Garmin GDL 69/69A Installation Manual - page 17
Installation Procedure
GDL 69/69A Installation Manual
Page 2-1
190-00355-02
Revision E
2 INSTALLATION
2.1 Introduction
This section provides hardware equipment information for installing the GDL 69/69A, cabling for the
XM antenna (GA 55, GA 55A, or GA 57), and related hardware. Installation of the GDL 69/69A should
follow the aircraft TC or STC requirements. For interconnects with the GDU 104x, MX20 MFD or
400/500 series refer to Appendix D of this manual. For installation information on the GDU 104x, MX20
MFD or 400/500 series, refer to their installation manuals.
Installation of the XM antennas is covered under separate Garmin GA Antenna AML STC.
2.2 Pre-Installation
Information
Always follow acceptable avionics installation practices per FAA Advisory Circulars (AC) 43.13-1B,
43.13-2A, or later FAA approved revisions of these documents.
Follow the installation procedure in this manual as it is presented for a successful installation. Read the
entire manual before beginning the procedure. Prior to installation, consider the structural integrity of the
GDL 69/69A installation as defined in AC 43.13-2A, Chapter 1 and evaluate the necessity for audio
suppression inputs in accordance with the GDL 69A Audio Limitations in Section 6. Perform the post
installation checkout before closing the work area in case problems occur.
Complete an electrical load analysis in accordance with AC 43.13-1B, Chapter 11, on the aircraft prior to
starting modification to ensure aircraft has the ability to carry the GDL 69/69A load. Refer to Section 2.8
for the power consumption of each GDL 69/69A mode of operation. Document the results of the
electrical load analysis on FAA Form 337.
2.3 Installation
Materials
2.3.1 Configurations
Available
Each of the GDL 69 and 69A can be ordered in different kits, each of which may contain components
listed in the following table.
Table 2-1. Kit Contents
Description Part
Number
GDL 69 XM Weather Data Receiver
011-00986-00
GDL 69A XM Weather/Audio Data Receiver
011-00987-00
Back Plate Assembly
011-00796-35
Remote Mount Rack GDL 69
115-00658-00
Connector
Kit
Assembly
011-00997-00
Configuration Module Assembly
011-00979-00
GA 55 XM Antenna
011-01033-00
GA 55A XM Antenna
011-01153-00
OR
GA 57 XM Antenna
011-01032-00
Rack Nut Plate, 2 POS
011-00915-00
Modular
Rack
115-00411-00