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

Appendix E. Assurance Implementation Matrix

E.1 This Assurance Implementation Matrix is used by projects to document their planned implementation consistent with the mission or instrument risk classification(s) and SMA objectives in Appendix D.

E.2 Mission Directorates may choose to invoke a MAR document on a program or project that serves as the baseline set of mission assurance requirements. If the OSMA has concurred with the Mission Directorate’s determination to invoke their MAR on a program or project, programs or projects achieve compliance with the invoked Mission Directorate MAR (e.g., SMD Standard Mission Assurance Requirements Payload Classification: D) in lieu of establishing a Assurance Implementation. Matrix.

E.3 Instructions for completing each column of the Assurance Implementation Matrix are as follows:

a. NPR 8705.4 Risk Tolerance Class Objectives and Approved Standards: Include the objectives and accepted standards provided in Appendix D corresponding with the risk tolerance class designated to associated mission or instrument.

b. Objective Satisfied (Y/N): Provide a “Yes” or “No” answer to whether the project plans to satisfy the corresponding objective provided.

c. Project Implementation: Document the project-specific implementation to satisfy the corresponding objective provided , including any approaches provided in the associated NASA-accepted standard(s).

d. Alternate Approaches and Standards: Include details for any alternate approaches or standards proposed and the related project-specific implementation to satisfy the corresponding objective provided.

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