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Evaluation of System-Theoretic Process Analysis (STPA) for Improving Aviation Safety
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2024-07-01
[PDF-966.40 KB]
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Abstract:This report summarizes the results of a joint effort by civil aviation authorities to learn System-Theoretic Process Analysis (STPA) and evaluate its applicability to aviation safety including safety management, aircraft development, safety assessment, and certification. Subject matter experts (SMEs) from FAA, EASA, ANAC, ICAO, and NASA participated to investigate STPA’s capabilities, existing STPA uses in industry, STPA results and findings that have been produced by industry, and how the STPA method and its capabilities compare to current approaches and recent accidents, including 737MAX. The SMEs explored STPA during a series of technical interchange meetings, workshops, and hands-on projects where participants reviewed STPA and applied the methodology to real systems. The SMEs from these agencies identified STPA benefits, limitations, and applicability for use by both regulatory authorities and industry. The findings are summarized in this report.
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