Table of Contents
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Table of Contents
Related Manuals for Garmin GDL 88
Summary of Contents for Garmin GDL 88
- Page 1 190-01122-00 TBD 2011 Rev. A...
- Page 3 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and...
- Page 4 Section 6 6-1 through 6-5 Section 7 7-1 through 7-2 Appendix A A-1 through A-2 Appendix B B-1 through B-5 Appendix C C-1 through C-6 Appendix D D-1 through D-7 Page B GDL 88 TSO Installation Manual Rev. A 190-01122-00...
- Page 5 Perchlorate Material – special handling may apply, See www.dtsc.ca.gov./hazardouswaste/perchlorate. WARNING The GDL 88 with GPS/SBAS and the GDL 88D with GPS/SBAS contains a lithium battery that must be recycled or disposed of properly. Battery replacement and removal must be performed by professional services.
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Page 6: Table Of Contents
Installation Materials Required but not Supplied ............... 4-3 Special Tools Required ......................4-3 Coaxial Cable Installation ......................4-4 Equipment Mounting ......................... 4-6 4.7.1 Unit Replacement ....................... 4-6 Antenna Installation and Connections ..................4-6 Page ii GDL 88 TSO Installation Manual Rev. A 190-01122-00... - Page 7 Figure 3-1. GPS Antenna Installation Considerations ................3-4 Figure 4-1. Coaxial Cable Installation ...................... 4-4 LIST OF TABLES Table 1-1. GDL 88 Units .......................... 1-1 Table 1-2. Approved GPS/SBAS Antennas ....................1-5 Table 1-3. TSO Authorization ........................1-7 Table 1-4. Non-TSO Functions ......................... 1-8 Table 1-5.
- Page 8 The following table identifies hardware modification (Mod) Levels for the GDL 88, GDL 88D, GDL 88 with GPS/SBAS and GDL 88D with GPS/SBAS. Mod Levels are listed with the associated service bulletin number, service bulletin date, and the purpose of the modification. The table is current at the time of publication of this manual (see date on front cover) and is subject to change without notice.
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Page 9: General Description
The GDL 88 is a remote-mounted product that contains a 978 MHz Universal Transceiver (UAT) and a 1090 MHz receiver. The GDL 88 will transmit ownship ADS-B data via the UAT data link. It will receive data from other UAT and 1090ES equipped aircraft, as well as Flight Information Service Broadcast (FIS-B) weather. -
Page 10: Technical Specifications
1.3 Technical Specifications 1.3.1 Physical Characteristics Table 1-2. Physical Characteristics – GDL 88 Units Characteristics Specifications Height Width Depth (Installed with rack and connectors) GDL 88 Weight (Unit only) GDL 88 Weight (Installed with rack) GDL 88 with GPS/SBAS Weight (Installed with rack) -
Page 11: Gps/Sbas Specifications
1.3.3 GPS/SBAS Specifications Table 1-4. GPS/SBAS Specifications – GDL 88 and GDL 88D with GPS/SBAS Characteristics Specifications Number Of Channels 15 (12 GPS and 3 SBAS) Frequency 1575.42 MHz L1, C/A code -134.5 dBm GPS Sensitivity (Acquisition, No Interference) -135.5 dBm WAAS... -
Page 12: 1030 Mhz Transmitter Specifications
1.3.6 1090 MHz Receiver Specifications Table 1-7. Receiver Specifications Characteristics Specifications Frequency 1090 MHz + 1 MHz Frequency Tolerance Modulation Binary Pulse-Position Data Rate 1 Mbps Sensitivity -82 dBm for 90% MSR Page 1-4 GDL 88 TSO Installation Manual Rev. A 190-01122-00... -
Page 13: Uat/1090 Requirements
UAT data link antennas. CAUTION Operating the GDL 88 without RF terminations on the top or bottom UAT antenna ports can result in equipment damage. Always operate the GDL 88 with the top and bottom UAT antenna ports terminated with a VSWR ration of 3.0:1 or less. -
Page 14: License Requirements
CAUTION The VHF transmitter in this equipment is guaranteed to meet Federal Communications Commission acceptance over the operating temperature range. Modifications not expressly approved by Garmin could invalidate the license and make it unlawful to operate the equipment. NOTE Canadian installations are required to meet Industry Canada specifications for maximum radiation as documented in Radio Specifications Standard 102 (RSS-102). -
