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ARP4761 Common Cause Analysis (CCA) Checklist

A comprehensive checklist for conducting Common Cause Analysis (CCA) on aircraft systems and components in compliance with SAE ARP4761 standard, focusing on common mode failures, cascade failures, and zonal safety analysis.

ARP4761 Common Cause Analysis (CCA) Checklist

by: audit-now
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About This Checklist

The ARP4761 Common Cause Analysis (CCA) Checklist is a crucial tool for aviation safety professionals conducting comprehensive assessments of potential common cause failures in aircraft systems. This checklist, aligned with the SAE ARP4761 standard, guides users through the process of identifying and evaluating common mode failures, cascade failures, and zonal safety analyses. By implementing this checklist, aerospace engineers and safety analysts can systematically assess the independence of aircraft systems and components, identify potential vulnerabilities, and develop robust strategies to mitigate common cause failures, ultimately enhancing the overall safety and reliability of aircraft designs.

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Industry

Aerospace and Defense

Standard

SAE ARP4761 - Safety Assessment Process

Workspaces

Aircraft Integration and Test Facility

Occupations

System Safety Engineer
Reliability Analyst
Aerospace Integration Engineer
Certification Specialist
Zonal Safety Analyst
1
Is there evidence that systems are designed to be independent to prevent common mode failures?
2
How many common mode failures have been identified?
Min: 0
Target: 0
Max: 100
3
Has a zonal safety analysis been completed for the aircraft systems?
4
Please provide any additional notes on the common cause analysis performed.
5
What is the assessed risk level for identified common cause failures?
6
When was the last common cause analysis conducted?
7
How many cascade failures have occurred in the past year?
Min: 0
Target: 0
Max: 50
8
What preventive measures have been implemented to address common cause failures?
9
Is all relevant documentation for common cause analysis complete and available?
10
Please provide remarks or comments regarding the documentation review.
11
Has the documentation been formally approved for the common cause analysis?
12
When was the last review of the common cause analysis documentation performed?
13
What is the current status of the action plan developed from the common cause analysis?
14
How many actions from the analysis have been successfully implemented?
Min: 0
Target: 0
Max: 100
15
What challenges have been faced during the implementation of the action plan?
16
When is the next review scheduled for the action plan status?
17
Have all relevant personnel completed training on common cause analysis?
18
Are the training materials for common cause analysis readily available?
19
Please provide feedback on the training program for common cause analysis.
20
When was the last training session conducted on common cause analysis?

FAQs

The main objective is to guide aviation safety professionals through a systematic process of identifying and evaluating common cause failures in aircraft systems, including common mode failures, cascade failures, and zonal safety issues, as required by the SAE ARP4761 standard.

The CCA checklist should be used throughout the aircraft development process, from preliminary design to final integration, and updated whenever significant system changes or modifications occur.

By ensuring a comprehensive CCA is conducted, this checklist helps demonstrate compliance with safety regulations and standards, providing essential data for the aircraft certification process.

Yes, the CCA checklist can be applied to both new aircraft designs and modifications to existing aircraft, helping assess the impact of design changes on system independence and potential common cause failures.

The CCA checklist complements other safety assessment processes such as Functional Hazard Assessment (FHA) and Fault Tree Analysis (FTA), focusing specifically on identifying and mitigating potential common cause failures across different systems and zones of the aircraft.

Benefits of ARP4761 Common Cause Analysis (CCA) Checklist

Ensures thorough identification of potential common cause failures

Facilitates comprehensive zonal safety analysis

Supports evaluation of system and component independence

Aids in compliance with SAE ARP4761 requirements for CCA

Enhances overall aircraft safety through improved failure mitigation strategies