NASA Procedures and Guidelines

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NPR 7123.1B

Eff. Date: April 18, 2013

Cancellation Date:

NASA Systems Engineering Processes and Requirements (Updated w/Change 4)

| TOC | ChangeHistory | Preface | Chapter1 | Chapter2 | Chapter3 | Chapter4 | Chapter5 | Chapter6 | AppendixA | AppendixB | AppendixC | AppendixD | AppendixE | AppendixF | AppendixG | AppendixH | AppendixI | AppendixJ | ALL |

Change History

NPR 7123.1B, NASA Systems Engineering Processes and Requirements

Chg #	Date	Description/Comments
1	03/07/14	Appendix E - Replaced Technology Readiness Level (TRL) definition table with TRL definition table that was in NPR 7120.8, Appendix J.
2	05/27/14	Editorial changes to the definitions in Appendix A, Appendix E, TRL 6 Definition: System/sub-system model or prototype demonstration in a an operational relevant environment, updates to figures and text in Appendix C and Table G-2
3	4/13/15	Changes made to Chapter 5, Appendix G - updated Figure 5-2-NASA Tightly Coupled Program Life Cycle and Figure C-10-Product Transition Process to NPR 7120.5E version, Appendix I, added NPD 8081.1, NASA Chemical Rocket Propulsion Testing, Chapter 5, appendices - revised notes on life-cycle figures and made editorial and formatting corrections in appendices including the definition of Entrance Criteria.
4	10/23/17	Update with 1400 compliance, changes to Appendix G to add spectrum management guidance products

| TOC | ChangeHistory | Preface | Chapter1 | Chapter2 | Chapter3 | Chapter4 | Chapter5 | Chapter6 | AppendixA | AppendixB | AppendixC | AppendixD | AppendixE | AppendixF | AppendixG | AppendixH | AppendixI | AppendixJ | ALL |

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This Document is Obsolete and Is No Longer Used.
Check the NODIS Library to access the current version:
http://nodis3.gsfc.nasa.gov