Garmin GTX 32, Installation Manual

Page 1: ...190 00303 60 October 2008 Revision F GTX 32 Transponder Installation Manual ...

Page 2: ... the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Garmin International Inc 1200 E 151st Street Olathe KS 66062 USA Telephone 913 397 8200 Aviation Panel Mount Technical Support Line Toll Free 1 888 606 5482 www garmin com Garmin Europe Ltd Liberty House Bulls Copse Road Hounsdo...

Page 3: ...grated Flight Deck 3 2 3 3 Replaced G1000 with Garmin Integrated Flight Deck 3 places 3 4 3 6 Added Final Installation Section including caution for handle screw torque 3 5 3 7 1 Removed G1000 from 1st line 3 6 3 8 Replaced G1000 with Garmin Integrated Flight Deck 4 2 4 3 Replaced G1000 with Garmin Integrated Flight Deck 4 3 4 3 4 Replaced G1000 with Garmin Integrated Flight Deck 4 5 4 5 Replaced ...

Page 4: ...ionals inside or outside of the United States without first obtaining an export license The preceding statement is required to be included on any and all reproductions in whole or in part of this manual WARNING This product its packaging and its components contain chemicals known to the State of California to cause cancer birth defects or reproductive harm This Notice is being provided in accordan...

Page 5: ...Materials 2 1 2 3 Installation Considerations 2 2 2 4 Cabling and Wiring 2 4 2 5 Installation Approval Considerations for Pressurized Aircraft 2 5 2 6 Cooling Air 2 5 2 7 GTX 32 Mounting Requirements 2 6 3 INSTALLATION PROCEDURE 3 1 3 1 Unpacking Unit 3 1 3 2 Wiring Harness Installation 3 1 3 3 Backshell Assembly 3 2 3 4 Weight and Balance 3 3 3 5 Electrical Load Analysis 3 4 3 6 Final Installatio...

Page 6: ...vision F 190 00303 60 PARAGRAPH PAGE APPENDIX A CONSTRUCTION AND VALIDATION OF STRUCTURES A 1 Static Test Loading A 1 A 2 Determining Static Load Capability A 1 APPENDIX B OUTLINE AND INSTALLATION DRAWINGS APPENDIX C INTERCONNECT DRAWINGS ...

Page 7: ...2 B 5 B 3 GTX 32 Remote Mounted Stand Alone Rack Connector Assembly Drawing Sheet 2 B 7 C 1 GTX 32 Typical Garmin Integrated Flight Deck System Interconnect Wiring Diagram C 1 C 2 GTX 32 to GNS 480 CNX80 Interconnect Wiring Diagram C 3 C 3 GTX 32 to GDL 90 Typical Interconnect Wiring Diagram C 5 C 4 Dual GTX 32 Transponders Single Altitude Encoder Interconnect Wiring Diagram Sheet 1 of 2 C 7 C 4 D...

Page 8: ...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 Authorized Garmin Sales and Service Centers are encouraged to access the most up to date bulletin and advisory information on the Garmin Dealer Resource web site at www garmin com using their Garmin provided user name and password MOD LE...

Page 9: ...rrogation Mode A replies consist of framing pulses and any one of 4 096 codes which differ in the position and number of pulses transmitted Mode C replies include framing pulses and encoded altitude By replying to ground transmissions or TCAS interrogations the GTX 32 enables ATC to display aircraft identification altitude and groundspeed on ATC radar screens or TCAS traffic indicators The GTX 32 ...

Page 10: ...e STC includes all the data needed to support the installation of the GTX 32 in all the aircraft identified on the AML Although the interface to other equipment is present in the manual the STC does not include data for the installation of the Transponder Antenna Control Display or Altitude Encoder The installation of the GNS 480 CNX80 or GDU Multifunction Display or any other interfaced equipment...

Page 11: ... Depth Including Connectors measured from face of unit to rear of connector backshells 8 78 Inches 223 mm G1000 and Remote Mount Rack GTX 32 Unit Weight 2 2 lbs 1 00 kg GTX 32 Weight Installed with G1000 rack and connectors 2 8 lbs 1 27 kg GTX 32 Weight Installed with remote mount stand alone rack and connectors 3 4 lbs 1 54 kg 1 6 2 Electrical Specifications Characteristic Specification FCC Autho...

