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Aircraft Crash in Triengen After Aileron Detachment (HB-FAF)

Triengen, SwitzerlandFlight

On October 3, 1982, a Pilatus PC-6 (Porter & Turbo Porter) (registration HB-FAF) operated by Para-Sport-Club Triegen was involved in an aviation accident near Triengen, Switzerland in flight. No fatalities were reported. Investigators recorded the probable cause as: In-flight detachment of the left ailerons caused by the failure of the aileron control cable that had previously been damaged for reasons that investigations were unable to determine. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary report: the Swiss Transportation Safety Investigation Board (STSB / SUST)Updated 2026-09-03Data APIEditorial standards

A single-engine aircraft carrying skydivers crashed into a house in Triengen after its left ailerons detached in flight. The pilot and one passenger ejected safely, with no injuries or casualties reported.

Incident Overview A single-engine aircraft departed Triengen Aerodrome for a local skydiving operation, carrying eight skydivers and one pilot. During the flight, seven of the skydivers exited the aircraft at an altitude of 3,000 meters. Following their egress, the left ailerons detached from the airframe. The pilot and the remaining passenger abandoned the aircraft, which subsequently entered a dive and impacted a residential structure in the village of Triengen. Both the aircraft and the house were destroyed in the crash. No injuries or fatalities were reported among the occupants or any other persons.

Probable cause

In-flight detachment of the left ailerons caused by the failure of the aileron control cable that had previously been damaged for reasons that investigations were unable to determine.

Frequently asked questions

What happened in the 3 Oct 1982 Pilatus PC-6 (Porter & Turbo Porter) accident near Triengen, Switzerland?

A single-engine aircraft carrying skydivers crashed into a house in Triengen after its left ailerons detached in flight. The pilot and one passenger ejected safely, with no injuries or casualties reported.

Were there any fatalities in the 3 Oct 1982 Pilatus PC-6 (Porter & Turbo Porter) accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 3 Oct 1982 involved a Pilatus PC-6 (Porter & Turbo Porter), registration HB-FAF, operated by Para-Sport-Club Triegen, at Triengen, Switzerland.

What was the probable cause of the accident?

In-flight detachment of the left ailerons caused by the failure of the aileron control cable that had previously been damaged for reasons that investigations were unable to determine.

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