated area of the mountains. No information regarding the total number of fatalities or survivors was immediately available from the initial disappearance report.

Findings

  • The aircraft struck a mountain slope during its cruise phase.
  • Severe weather conditions were present at the time of the impact.

Probable cause

The aircraft struck a mountain slope while operating in poor weather conditions.

Frequently asked questions

What happened in the 1990-06-01 Cessna 402 accident near Ayacucho, Peru?

A twin-engine aircraft disappeared while flying through severe weather in the Ayacucho region, with wreckage later discovered by hikers.

Were there any fatalities in the 1990-06-01 Cessna 402 accident?

The accident was fatal, resulting in 4 fatalities.

What aircraft was involved and where did it happen?

The accident on 1990-06-01 involved a Cessna 402, registration OB-1318, operated by Aero Sur, at Ayacucho, Peru.

What was the probable cause of the accident?

The aircraft struck a mountain slope while operating in poor weather conditions.

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