Page 12: ... The GTX 32 installation must comply with current transmitter licensing requirements To find out the specific details on whether a particular installation is exempt from licensing please visit the FCC web site http wireless fcc gov aviation If an aircraft license is required make application for a license on FCC form 404 Application for Aircraft Radio Station License The FCC also has a fax on dema...

Page 13: ... CFR Part 43 or the applicable airworthiness requirements 1 8 1 TSO ETSO Compliance Function TSO ETSO Category Applicable LRU SW Part Numbers Airborne ATC Transponder Equipment TSO C74c ETSO C74c Class 1A 006 B0125 00 and later 006 B0125 1 8 2 TSO ETSO Deviations None 1 9 Reference Documents The following publications are sources of additional information for installing the GTX 32 Before installin...

Page 14: ... USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR...

Page 15: ... aircraft using the remote mounted stand alone rack refer to Appendix B for rack drawings and dimensions 2 2 Installation Materials The GTX 32 is available as a single unit under the following part numbers Item Catalog Part Number GTX 32 011 00768 00 010 00265 00 2 2 1 Equipment Available Each of the following accessories is provided separately for the GTX 32 unit and is required for installation ...

Page 16: ...lation Considerations When installed as part of a Garmin Integrated Flight Deck system the GTX 32 interfaces with GIA 63 GIA 63W units Optional available discrete line interfaces are shown in Section 4 4 Discrete Inputs Outputs In other system installations the GTX 32 can interface with equipment including altimeters and Air Data Computer ADC RS 232 provides a serial communication path between int...

Page 17: ...eller s and antenna masts It should also be as far as practical from landing gear doors access doors or other openings that could affect the radiation pattern B The main antenna should be mounted vertically on the bottom of the aircraft C Avoid mounting the antenna within three feet of the ADF sense antenna or any other communication antenna and six feet from the DME antenna D To prevent RF interf...

Page 18: ...ng connectors Avoid sharp bends in cabling and routing near aircraft control cables The following table lists examples of the recommended antenna cable vendors and the type of cable to be used for specific lengths of cable Any cable meeting specifications is acceptable for the installation The maximum coaxial cable attenuation at 1090 MHz must not exceed 1 5 dB including connectors The following t...

Page 19: ... Supplemental Type Certificate STC pertaining to and valid for the subject antenna installation 3 Contact the FAA Aircraft Certification Office in the appropriate Region and request identification of FAA Designated Engineering Representatives DERs who are authorized to prepare and approve the required antenna installation engineering data 4 Obtain FAA Advisory Circular AC 183C and select and conta...

Page 20: ...e with AC 43 13 2A Chapter 2 Radio Installations The rack should be mounted to a surface known to have sufficient structural integrity to withstand additional inertia forces imposed by a 3 4 pound 1 54 kg unit If it is necessary to build a shelf or bracket to mount the GTX 32 stand alone rack or it is not certain that the chosen location is of sufficient structural integrity refer to Appendix A fo...

Page 21: ... 32 G1000 Unit Rack 115 00439 00 Figure 2 3 shows the remote rack P N 115 00628 00 for use in a stand alone installation The installer must provide any additional mounting hardware required for the remote stand alone rack Figure 2 3 GTX 32 Remote Stand Alone Rack 115 00628 00 ...

Page 22: ...Page 2 8 GTX 32 Installation Manual Revision F 190 00303 60 Figure 2 4 GTX 32 Remote Stand Alone Rack Suggested Mounting Locations ...

Page 23: ...cs of all input and output signals Required connectors and associated hardware are supplied with the connector kit See Appendix C for examples of interconnect wiring diagrams Construct the actual harnesses in accordance with the aircraft manufacturer authorized interconnect standards CAUTION Check wiring connections for errors before inserting the GTX 32 into the rack Incorrect wiring could cause ...

Page 24: ...sembly The GTX 32 connector kit includes one Garmin backshell assembly Garmin s backshell connectors give the installer the ability to quickly and easily terminate shield grounds at the backshell housing using one of two methods available SPIDER or Shield Block NOTE The SPIDER grounding method is permitted for previous installations however Garmin recommends the use of the Shield Block grounding m...

Page 25: ...uired after the installation of the GTX 32 Follow the guidelines as established in AC 43 13 1B Chapter 10 Section 2 Make appropriate entries in the equipment list indicating items added removed or relocated along with the date accomplished Include your name and certificate number in the aircraft records Section 1 6 1 identifies the weight of the new GTX 32 equipment Figure B 1 shows the center of ...

