Scope ............................................................................................................................................................ 1-1

1.2

Equipment Description................................................................................................................................... 1-2

1.3

Definitions and Abbreviations ........................................................................................................................ 1-3

1.4

ADS-B Capabilities ......................................................................................................................................... 1-4

1.4.1

ADS-B Out .............................................................................................................................................. 1-4

1.4.2

ADS-B In ................................................................................................................................................. 1-4

1.4.3

Installation Approval for ADS-B Systems .................................................................................................. 1-4

1.5

FIS-B Capabilities ........................................................................................................................................... 1-5

1.6

TIS System Capabilities................................................................................................................................... 1-5

1.7

Interface Summary......................................................................................................................................... 1-6

1.8

General Specifications.................................................................................................................................... 1-8

1.9

Transponder Specifications .......................................................................................................................... 1-10

1.10 UAT Receiver Specifications (GTX 345 Only)................................................................................................. 1-11

1.11 1090 MHz Receiver Specifications................................................................................................................ 1-11

1.12 GPS Specifications (Units with Internal GPS Only) ......................................................................................... 1-11

1.13 Power Specifications .................................................................................................................................... 1-12

1.14 Certification................................................................................................................................................. 1-13

1.14.1 Non-TSO Functions................................................................................................................................ 1-15

1.14.2 Design Assurance Levels ........................................................................................................................ 1-15

1.14.3 Transmitter Grant of Equipment Authorization ...................................................................................... 1-16

1.15 License Requirements .................................................................................................................................. 1-16

1.16 Reference Documents.................................................................................................................................. 1-17

1.1

Scope

NOTE

Garmin recommends installation of the GTX 3X5 by a Garmin-authorized installer. Garmin will not be

liable for damages that result from improper or negligent installation of the GTX 3X5 to the extent

permitted by law.

Mechanical and electrical information to install the GTX 3X5 into an aircraft is provided in this manual. It is not

equivalent to an approved airframe-specific maintenance manual, installation design drawing, or installation data

package. The content of this manual assumes use by competent and qualified avionics engineering personnel and/or

avionics installation specialist using standard maintenance procedures in accordance with Title 14 of the Code of

Federal Regulation and other related accepted procedures.

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