Safety Assessment (ARP4761) Skill

SkillDev tools

Skill for structured safety assessment following ARP4761 guidelines

Instructions available. Your AI can read the instructions. Execution depends on the setup they require.

Account requirements not reviewed. Check the skill instructions before use; ahel provides instructions and does not run this skill.

Add ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.

Then ask your AI: use the Safety Assessment (ARP4761) Skill skill

What this skill tells your AI

The instructions your AI receives, as published by a5c-ai/babysitter in library/specializations/domains/science/aerospace-engineering/skills/safety-assessment/SKILL.md and read by ahel’s review.

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

Signals

GitHub stars: 2k
Forks: 112
Last commit: Sep 2026

Advanced

Item type: skill
Key: safety-assessment
Source: github.com/a5c-ai/babysitter

github.com/a5c-ai/babysitter