Page 26: ...tor kit 3 Mount the unit rack to the main system rack or other suitable mounting location using the provided nutplates 4 Assemble the rear plate into the GTX 32 unit rack 5 Insert the GTX 32 into the rack noting proper orientation as shown on the installation drawing in Appendix B CAUTION Do not use excessive force when inserting the GTX 32 into the rack This may cause damage to occur to the conne...

Page 27: ...al Garmin part number 190 00303 04 For actual aircraft installation checkout use only aircraft manufacturer approved checkout procedures Verify proper operation of the transponder by testing in accordance with Appendix F to 14 CFR Part 43 ATC Transponder Tests and Inspections For transponder installations operating with a Garmin GNS 480 CNX80 system refer to GNS 480 CNX80 Installation Manual 560 0...

Page 28: ...andby inputs are connected verify operation by a Verify that the unit goes to standby when the external standby input is pulled low b Verify that the ident indication turns on when the external ident button is pressed must be in the ON or ALT modes 3 7 4 Performance Ramp Test After installation the transponder should be tested as specified in 14 CFR Part 43 Appendix F AC 43 6B and other appropriat...

Page 29: ...TITUDE A2 In 6 ALTITUDE A4 In 7 ALTITUDE C4 In 8 EXTERNAL IDENT SELECT In 9 ALTITUDE B1 In 10 ALTITUDE C1 In 11 ALTITUDE B2 In 12 ALTITUDE B4 In 13 POWER GROUND 14 SWITCHED POWER OUTPUT Out 15 AIRCRAFT POWER 1 In 16 XPDR SYSTEM ID PROGRAM In 17 EXTERNAL SUPPRESSION I O I O 18 ALTITUDE D4 In 19 RS 232 IN 1 In 20 RS 232 OUT 1 Out 21 RESERVED FOR SOFTWARE UPLOAD 22 AIRBORNE SENSE SQUAT SWITCH In 23 A...

Page 30: ...1 9 V or the resistance to ground is 375 Ω These inputs are considered inactive if the voltage to ground is 11 33 Vdc Refer to figures in Appendix C for parallel gray code and serial data altitude interconnection Carefully check encoder input lines for correct connection after wiring is complete NOTES The GTX 32 contains internal altitude code line isolation diodes to prevent the unit from pulling...

Page 31: ...l data input as shown For a complete dual installation containing two encoders it is best to connect one encoder to each transponder 4 3 3 Altimeter Calibration and Checkout Refer to GNS 480 CNX80 Installation Manual 560 0982 01 for calibration procedures and gray code altitude checkout 4 3 4 Altimeter Selection Priority When connecting the transponder to a GNS 480 CNX80 the installer must be awar...

Page 32: ...0 uA max for a grounded input EXTERNAL IDENT SELECT remote IDENT is a momentary input Refer to Figures C 1 C 2 C 3 for the remote IDENT switch interconnect AIRBORNE SENSE SQUAT SWITCH is an ON or OFF input The squat switch is one of the Airborne Determination methods available for sensing airborne status Input for Airborne Determination allows automatic start and stop of the flight timer and enabl...

Page 33: ...rd RS 232 load Refer to Appendix C for RS 232 serial data interconnect 4 5 RS 232 Input Output Software Update Connections When the GTX 32 is installed in a system other than a Garmin Integrated Flight Deck system an optional RS 232 serial data connector should be installed in the aircraft for future software upgrades negating the need to remove the transponder from the aircraft The connector can ...

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Page 35: ...nstallations Since the combined weight of the GTX 32 and its equipment mounting rack and connector is 3 4 lbs the static loads which must be applied Load Factor x 3 4 lbs will be as follows Table A 1 Static Test Load Direction of Force Load Factor Static Test Load Load Factor x GTX 32 Weight DOWNWARD 6 6 G 6 6 x 3 4 22 5 lbs UPWARD 6 0 G 6 0 x 3 4 20 4 lbs SIDEWARD 4 5 G 4 5 x 3 4 15 3 lbs FORWARD...

Page 36: ...ree directions upward sideward and forward at the above calculated forces i e 20 4 lb upward 15 3 lb sideward and 61 2 lb forward 7 Examine the support structure carefully If there has been damage or permanent deformation the structure is not suitable and must be replaced with one that is strong enough to withstand the test loads Examine all aircraft stringers bulkheads and skin surfaces which may...

