NASA Procedural Requirements

NPR 8705.4A Effective Date: April 29, 2021 Expiration Date: April 29, 2026

Subject: Risk Classification for NASA Payloads

Responsible Office: Office of Safety and Mission Assurance

Table of Contents

Preface

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

Chapter 1. Introduction

1.1 Overview
1.2 Risk Acceptance for NASA Missions and Instruments
1.3 Delegation of Responsibilities
1.4 Request for Relief

Chapter 2. Roles and Responsibilities

2.1 Mission Directorate Associate Administrator
2.2 NASA Project Manager
2.3 The Chief, Safety and Mission Assurance
2.4 Project-Level SMA Technical Authority

Chapter 3. Risk Classification Process and Related SMA Implementation

3.1 NASA Mission and Instrument Risk Classification
3.2 Project-Specific Implementation of the Mission or Instrument Risk Classification
3.3 General SMA Requirements

Appendix A. Definitions
Appendix B. Acronyms
Appendix C. Risk Classification Considerations for Class A - Class D NASA Missions and Instruments
Appendix D. Program and Project Safety and Mission Assurance Objectives for Class A - Class D
Appendix E. Assurance Implementation Matrix
Appendix F. References

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