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Garmin GTS 8 Series Maintenance Manual Download Page 19

190-01279-01

GTS 8XX Part 23 AML STC Maintenance Manual

Rev. 2

Page 4-3

4.3 Maintenance Intervals

Maintenance Item

Interval

Description/Procedure

Antenna visual inspection

12 calendar months

Visually inspect the GTS 8XX system antenna(s) for the following:

• Environmental seal damage or decomposition
• Cracks in the antenna body
• Mounting structure damage or deformation
• Corrosion on metallic structures

If the antenna is not properly attached, or the antenna seal shows signs of damage or deterioration,  complete 
the following procedure:

1. Remove, clean, and reattach the antenna.
2. Complete the antenna electrical bonding test as described below.
3. Reseal the antenna.

If the antenna is damaged or cracked, remove and replace the antenna in accordance with Section 6 
(antenna(s) installed under this STC), or the antenna installation data (antenna(s) not installed under this 
STC). After installing antenna, complete the antenna electrical bonding test described below (if applicable).
If aircraft structure, at location of the antenna, is deformed or damaged, remove the antenna and repair 
aircraft structure in accordance with aircraft model-specific structural repair manual. After the aircraft repair 
is complete, perform the following: 

1. Clean and reattach the antenna.
2. Complete the antenna electrical bonding test as described below (if applicable).
3. Reseal the antenna.

Antenna visual inspection - 
suspected lightning strike

Suspected or actual 
lightning strike

In the event of a suspected or actual lightning strike to the aircraft, the GTS 8XX system antenna(s) and 
antenna cable installation must be inspected.

1.

Inspect the antenna(s) and surrounding area for structural damage.

a. If the antenna is damaged, replace the antenna in accordance with Section 6.
b. If the aircraft structure supporting the antenna installation is deformed or damaged, 

remove the antenna and repair in accordance with procedures detailed in the aircraft 
model-specific structural repair manual. When repair is complete, continue with the 
following steps. 

2. Inspect the antenna and coaxial cable connector ends for damage. If any damage is found on any 

antenna or coaxial cable connector, replace the antenna(s) or coaxial cable(s) in accordance with 
Section 6.

3. Ensure that the coaxial cable connectors are securely attached to the antenna connectors.
4. Perform the GTS 8XX system checkout procedure in accordance with Section 5.

Summary of Contents for GTS 8 Series

Page 1: ...ML STC Maintenance Manual with Instructions for Continued Airworthiness Aircraft Make Model Registration Number and Serial Number and accompanying STC configuration information in Appendix A must be c...

Page 2: ...d copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is st...

Page 3: ...Updated procedure for antenna visual inspection suspected lightning strike to include inspection criteria 5 1 Added GTS 8X0 Install Tool P N 006 A0242 00 5 3 Updated Baro Altitude fault to Pressure Al...

Page 4: ...be exported released or disclosed to foreign nationals inside or outside of the United States without first obtaining an export license Information in this document is subject to change without notice...

Page 5: ...iagnosis 5 3 5 3 System Faults 5 4 6 EQUIPMENT REMOVAL AND RE INSTALLATION 6 1 6 1 GTS 8X0 6 2 6 2 GPA 65 6 2 6 3 GTS Processor 6 3 6 4 Configuration Module 6 3 6 5 Antenna Coaxial Cable 6 4 6 6 Direc...

Page 6: ...Figure 7 6 Target Aircraft Position for Traffic Display Flight Check 7 11 Figure A 1 Equipment Location and Wire Routing Single Engine Airplane A 6 Figure A 2 Equipment Location and Wire Routing Twin...

Page 7: ...6 1 Recommended Coaxial Cable Length 6 5 Table 7 1 GTS 8XX System Flag Status 7 5 Table 7 2 Data Source Status Icons 7 6 Table 7 3 Ramp Test Intruder Scenario 7 10 Table A 1 GTS 8XX System Interfaces...

Page 8: ...3 AML STC Maintenance Manual Rev 2 Page 1 1 1 INTRODUCTION 1 1 Scope 1 2 1 2 Organization 1 2 1 3 Definitions and Abbreviations 1 3 1 3 1 Definitions 1 3 1 3 2 Abbreviations 1 3 1 4 Related Publicatio...

Page 9: ...nance practices Basic GTS configuration and software loading is also described Section 4 Instructions for Continued Airworthiness This section provides instructions to maintain continued airworthiness...