Page 15: Regulatory Compliance
Information Service – Broadcast DO-260B (TIS-B) Equipment Operating on the Radio Frequency of 1090 Megahertz (MHz) Avionics Supporting Automatic Dependent Surveillance – TSO-C195 Broadcast (ADS-B) Aircraft DO-317 C3, C4 Surveillance Applications (ASA) GDL 88 TSO Installation Manual Page 1-7 190-01122-00 Rev. A... -
Page 16: Non-Tso Functions
System Function Level NOTE All GDL 88 unit functions are design approved under the TSO. Unauthorized changes or modifications to any GDL 88 unit product may void the compliance to required regulations and authorization for continued equipment usage. Page 1-8 GDL 88 TSO Installation Manual Rev. -
Page 17: Tso Deviations
Table 1-12. TSO Deviations Deviation TSO-C145c TSO-C154c TSO-C157 TSO-166b TSO-C195 1.5.4 FCC Grant of Equipment Authorization Table 1-13. FCC and IC IDs Model FCC ID IC ID GDL 88 IPH-01246 1312A-01246 GDL 88 TSO Installation Manual Page 1-9 190-01122-00 Rev. A... -
Page 18: Aviation Limited Warranty
Garmin in lieu of repair. Within the applicable period, Garmin will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor, provided that the customer will be responsible for any transportation cost. -
Page 19: Limitations
The article may be installed only if performed under 14 CFR part 43 or the applicable airworthiness requirements. The GDL 88 GPS/SBAS receiver, when installed with an appropriate antenna listed in Section 1.3.8, is compatible with aircraft equipped with SATCOM when installed in accordance to this manual. -
Page 20: Installation Overview
Installations.” 3.1 Antenna Considerations This section contains mounting location considerations for the antennas required for the GDL 88 units. For mounting the GPS/SBAS antenna, refer to FAA approved data. For mounting the NAV antennas, refer to the aircraft manufacturer‟s data. - Page 21 Also varying the mounting location will help minimize any aircraft shading by the wings or tail section (in a particular azimuth, when one antenna is blocked the other antenna may have a clear view). GDL 88 TSO Installation Manual Page 3-3 190-01122-00...
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Page 22: Figure 3-1. Gps Antenna Installation Considerations
Figure 3-1. GPS Antenna Installation Considerations Page 3-4 GDL 88 TSO Installation Manual Rev. A 190-01122-00... -
Page 23: Installation Procedures
Connector Kit 011-02375-00 Remote Rack Assembly 115-01035-00 Installation Kit 011-02621-00 Configuration Module Kit 011-00979-00 Backplate Assembly 011-01718-30 GDL 88D with GPS/SBAS Connector Kit 011-02375-00 Remote Rack Assembly 115-01035-00 Installation Kit 011-02621-00 GDL 88 TSO Installation Manual Page 4-1 190-01122-00 Rev. A... -
Page 24: Optional Accessories
For details regarding antenna selection, refer to Section 1.3.8. Once the antenna type is decided upon, refer to the information below for detailed parts information for antennas available directly from Garmin. Contact the manufacturer directly for information on other antennas. -
Page 25: Uat Antenna Options
Amphenol RF, Four Old Newtown Road, Danbury, CT 06810 Phone: 800-627-7100 4.4 Installation Materials not Supplied 4.4.1 Installation Materials Required but not Supplied The GDL 88 is intended for use with the standard aviation accessories. The following items are required for installation, but not supplied. Wire (MIL-W-22759/16 or equivalent) Shielded Wire (MIL-C-27500 or equivalent) Mounting Screws (8 minimum –... -
Page 26: Coaxial Cable Installation
EXCESS BRAID. SOLDER CONTACT TO CENTER CONDUCTOR. 5. INSERT CABLE CLAMP AND GASKET INTO CONNECTOR BODY MAKING SURE THAT SHARP EDGE OF CLAMP SEATS PROPERLY AND TIGHTEN NUT. Figure 4-1. Coaxial Cable Installation Page 4-4 GDL 88 TSO Installation Manual Rev. A 190-01122-00... - Page 27 [2] Contacts listed are not to be used for configuration module wiring. Use the contacts supplied with the configuration module when installing configuration module wires in P1001. [3] Non-Garmin part numbers shown are not maintained by Garmin and are subject to change without notice. GDL 88 TSO Installation Manual...
