Legal foundations and agreements

The activty of the STSB is based on the following legal foundations and agreements:

• Agreement on cooperation between the Federal Office of Transport (FOT) and the Swiss Transportation Safety Investigation Board (STSB) (in German)
• Aviation Act (in German, French or Italian)
• Ordinanceon the Safety Investigation of Transport Incidents (OSITI)
• Railways Act (in German, French or Italian)
• Regulation (EU) No 996/2010

• Protocole de Coopération entre le Bureau d'Enquêtes sur les Accidents de Transport Terrestre (BEA-TT) et le Service suisse d'enquête de sécurité (SESE) (in French)

  PDF1.06 MB22 September 2022

• Explanatory Report on the OSITI (in French)

  PDF279.16 kB17 August 2026

• Agreement administrative with the Principality of Liechtenstein (in German)

  PDF65.01 kB28 May 2024