ARINC 668-1 : 2013

1.0 INTRODUCTION
1.1 Overview
1.2 Purpose of the Document
1.3 Reason for Revision
1.4 Scope
1.5 Related Documents
2.0 ROLES AND RESPONSIBILITIES
2.1 Introduction
2.2 Airline Operator
2.3 Airframe/Engine Manufacturer
2.4 Component Manufacturer
2.5 Repair Facilities
3.0 BASIS OF EQUIVALENCY
3.1 Introduction
3.2 TTE Categories
4.0 PROCESSES
4.1 Introduction
4.2 Equivalency Program Attributes
4.3 Process Attributes
4.4 TTE Equivalency Determination Process
5.0 EXAMPLES
5.1 Introduction
5.2 Appendix A - Mechanical Alignment Fixture
5.3 Appendix B - Avionics Test Equipment
5.4 Appendix C - Mechanical Test Fixture
ATTACHMENTS
ATTACHMENT 1 - GLOSSARY
ATTACHMENT 2 - ATTRIBUTES OF AN
               EQUIVALENCY PROGRAM
ATTACHMENT 3 - TOOLING AND TEST EQUIPMENT
               EQUIVALENCY DETERMINATION PROCESS
ATTACHMENT 4 - TOOLING AND TEST EQUIVALENCY
               DETERMINATION CHECKLIST
ATTACHMENT 5 - EXAMPLE TTE EQUIVALENCY
               CERTIFICATE
APPENDICES
APPENDIX A - EXAMPLE OF MECHANICAL
             ALIGNMENT FIXTURE
APPENDIX B - EXAMPLE OF AVIONICS TEST
             EQUIPMENT
APPENDIX C - EXAMPLE OF MECHANICAL
             TEST FIXTURE

The goals of ARINC 668 are: • To provide uniform guidance for airlines and repair stations in developing their processes and documentation for determining functional equivalency of TTE and related procedures used in maintaining aircraft and their associated components.