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ARP-4761 ==> Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment
FDAL - function development assurance level
IDAL - Item development assurance level
ARP-4761 table of Contents: Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment
1 Scope
1.1 Purpose
1.2 intended Users
1.3 How To Use This Document
2. References
2.1 Applicable documents
2.1.1 SAE Publications
2.1.2 U.S Government Publications
2.1.3 FAR Publications
2.1.4 RTCA Publications
2.1.5 Other References
2.2 Definitions
2.3 Acronyms
3. Safety Assessment Process
3.1 Safety Assessment Overview
3.2 Functional Hazard Assessment (FHA)
3.3 Preliminary System Safety Assessment (PSSA)
3.4 System Safety Assessment (SSA)
3.5 Verification Means Used for Aircraft Certification
4. Safety Assessment Analysis Methods
4.1 Fault Tree Analysis/Dependence Diagrams/Markov Analysis (FTA/DD/MA)
4.1.1 Application of the FTA/DD/MA
4.1.2 Software in FTA/DD/MA
4.1.3 Average Exposure Time Probability
4.2 Failure Modes and Effects Analysis (FMEA)
4.3 Failure Modes and Effects Summary (FMES)
4.4 Common Cause Analysis (CCA)
4.4.1 Zonal Safety Analysis (ZSA)
4.4.2 Particular Risks Analysis (PRA)
4.4.3 Common Mode Analysis (CMA)
5. Safety Related Maintenance Tasks and Intervals
6. Time Limited Dispatch (TLD)
6.1 FADEC Application
Appendix A: 3.2 Functional Hazard Assessment (FHA)
Appendix B: Preliminary System Safety Assessment (PSSA)
Appendix C: System Safety Assessment (SSA)
Appendix D: Fault Tree Analysis (FTA)
Appendix E: Dependence Diagrams(DD)
Appendix F: Markov Analysis (MA)
Appendix G: Failure Modes and Effects Analysis (FMEA)
Appendix H: Failure Modes and Effects Summary (FMES)
Appendix I: Zonal Safety Analysis (ZSA)
Appendix J: Particular Risks Analysis (PRA)
Appendix K: Common Mode Analysis (CMA)
Appendix L: Contiguous Safety Assessment Process Example
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