Page 10: ...Unit MFD Multi Function Display SL Sensitivity Level STC Supplemental Type Certificate TA Traffic Advisory TAS Traffic Advisory System TCAS Traffic Alertand Collision Avoidance System TSO Technical St...

Page 11: ...revised every page will be revised to indicate the current revision level Garmin dealers may obtain the latest revision of this document on the Garmin Dealer Resource Center website Owner operators m...

Page 12: ...8XX Part 23 AML STC Maintenance Manual Rev 2 Page 2 1 2 GENERAL DESCRIPTION 2 1 System Overview 2 2 2 2 Equipment Description 2 2 2 3 Electrical Current Requirements 2 2 2 4 Interface Summary 2 3 2 5...

Page 13: ...ts to the GTS 8XX are required for ADS B In to operate Although ADS B In relies on 1090ES ADS B Out broadcasts from other aircraft it is not necessary for the GTS equipped aircraft to broadcast an ADS...

Page 14: ...0 M H z T X 1 0 3 0 M H z R X 1 0 3 0 M H z R X Suppression Bus Audio Inhibit Audio Output Pressure Altitude OR OR OR Transponder Serializer Magnetic Heading optional Radar Altimeter optional GPS PVT...

Page 15: ...40 004 3 incorporated or aircraft with similar factory installed lightning protection supporting IFR operation Aircraft Type Model Ground Reference Maximum Resistance Between GTS 8XX Chassis and Groun...

Page 16: ...details Operate Standby The Operate Standby function toggles the GTS 8XX system between Operate and Standby modes Operate Standby may be controlled through a compatible display or external switch Sel...

Page 17: ...nce 4 2 4 2 2 Special Tools 4 2 4 3 Maintenance Intervals 4 3 This document is designed for use by the installing agency of the Garmin GTS 8XX Traffic System as Instructions for Continued Airworthines...

Page 18: ......

Page 19: ...in accordance with aircraft model specific structural repair manual After the aircraft repair is complete perform the following 1 Clean and reattach the antenna 2 Complete the antenna electrical bondi...

Page 20: ...ng removal and replacement of the GTS 8XX install rack or bonding components AND Every 2000 flight hours or ten years whichever is first 1 Disconnect the coaxial cable connector s from the GTS 8XX 2 D...

Page 21: ...are replaced complete the equipment electrical bonding test as described above Equipment visual inspection 12 calendar months Conduct a visual inspection of the GTS 8XX installation in accordance with...

Page 22: ...records for a list of the interfaced equipment and system configuration data When troubleshooting the GTS 8XX system refer to wire routing drawings and interconnect diagrams retained with the aircraf...

Page 23: ...42 10 for the GTS 825 855 or the GTS 8X0 Install Tool P N 006 A0242 00 for the GTS 800 820 850 1 Double click the 32 bit or 64 bit msi file depending on PC operating system to begin installation 2 Fol...

Page 24: ...Processor Install Tool or GTS 8X0 Install Tool This tool allows for troubleshooting the GTS Assert Log using a computer installed with Microsoft Windows XP or later and Microsoft NET Framework 2 0 SP2...

Page 25: ...Magnetic Variation image was recently uploaded retry the upload ROM Internal non volatile memory failure or invalid data image detected Execution CPU execution fault has occurred 1 Cycle GTS 8XX power...

Page 26: ...3 1 3 Receiver self calibration and test is performed prior to transmitter calibration and test In the event that a receiver calibration fault occurs transmitter self calibration and testing will not...

Page 27: ...irectional Antenna 6 6 6 7 Omni directional Monopole Antenna 6 7 This section contains procedures and requirements for removal and re installation of GTS 8XX equipment After removal and re installatio...

Page 28: ...X0 LRU mounting tray 4 Connect the D sub and QMAantenna coaxial cable connectors to the GTS 8X0 5 Complete the appropriate return to service procedures in Section 7 6 2 GPA 65 Removal 1 Ensure there i...

Page 29: ...rvice procedures in Section 7 6 4 Configuration Module Removal 1 Ensure there is no power supplied to the GTS 8XX 2 Gain access to the GTS 8XX See the completed copy of Appendix A retained with the ai...

Page 30: ...replace coaxial cables with identical part numbers Removal 1 Ensure there is no power supplied to the GTS 8XX 2 Gain access to the antenna coaxial cable section being removed 3 Disconnect the QMA or...

