FAA AC 20-145 : 2003

1 PURPOSE
2 RELATED DOCUMENTS
   a Code of Federal Regulations
   b FAA Technical Standard Orders (TSO)
   c FAA Policy Documents
   d FAA Advisory Circulars (AC)
   e RTCA, Inc. Documents
   f SAE Documents
3 DEFINITIONS
4 ACRONYMS
5 SCOPE
6 BACKGROUND
7 DOCUMENT OVERVIEW
8 IMA SYSTEM APPROVALS AND AUTHORIZATIONS
   a TSO-C153 Authorization
   b Functional TSO Authorization
   c Installation Approval
9 SAFETY ASSESSMENT PROCESS GUIDANCE
10 CONFIGURATION MANAGEMENT GUIDANCE
11 ELECTRONIC IDENTIFICATION GUIDANCE
12 SOFTWARE GUIDANCE
   a Software Assurance
   b Software Levels
   c Field-Loadable Software (FLS)
   d Partitioning and Protection
   e Software Reuse
13 ELECTRONIC HARDWARE GUIDANCE
14 IMA DESIGN GUIDANCE
   a Electrical Power for IMA Systems
   b Recovery Features
   c Built-In Test (BIT)
   d Maintenance Diagnostics
   e Failure Detection and Annunciation
   f Functional Partitioning
   g Functional Isolation
   h Intentional Transmitters
   i Visual and Aural Alerting
15 ENVIRONMENTAL QUALIFICATION GUIDANCE
Figure 15-1 RTCA/DO-160D Environmental Qualification
            Requirements
16 HUMAN FACTORS AND FLIGHT CREW INTERFACE GUIDANCE
   a Human Factors Background
   b Potential Human Factors and Flight Crew Interface
     Issues with IMA Systems
   c Testing Considerations for Human Factors and Flight
     Crew Interface Issues
   d Methods of Compliance with Controls Regulations
17 TESTING PRACTICES
   a IMA Hardware Element Testing
   b Individual System Testing
   c IMA System Integration Testing
   d Aircraft Ground Testing
   e Aircraft Flight Testing
   f Configuration Control During Flight Testing
18 ROLES AND RESPONSIBILITIES OF IMA SYSTEM APPLICANTS
   a TSO-C153 Applicant Roles and Responsibilities
   b Functional TSO Applicant Roles and Responsibilities
   c TC, STC, ATC, ASTC Applicant Roles and Responsibilities
19 ADDITIONAL GUIDANCE FOR THIRD-PARTY MANUFACTURERS
20 AIRWORTHINESS CONSIDERATIONS
   a Initial Installation
   b Follow-on Installations
   c Change Impact Analysis
   d Change Classification
21 MAINTENANCE AND CONTINUED AIRWORTHINESS GUIDANCE
   a Maintenance Instructions
   b Maintenance Diagnostics
   c Master Minimum Equipment List (MMEL)
APPENDIX 1 PARTIAL LIST OF FUNCTIONAL TSOs

Provides an acceptable means, but not the only means, to obtain Federal Aviation Administration's (FAA) airworthiness approval for the installation of an Integrated Modular Avionics (IMA) System that uses hardware elements authorized under Technical Standard Order (TSO)-C153, Integrated Modular Avionics Hardware Elements.