BEA - Office of Investigations and Analysis for Civil Aviation Safety of the French Republic

10/04/2024 | Press release | Distributed by Public on 10/04/2024 11:30

Serious incident to the Airbus A330 registered HB-JHI operated by Swiss on 13/09/2024 at Zurich

Serious incident to the Airbus A330 registered HB-JHI operated by Swiss on 13/09/2024 at Zurich

Problème de pressurisation pendant la montée, demi-tour

Responsible entity

Switzerland - AAIB

Preliminary data based on the notification from the Swiss authorities :

During climb, the maximum cabin pressure altitude was exceeded, whereupon the flight crew donned the oxygen masks and performed an emergency descent. After about an hour of flight time, the aircraft landed back in Zurich.

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General information
Local date 13/09/2024
Responsible entity Switzerland - AAIB
State or area of occurrence Switzerland
Location Depuis AD Zurich
Human consequences None
Aircraft consequences None
Occurrence class Serious incident
File number BEA2024-0405
Flight Information
Aircraft category Aeroplane - Large aeroplane
Operator Switzerland - Swiss International Air Lines Ltd
Manufacturer / Model AIRBUS - A330
Aircraft Registration HB-JHI
State of registry Switzerland
Last departure point Switzerland - LSZH (ZRH): Zurich
Planned destination United States of America - KEWR (EWR) [EWR]Newark,Nj/Newark Liberty Intl
Flight phase En route
Serial number 1181
Operator Type AG
Operation Type Commercial Air Transport - Passenger - Airline

BEA is the French air safety investigation authority for civil aviation. The sole objective of the investigation is to improve air safety. It is intended neither to apportion blame nor to assess responsiblity.