Page 31: ...ector Type s Unit Antenna Connector Loss dB Length ft for 0 5 dB Length ft for 1 5 dB Length ft for 2 0 dB Length ft for 2 5 dB Length ft for 3 0 dB M17 128 RG400 17 2 TNC TNC 0 08 0 08 1 98 7 79 10 7...

Page 32: ...If necessary replace the O ring with a new O ring Otherwise re install the O ring in the groove on the antenna baseplate 3 Position the antenna backing plate if used on the aircraft structure 4 Reconn...

Page 33: ...O ring for damage If necessary replace the O ring with a new O ring Otherwise re install the O ring in the groove on the antenna baseplate 3 Position the antenna backing plate if used on the aircraft...

Page 34: ...nfiguration and Checkout 7 3 7 3 1 GTS 8XX Install Tools 7 3 7 4 System Checkout 7 8 7 4 1 System Test and Audio Check 7 8 7 4 2 Interface Check 7 9 7 4 3 Ramp Test and Return To Service Test 7 9 This...

Page 35: ...Configuration Module Original Configuration Module Re installed No action is necessary New Configuration Module Installed NOTE Installation of a used configuration module is not recommended NOTE Featu...

Page 36: ...7 3 1 GTS 8XX Install Tools NOTE The GTS Processor Install Tool P N 006 A0242 10 and GTS 8X0 Install Tool P N 006 A0242 00 will be referred to as the GTS 8XX Install Tool Functionality is the same be...

Page 37: ...es Alpha values are phase measurement values for the top and bottom antennas used to determine if the installation has an adequate ground plane for each antenna Alpha values are updated after a self t...

Page 38: ...e GTS 8XX reboots into Configuration mode Changed configuration options will be highlighted yellow until the Set Active key is clicked Configuration items not applicable to the GTS 8XX system are disa...

Page 39: ...ttings to the GTS 8XX configuration module and reboots the GTS 8XX with the configuration settings The Revert Changes key resets all highlighted configuration settings to those saved on the GTS 8XX co...

Page 40: ...retrieves and displays the contents of the assert log from the GTS 8XX The contents of the assert log from the GTS 8XX can be retrieved and displayed on the Assert tab The Assert tab can be used to ge...

Page 41: ...uld be heard Evaluate the audio for acceptable volume and intelligibility NOTE The traffic system audio volume can be adjusted if necessary Use the following flight check to ensure the audio volume co...

Page 42: ...plished via the GIFD Connect a laptop computer to the USB dongle and using the GTS Install Tool perform the following test Use a TCAS ramp tester and the following procedure to verify GTS 8XX system o...

Page 43: ...X antenna at 90 5 Set the TRAFFIC SYSTEM to the Operate mode 6 Set the TCAS ramp tester to the scenario in Table 7 3 Table 7 3 Ramp Test Intruder Scenario 7 Initiate the intruder scenario and observe...

Page 44: ...vers should be performed in the same direction with GPS using offsets from known NAV aids so both pilots know the test aircraft to target aircraft separation at all times 1 With the GTS 8XX system pow...

Page 45: ...6 o clock position on the traffic display 8 To verify the 9 o clock position maneuver the target aircraft approximately within 4 NM directly to the left of the test aircraft while maintaining a 1 000...

Page 46: ...uipment A 4 A 3 Equipment Locations and Wire Routing A 5 A 4 Configuration Log A 8 A 5 Aircraft Wiring Diagrams A 9 A copy of this appendix must be used to record information for installation of the G...

Page 47: ...ion Number Serial Number Aircraft Make and Model Serial Number Part Number Mod Level Top Directional Antenna Serial Number Part Number Model Bottom Antenna Software Versions Part Number Model Serial N...

Page 48: ...ecific interconnect diagrams retained with the aircraft s permanent records for detailed equipment interface information Table A 1 GTS 8XX System Interfaces to Garmin Equipment Equipment Interfaced In...

Page 49: ...he STC IM to determine whether interfaces between the GTS 8XX and equipment not listed in Table A 1 are covered by this STC Table A 2 GTS 8XX System Interfaces to Other Equipment Equipment Model s Ins...

Page 50: ...GTS 8XX system components as well as the following details in a single engine and twin engine airplane respectively GTS 8XX location GTS 8XX wiring harness routings Antenna locations Antenna coaxial c...

