Traditionally, safety engineers have relied on text-/table-based solutions for the documentation of artifacts created during the development lifecycle. Having the developed artifacts separated in different documents leads to challenges such as maintaining traceability between these artifacts and developing a consistent safety case. With safeTbox, the common safety engineering activities like performing hazard analysis and risk assessment (HARA) and failure analysis, developing a safety concept, and using all created artifacts to form a proper safety case are integrated within one model repository. Additionally, safeTbox provides a system architecture modeling technique where failure models can be directly allocated to the system components. Allowing formal traceability to and from all engineering artifacts and following a modular modeling approach, safeTbox facilitates maintainability and reusability of model elements and enables the user to be more efficient.

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