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Page 28: Equipment Mounting
VHF COM transceiver to reduce or eliminate the harmonic interference. A notch filter for this use (P/N 330-00067-00) is available from Garmin. If a VHF COM transmitter causes problems with the GPS on the selected frequencies as listed in the post- installation checkout, the problem may be due to the ELT. -
Page 29: Connector Pinout Information
ARINC 429 OUT 1B ARINC 429 OUT 2B FAN POWER (5V) RS-422 IN 2A RS-422 IN 2B RS-422 OUT 2A RS-422 OUT 2B IDENT* AUDIO INHIBIT IN* PRESSURE ALT BROADCAST INHIBIT* GDL 88 TSO Installation Manual Page 5-1 190-01122-00 Rev. A... - Page 30 AIRCRAFT GND An asterisk (*) following a signal name denotes that the signal is an Active-Low, requiring a ground to activate. If there is no asterisk, the signal is an Active-High. Page 5-2 GDL 88 TSO Installation Manual Rev. A 190-01122-00...
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Page 31: Power And Antennas
UAT ANTENNA – TOP P883 GPS/SBAS ANTENNA TNC P884 UAT antenna(s) use BNC coaxial connectors on the connector backplate. The GPS/SBAS antenna uses a TNC coaxial connector on the connector backplate. GDL 88 TSO Installation Manual Page 5-3 190-01122-00 Rev. A... -
Page 32: Post Installation Configuration And Checkout Procedures
6 POST INSTALLATION CONFIGURATION AND CHECKOUT PROCEDURES Page 6-4 GDL 88 TSO Installation Manual Rev. A 190-01122-00... - Page 33 GDL 88 TSO Installation Manual Page 6-5 190-01122-00 Rev. A...
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Page 35: Periodic Maintenance
The GDL 88 units do not require regular cleaning. Battery Replacement The GDL 88 with GPS/SBAS and the GDL 88D with GPS/SBAS includes an internal battery that will last about 10 years. The battery is used for internal RAM memory and GPS system information. Regular planned replacement is not necessary. - Page 36 Page 7-2 GDL 88 TSO Installation Manual Rev. A 190-01122-00...
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Page 37: Appendix Aenvironmental Qualification Form
Appendix A ENVIRONMENTAL QUALIFICATION FORM For RTCA/DO-160F Environmental Qualification Forms (EQFs) visit the Dealers Only site on http://www.garmin.com. The GDL 88 units all use the same EQF, part number 005-00358-20. GDL 88 TSO Installation Manual Page A-1 190-01122-00 Rev. A... -
Page 38: Appendix Bgdl 88 Data Format
Encoder) with a word length of 8 bits, one stop bit, and no parity. One message is received per second. B.1.2 Icarus Altitude Sentence The GDL 88 is capable of receiving the following 10-byte message from the Icarus Altitude Serializer: ALT <sp>12345<CR>... - Page 39 B.1.4 Shadin Altitude Sentence The GDL 88 is capable of receiving the following 17-byte message from Shadin Altitude Encoders, Altitude Serializers, and Altitude Converters: RMS<sp><+/->12345T<+/->12ul<CR> Where: ASCII characters <sp> space (0x20) <+/-> sign indicator (0x2b["+"] or 0x2d["-"]) 12345 altitude in feet ASCII character <+/->...
- Page 40 B.1.5 Shadin Fuel/Air Data Computer The GDL 88 is capable of receiving the following message strings from the Shadin Fuel/Air Data or Air Data Computer: SHADIN “z” FORMAT <STX> ZA012<CR><LF> "ZA" (ASCII characters); "012" represents indicated Air Speed (knots) ZB345<CR><LF>...
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Page 41: Appendix Cmechanical Drawings
Appendix C MECHANICAL DRAWINGS GDL 88 TSO Installation Manual Page C-5 190-01122-00 Rev. A... -
Page 42: Appendix Dinterconnect Diagrams
Appendix D INTERCONNECT DIAGRAMS Page D-6 GDL 88 TSO Installation Manual Rev. A 190-01122-00... - Page 43 GDL 88 TSO Installation Manual Page D-7 190-01122-00 Rev. A...