Prevention bulletin 2026/1 aviation

The Swiss Transportation Safety Investigation Board (STSB) is publishing the prevention bulletin 2026/1 aviation.Prevention bulletins contain useful information in accordance with Art. 56 OSITI for the prevention of accidents and serious incidents. They were obtained as part of preliminary investigations into incidents for which an investigation is not opened for reasons of efficiency. The Prevention Bulletins are compiled in chronological order and include those incidents for which a preliminary investigation was completed by the end of the respective quarter. The information does not claim to be complete, is anonymised and is designed to contribute to the safety awareness of the public concerned.The German versions of the prevention bulletins are the originals and therefore authoritative.