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NPR 8621.1C
Effective Date: May 19, 2016
Expiration Date: May 19, 2021

(NASA Only)

Subject: NASA Procedural Requirements for Mishap and Close Call Reporting, Investigating, and Recordkeeping

Responsible Office: Office of Safety and Mission Assurance

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Table of Contents


P.1 Purpose
P.2 Applicablity
P.3 Authority
P.4 Applicable Documents and Forms
P.5 Measurement/Verfification
P.6 Cancellation

Chapter 1. Readiness to Conduct Investigations

1.1 NASA Mishap and Close Call Descriptions
1.2 Mishap Preparedness and Contingency Plans
1.3 Roles and Responsibilities
1.4 Training

Chapter 2. Mishap Response, Notification, and Classification

2.1 Initial Mishap Response
2.2 Initial Mishap Notifications
2.3 Aircraft Mishaps and Close Calls
2.4 Mishap or Close Call Classification
2.5 Post-Mishap Notifications

Chapter 3. Investigating Authority and Investigation Support Selection

3.1 Appointing Official Determination
3.2 Investigating Authority Member Selection
3.3 Investigating Authority Advisor Selection
3.4 Investigating Authority Consultant Selection
3.5 Appointment Letter Content

Chapter 4. Mishap Investigation Process

4.1 Mishap Investigation Analysis
4.2 Site Safety and Evidence Preservation and Impoundment
4.3 Evidence and Fact Gathering
4.4 Findings Determination
4.5 Recommendations Generation.
4.6 Status Reports
4.7 Other Investigation Types
4.8 Mishap Site Release

Chapter 5. Mishap Investigation Report

5.1 Mishap Investigation Report Development
5.2 Investigating Authority Release
5.3 Mishap Investigation Report Review, Endorsement, and Approval
5.4 Mishap Investigation Report Distribution

Chapter 6. Post-Investigation Activities

6.1 Corrective Action Plan Development
6.2 Corrective Action Plan Contents
6.3 Corrective Action Plan Review and Approval
6.4 Corrective Action Plan Implementation
6.5 Corrective Action Plan Monitoring and Close Out
6.6 Lessons Learned Development, Disposition, Submittal, and Approval
6.7 Investigation Activities Conclusion
6.8 Evidence Recording and Retention

Appendix A. Terms and Definitions
Appendix B. Acronyms
Appendix C. Test-Induced Damages
Appendix D. Mishap Required Training (Available Through SATERN)
Appendix E. Procedural Sequence for Mishap Notification and Investigation
Appendix F. Positional Sequence for Mishap Notification and Investigation
Appendix G. NASA Mishap Investigation Interface With External Mishap Investigation
Appendix H. Data Entry Elements and Recording Requirements
Appendix I. Endorsement Review Process Flow
Appendix J. References
Appendix K. Guidance for NASA Aircraft Mishap and Close Call Investigations (Reserved)
Appendix L. Guidance for NASA Spacecraft Mishap and Close Call Investigations (Reserved)
Appendix M. Guidance for Commercial Launch Mishap and Close Call Investigations (Reserved)


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