Page 51: ...190 01279 01 GTS 8XX Part 23 AML STC Maintenance Manual Rev 2 Page A 6 Figure A 1 Equipment Location and Wire Routing Single Engine Airplane...

Page 52: ...190 01279 01 GTS 8XX Part 23 AML STC Maintenance Manual Rev 2 Page A 7 Figure A 2 Equipment Location and Wire Routing Twin Engine Airplane...

Page 53: ...232 Port Speed ARINC 429 Tx Disabled Disabled N A Low High Tx Channel Speed COM Port ARINC 429 Rx Transponder 2 Communication Disabled N A N A N A Low High Rx Channel RS 232 Port Speed ARINC 429 Tx D...

Page 54: ...v 2 Page A 9 A 5 Aircraft Wiring Diagrams Attach the aircraft wiring diagrams showing the equipment installed by this STC or a markup of the interconnect diagrams from the STC installation manual deta...

Page 55: ...TRICAL BONDING PROCEDURES B 1 Considerations for Untreated or Bare Dissimilar Metals B 2 B 2 Preparation of Aluminum Surfaces B 3 B 3 Composite Aircraft B 4 B 4 Tube and Fabric Aircraft B 9 Refer to S...

Page 56: ...fter the bond is completed should be protected again Additional guidance can be found in AC 43 13 1B and SAE ARP 1870 Typical electrical bonding preparation examples are shown in Figure B 1 Figure B 2...

Page 57: ...ve non conductive films or coatings from the grounding location 3 Apply a chemical conversion coat such as Alodine 1200 to the bare metal 4 Once the chemical conversion coat is dry clean the area 5 In...

Page 58: ...to prevent corrosion due to dissimilar materials The GTS ground must be routed to the aircraft ground reference specified in Table 2 2 The aluminum tape must not have any tears in the joint or along t...

Page 59: ...hardware specified in Table B 1 to replace the damaged items see Figure B 6 and Figure B 7 The bonding strap must not be longer than six inches 7 If multiple strips of tape were used the plate must t...

Page 60: ...INUM TAPE TO SECONDARY STRUCTURE 3 ADHESIVE SIDE FOLD ALUMINUM TAPE JOINT 1 ADHESIVE SIDE ADHESIVE SIDE ALUMINUM TAPE 0 063 ALUMINUM PLATE 3 BOLTS WITH LOCKNUTS AND WASHERS GROUND STUD COMMON TO INSTR...

Page 61: ...n Sheet 1 of 2 ALUMINUM TAPE ALUMINUM PLATE GTS PROCESSOR VERTICAL MOUNT AIRCRAFT STRUCTURE E G EQUIPMENT SHELF 2 1 ALUMINUM PLATE 1 AIRCRAFT STRUCTURE 7 1 LENGTH TO WIDTH RATIO MEASUREMENT BEGINS AT...

Page 62: ...0 25 INCH RECOMMENDED MINIMUM DIMENSIONS SHOWN IN DRAWING IF MULTIPLE STRIPS OF TAPE ARE USED TO CREATE THE SIX INCH TAPE WIDTH ENSURE THAT PLATE IS IN CONTACT WITH ALL STRIPS OF TAPE GTS PROCESSOR I...

Page 63: ...o aluminum tubes to ensure a good contact surface 2 Re install the existing bonding straps from the GTS 8XX mounting plate to the bonding clamp NOTE If it is necessary to replace the bonding straps fa...

Page 64: ...QQB575F36T781 OR Tinned copper tubular braid 7 16 QQB575R30T437 3 Terminal lug 10 uninsulated MS20659 130 4 Bolt 10 AN3 XA 5 Lock washer 10 NASM25338 43 6 Flat washer 10 NAS1149F0363P 7 Flat washer AN...

Page 65: ...1279 01 GTS 8XX Part 23 AML STC Maintenance Manual Rev 2 Page B 11 Figure B 8 Electrical Bonding Using Conductive Clamp Sheet 1 of 2 4 5 6 7 2 1 7 6 8 3 9 10 11 12 13 13 12 14 MOUNTING PLATE AIRCRAFT...

Page 66: ...01279 01 GTS 8XX Part 23 AML STC Maintenance Manual Rev 2 Page B 12 Figure B 8 Electrical Bonding Using Conductive Clamp Sheet 2 of 2 CLAMP TONGUES TUBE 7 4 5 6 3 3 6 5 8 1 7 SHELF 10 11 12 13 13 14...

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