2 fatalities

Swiss Investigation into Piper PA-28 Accident

Chatel-St-Denis, Switzerland

On January 22, 2020, a PIPER PA28 181 operated by Air-Fribourg Services SA was involved in an aviation accident near Chatel-St-Denis, Switzerland. 2 people were killed. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

The Swiss government notified the NTSB of a January 2020 Piper PA-28 accident. The NTSB appointed a representative to assist under ICAO Annex 13, with all findings released by Switzerland.

Incident Notification

On January 22, 2020, an accident involving a Piper PA-28 aircraft occurred within the jurisdiction of Switzerland. In accordance with international aviation safety protocols, the government of Switzerland formally notified the National Transportation Safety Board (NTSB) regarding this event.

International Cooperation

To facilitate the inquiry, the NTSB designated a U.S. Accredited Representative to support the lead investigation conducted by Swiss authorities. This collaboration is executed under the specific provisions outlined in ICAO Annex 13, which governs the international cooperation framework for civil aviation accident investigations.

Information Release

The government of Switzerland retains full authority over the dissemination of investigative data. Consequently, all official reports and findings related to this incident will be published exclusively by Swiss regulatory bodies.