Modelling distributed crewing with STAMP.

Changes to crewing configurations in commercial airlines are likely to emerge as a means of reducing operating costs. To consider the safety implications for a distributed crewing configuration, System Theoretic Accident Model and Processes (STAMP) was applied to a rapid decompression hazard. High level control structures for current operations and distributed crewing are presented. The assumptions generated and additional steps to progress towards full System-Theoretic Process Analysis (STPA) analysis are discussed.