Safety Design for Space Systems

Chapter 5. Human Rating Concepts

Michael K. Saemisch

Lockheed Martin Space Systems Company, Denver, Colorado

Contents

5.1 Human Rating Defined 175

5.2 Human Rating Requirements and Approaches 179

This chapter addresses the concept of human rating as applied to space systems. As defined here, this process recently has become a formal process for NASA programs and, within the U.S. law, for non-NASA American operators. This now formal NASA process captures and consolidates the past successful practices of NASA for application in all future NASA programs.

Human rating is an encompassing effort that affects many aspects of a program, from its earliest phases and throughout its life. Technical human rating requirements drive the design of flight and ground ...