Page 37: ... 9 P Y T 7 7 3 7 6 4 9 P Y T 7 2 7 3 P Y T 9 1 2 1 8 4 8 7 9 9 3 1 7 2 3 P R I A D E C R O F T R O P G N I L O O C 3 4 3 4 0 1 7 1 8 0 8 8 1 3 7 0 2 1 5 7 4 R O F E L O H G N I T N U O M 0 0 1 6 W E R C S D A E H T A L F S E C A L P 8 1 6 2 5 7 1 0 9 6 P Y T S E T O N m m S E H C N I S N O I S N E M I D 1 S E C N A R E L O T 2 3 X 1 0 X 0 1 X 4 0 0 X X 1 5 0 X X 0 2 0 0 X X X m m H C N I Figure B ...

Page 38: ...2 T S A E L T A T I K R E H T I E H T I W D E G A M A D S I H C T A P D E I L P P A E R P F I S R E N E T S A F D E D A E R H T O T D N U O P M O C G N I K C O L D A E R H T Y L P P A 4 0 0 4 8 0 0 0 1 1 2 0 0 1 5 7 3 x 2 3 6 D A E H T A L F S E C A L P 2 1 6 0 4 3 2 0 6 1 1 2 S P I L L I H P D A E H N A P 7 8 1 X 0 4 4 S E C A L P 4 1 0 7 5 6 0 0 5 1 1 S E C A L P 2 2 1 4 3 2 3 6 1 1 2 0 0 1 0 0 ...

Page 39: ... 00013 01 212 20014 00 234 10002 00 011 00980 01 011 00950 02 330 00184 25 336 00022 00 336 00023 00 AS NEEDED 115 00628 00 NOTES 1 PART OF 011 00677 01 BACK PLATE ASSEMBLY 2 PART OF 011 01013 00 CONNECTOR KIT ASSEMBLY 3 APPLY THREAD LOCKING COMPOUND TO ALL THREADED FASTENERS 2 2 2 1 1 1 2 1 GROUNDING WIRES Figure B 3 GTX 32 Remote Mounted Stand Alone Rack Connector Assembly Drawing Sheet 1 of 2 ...

Page 40: ... Page B 7 Page B 8 blank 190 00303 60 Revision F 4X Ø0 18 Ø4 6 1 69 42 9 5 27 133 8 3 70 93 9 8 77 222 7 8 01 203 5 0 32 8 2 1 05 26 6 4 75 120 6 1 67 42 3 6 84 173 9 3 30 83 7 4 25 108 0 Figure B 3 GTX 32 Remote Mounted Stand Alone Rack Connector Assembly Drawing Sheet 2 ...

Page 41: ...APPENDIX C INTERCONNECT DRAWINGS GTX 32 Installation Manual Page C 1 Page C 2 blank 190 00303 60 Revision F Figure C 1 GTX 32 Typical Garmin Integrated Flight Deck System Interconnect Wiring Diagram ...

Page 42: ...APPENDIX C INTERCONNECT DRAWINGS GTX 32 Installation Manual Page C 3 Page C 4 blank 190 00303 60 Revision F Figure C 2 GTX 32 to GNS 480 CNX80 Interconnect Wiring Diagram ...

Page 43: ...tallation Manual Page C 5 Page C 6 blank 190 00303 60 Revision F GDL 90 RS232 RxD GND 15 7 P2 8 THE GTX 32 WILL L REMOTELY CONTROL THE GDL 90 DATALINK CH7 24 33 P2 CH6 5 12 P1 CH2 9 Figure C 3 GTX 32 to GDL 90 Typical Interconnect Wiring Diagram ...

Page 44: ...ENDIX C INTERCONNECT DRAWINGS GTX 32 Installation Manual Page C 7 Page C 8 blank 190 00303 60 Revision F Figure C 4 Dual GTX 32 Transponders Single Altitude Encoder Interconnect Wiring Diagram Sheet 1 of 2 ...

Page 45: ...PPENDIX C INTERCONNECT DRAWINGS GTX 32 Installation Manual Page C 9 Page C 10 blank 190 00303 60 Revision F Figure C 4 Dual GTX 32 Transponders Single Altitude Encoder Interconnect Wiring Diagram Sheet 2 ...