Report of the Presidential Commission on the Space Shuttle Challenger Accident

(In compliance with Executive Order 12546 of February 3, 1986)

Table of Contents

Volume I - (PDF)

Preface...........................................1 Chapter I - Introduction......................................2 Chapter II - Events Leading Up to the Challenger Mission......10 Chapter III - The Accident.....................................19 Chapter IV - The Cause of the Accident........................40 Chapter V - The Contributing Cause of the Accident...........82 Chapter VI - An accident Rooted in History...................120 Chapter VII - The Silent Safety Program.......................152 Chapter VIII - Pressures on the System.........................164 Chapter IX - Other Safety Considerations.....................178 Recommendations.................................198 The Commission..................................202 The Staff.......................................204 Appendix A - Commission Activities...........................206 Appendix B - Commission Documentation System.................214 Appendix C - Observations Concerning the Processing And Assembly of Flight 51-l.........................219 Appendix D - Supporting Charts and Documents.................225

Volume II

Index Appendix E - Independent Test Team Report to the Commission Appendix F - Personal Observations on Reliability of Shuttle Appendix G - Human Factors Analysis Appendix H - Flight Readiness Review Treatment of O-ring Problems Appendix I - NASA Pre-Launch Activities Team Report Appendix J - NASA Mission Planning and Operations Team Report Appendix K - NASA Development and Production Team Report Appendix L - NASA Accident Analysis Team Report Appendix M - Comments by Morton Thiokol on NASA Report

Volume III

Index Appendix N - NASA Photo and TV Support Team Report Appendix O - NASA Search, Recovery and Reconstruction Task Force Team Report

Volume IV - (PDF)

Hearings of the Presidential Commission on the Space Shuttle Challenger Accident: February 6, 1986 to February 25, 1986

Volume V - (PDF)

Hearings of the Presidential Commission on the Space Shuttle Challenger Accident: February 26, 1986 to May 2, 1986.

Implementation Recommendations

Implementation of Recommendations of the Presidential Commission on the Space Shuttle Challenger Accident Appendix C - Strategy for Safely Returning the Space Shuttle to Flight Status Appendix D - Organization and Operation of the NSTS Program Appendix E - NASA Management Instruction on Space Flight Safety Panel Appendix G - NASA Management Instruction Roles and Responsibilities - SRM&QA