safety-assessment

# Safety Assessment (ARP4761) Skill ## Purpose Enable structured safety assessment following ARP4761 guidelines including functional hazard assessment, fault tree analysis, and safety case development. ## Capabilities - Functional Hazard Assessment (FHA) - Preliminary System Safety Assessment (PSSA) - System Safety Assessment (SSA) - Fault Tree Analysis (FTA) construction - FMEA/FMECA development - Common Cause Analysis (CCA) - Particular risk analysis - Safety case documentation ## Usage Guidelines - Conduct FHA early in development to establish safety requirements - Develop PSSA to allocate safety requirements to system architecture - Perform detailed FMEA and FTA for critical systems - Identify and mitigate common cause failures - Document safety case with clear evidence linkage - Update safety assessment as design evolves ## Dependencies - Isograph - ReliaSoft - Safety assessment tools ## Process Integration - AE-022: Safety Assessment (ARP4761) - AE-021: Certification Planning