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Garmin GTX 320A User Manual

Garmin GTX 320A
43 pages
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190-00133-01 July, 2006 Revision M
GTX 320/320A
Transponder
Installation Manual
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Garmin GTX 320A Specifications

General IconGeneral
TypeTransponder
Frequency1090 MHz
Dimensions6.25"W x 1.3"H x 9.5"D (15.9 x 3.3 x 24.1 cm)
Weight2.2 lbs (1.0 kg)
InterfaceRS-232
Operating Temperature-20°C to +55°C
Transmit Power250 W
Power Output250 W

Summary

Information Subject to Export Control Laws

WARNING

1 GENERAL DESCRIPTION

1.1 Introduction

Provides installation and operating instructions for GTX 320/320A.

1.2 Equipment Description

Describes the GTX 320/320A transponder's function and capabilities.

1.3 Technical Specifications

Details electrical and performance specifications for the transponder.

1.3.1 Transponder Specifications

Lists the technical specifications for the transponder unit.

1.3.2 GTX 320 Physical Characteristics

Provides physical dimensions and weight for the GTX 320.

1.3.3 GTX 320A Physical Characteristics

Provides physical dimensions and weight for the GTX 320A.

1.4 Equipment Available

Lists available transponder models and associated part numbers.

1.4.1 Available Configurations

Details the different configurations and part numbers for the transponder.

1.4.2 Installation Accessories

Lists optional accessories required for installation.

1.5 Additional Equipment Required

Specifies necessary supplementary equipment for installation.

1.6 Installation Approval

Outlines requirements for FAA approval of aircraft installations.

1.7 ATC Transponder Tests and Inspections

Details testing procedures for ATC transponders per FAA regulations.

1.8 Limited Warranty

Describes the product warranty terms and conditions.

GTX 320 HARDWARE MOD LEVEL HISTORY

GTX 320A HARDWARE MOD LEVEL HISTORY

2 INSTALLATION OVERVIEW

2.1 Introduction

Introduces installation procedures and compliance with regulations.

2.2 Unpacking and Inspecting Equipment

Provides instructions for safely unpacking and inspecting the unit.

2.3 Antenna Installation

Covers antenna placement considerations and installation guidelines.

2.3.1 Location Considerations

Details optimal placement criteria for the transponder antenna.

2.3.2 Antenna Installation

Instructions for installing the antenna per manufacturer and FAA guidelines.

2.3.3 Installation Approval Considerations for Pressurized Aircraft

Addresses FAA approval for antenna installations on pressurized aircraft.

2.3.4 Antenna Cable Installation

Provides precautions for routing antenna cables.

2.3.5 Antenna Cable Connectors

Describes connector types and installation for antenna cables.

2.4 GTX 320/320A Installation

Details the physical installation process of the transponder unit into a rack.

2.5 Electrical Connections

Explains how to make electrical connections using the D-subminiature connector.

2.6 Check Existing Coax and Antenna Before Using a GTX 320/320A Adapter

Advises on checking existing installation components before adapter use.

2.7 Installation Using Existing Narco AT 150 Installation Rack

Describes installation using a Narco AT 150 rack with an adapter.

2.8 Installation Using Existing Bendix/King KT 76A/78A Installation Rack

Describes installation using a Bendix/King rack with an adapter.

3 POST INSTALLATION CONFIGURATION & CHECKOUT PROCEDURE

3.1 Aircraft Station Licensing Requirements

Details FCC licensing requirements for operating the transponder.

3.2 Operation

Explains the basic operation and controls of the transponder.

3.2.1 Function Selection Switches

Describes the five positions of the function selector switch.

3.2.2 Code Selection

Explains how to select identification codes and precautions.

3.2.3 IDENT Button

Details the function and use of the IDENT button.

3.2.4 Reply Light

Explains the function of the reply light indicator.

APPENDIX A CERTIFICATION DOCUMENTS

A.1 Continued Airworthiness

Provides guidance for continued airworthiness documentation.

1 Introduction

Defines the scope and purpose of the ICA document.

2 Description of the Alteration

Describes the transponder installation as a major alteration.

3 Control, Operation Information

Refers to the Pilot's Guide for control and operation details.

4 Servicing Information

States that servicing information is not applicable.

5 Maintenance Instructions

Specifies that maintenance is 'on condition' only.

6 Troubleshooting Information

Refers to Maintenance Manuals for troubleshooting.

7 Removal and Replacement Information

Refers to Section 2.4 for removal/reinstallation.

8 Diagrams

Refers to Appendix B for diagrams.

9 Special Inspection Requirements

States that no special inspection requirements exist.

10 Application of Protective Treatments

States that no protective treatments are applicable.

11 Data: Relative to Structural Fasteners

Refers to AC43.13 for fastener data.

12 Special Tools

States that no special tools are required.

13 Commuter Category Aircraft Specifics

Applies specific sections to commuter aircraft.

14 Overhaul Period

States no overhaul time limitations.

15 Airworthiness Limitation Section

States no airworthiness limitation section.

16 Revision

Describes the process for revising the ICA.

17 Assistance

Mentions resources for assistance with ICA.

A.2 Environmental Qualification Form (GTX 320)

Details the environmental tests conducted for the GTX 320.

A.3 Environmental Qualification Form (GTX 320A)

Details the environmental tests conducted for the GTX 320A.

APPENDIX B STC PERMISSION

APPENDIX C ASSEMBLY AND INSTALLATION DRAWINGS

C.1 GENERAL

Lists the available assembly and installation drawings.

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