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ATSB releases Australian study into depressurisation accidents and incidents
30 June 2006

The Australian ATSB published a study regarding depressurisation accidents and incidents involving Australian civil aircraft. The purpose of this study was to determine the prevalence and consequences of aircraft decompression events. The aim was to document the prevalence, nature, type, degree and extent of decompression events, as well as the consequences of such events, especially hypoxia and pressure-related medical effects. A total of 517 pressurisation failure events were found (two accidents, eight serious incidents and 507 incidents). Only one pressurisation failure event was fatal. Mechanical factors were responsible for the majority of pressurisation system failures (ATSB)