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Standards Coverage

Learn how ARP 4761, ARP 4754A, DO-178C, DO-254, and DO-326A shape the solution’s architecture.

Safety Assessment

Understand hazard identification, failure analysis, and the ARP 4761 safety assessment cascade.

Data Model

Discover work item types, field definitions, and the V-Model traceability chain.

Hierarchies & Relationships

Learn system decomposition, failure modes, and risk controls across the product.

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Core Concepts

Aerospace Safety Solution Overview — The product’s role in aerospace functional safety workflows and standards alignment. ARP 4761 Safety Assessment Coverage — Functional hazard assessment, preliminary system safety assessment, and system safety assessment methods. ARP 4754A System Development Assurance — Requirements decomposition, design assurance planning, and verification/validation across the V-Model. DO-178C Software Airworthiness — Software development assurance levels (DALs) and their mapping to system criticality. DO-254 Hardware Design Assurance — Hardware design control processes and design assurance level alignment. DO-326A Airborne Security — Security threat assessment and mitigation strategies for airborne systems.

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Data Structures & Classification

Data Model and Work Item Types — The complete set of Polarion work item types, custom fields, and data relationships. Design Assurance Level (DAL) Classification — How failure conditions and functional requirements map to assurance levels A–E. Failure Condition and Failure Mode Hierarchy — Safety requirements, failure conditions, failure modes, and their interconnections. System Element Hierarchy — System decomposition from aircraft down to components and their traceability. Risk Control Hierarchy — Mitigation actions, controls, and their verification against safety requirements.

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Lifecycle & Traceability

V-Model Traceability Chain — End-to-end requirements flow from aircraft functions through software and hardware implementation. Risk Document Lifecycle — Functional hazard assessments, preliminary and system safety assessments, and approval workflows.
If you’re new to the Aerospace Safety Solution, begin with Aerospace Safety Solution Overview to understand the standards landscape and product architecture. Then explore specific standards or data structures based on your role.