Revisin Number LOG OF REVISIONS Page Date Number Descriptin FAA Apprved 1 05/01/2013 All Cmplete Supplement Rbert Murray Rbert Murray ODA STC Unit Administratr Garmin Internatinal, Inc. ODA-240087-CE Date: 05/01/2013 2 03/08/2016 All New supplement frmat with GTX 3X5 added. 3 12/07/2017 All Updated SW versins and remved sectin 3.2.3. Updated sectin 2.2 Crrected PED FAR reference and additinal minr crrectins. Michael Warren Michael Warren ODA STC Unit Administratr Garmin Internatinal, Inc. ODA-240087-CE Date: 03/08/2016 See cver page 190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B Page 2 f 17 FAA APPROVED
Table f Cntents SECTION PAGE Sectin 1. GENERAL 4 1.1 GTX 33X 4 1.2 GTX 3X5 6 1.3 Capabilities 8 1.4 Installatin Cnfiguratin 8 1.5 Definitins 11 Sectin 2. LIMITATIONS 12 2.1 Minimum Equipment 12 2.2 ADS-B Out 12 2.3 TIS Traffic Display with User Navigatin Angle 12 2.4 Applicable System Sftware 13 2.5 Pressure Altitude Bradcast Inhibit (PABI) 13 2.6 Datalinked Weather Display (GTX 345 Only) 13 2.7 Prtable Electrnic Devices 13 Sectin 3. EMERGENCY PROCEDURES 14 3.1 Emergency Prcedures 14 3.2 Abnrmal Prcedures 14 Sectin 4. NORMAL PROCEDURES 15 4.1 Unit Pwer On 15 4.2 Befre Takeff 16 Sectin 5. PERFORMANCE 16 Sectin 6. WEIGHT AND BALANCE 16 Sectin 7. SYSTEM DESCRIPTION 17 7.1 GTX TIS Behavir 17 7.2 GTX 345R and G950/1000 N Bearing Traffic Alerts 17 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B 190-00734-15 Rev. 3 FAA APPROVED Page 3 f 17
Sectin 1. GENERAL 1.1 GTX 33X The Garmin GTX 33X family cnsists f the GTX 330 ES and GTX 33 ES (Nn- Diversity Mde S Transpnders) and the GTX 330D ES and GTX 33D ES (Diversity Mde S Transpnders). The ES ptin f any f the transpnders prvides ADS-B extended squitter functinality. All Garmin GTX 33X transpnders are a radi transmitter/receiver that perates n radar frequencies, receiving grund radar r TCAS interrgatins at 1030 MHz and transmitting a cded respnse f pulses t grund-based radar n a frequency f 1090 MHz. Each unit is equipped with IDENT capability t initiate the SPI (special psitin identificatin) pulse fr 18 secnds and will reply t ATCRBS Mde A, Mde C and Mde S All-Call interrgatin. Interfaces t the GTX 33X are shwn in the fllwing blck diagrams. Optinal Interfaces Required Interfaces GTX 330D Installs nly Tp Antenna Bttm Antenna Audi Panel Heading Surce Traffic System Secndary GPS Display GTX 330 r GTX 330D GPS Altitude Surce Pwer/Grund External Ident Squat Switch External STBY Temperature Figure 1 GTX 330 r GTX 33D Interface Summary 190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B Page 4 f 17 FAA APPROVED
Optinal Interfaces Required Interfaces GTX 33D Installs nly Tp Antenna Bttm Antenna Audi Panel Heading Surce Traffic System Secndary GPS Squat Switch Temperature GTX 33 r GTX 33D Garmin GTN 6XX/7XX OR Garmin GNS 480 Altitude Surce Pwer/Grund External Ident External Standby Figure 2 GTX 33 r GTX 33D Interface Summary The GTX 33X perfrms the fllwing functins: Transmissin f ADS-B ut data n 1090 extended squitter (1090 MHz) Integratin f data frm internal and external surces t transmit the fllwing data per 14 CFR 91.227: GPS Psitin, Altitude, and Psitin Integrity Grund Track and/r Heading, Grund Speed, and Velcity Integrity Air Grund Status Flight ID, Call Sign, ICAO Registratin Number Capability and Status Infrmatin Transpnder Squawk Cdes between 0000-7777. Emergency Status IDENT - initiates SPI (special psitin identificatin) pulse fr 18 secnds Pressure Altitude Bradcast Inhibit Receptin f TIS-A traffic data frm a grund statin Prvides TIS-A traffic alerting t the pilt via interfaced display and audi utput AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B 190-00734-15 Rev. 3 FAA APPROVED Page 5 f 17
1.2 GTX 3X5 The Garmin GTX 3X5 family cnsists f the GTX 335, 335R, 345, and 345R transpnders. The functinal differences between each f these transpnders are described in Table 1. Functin GTX 335 GTX 335 w/gps GTX 335R GTX 335R w/gps GTX 345 GTX 345 w/gps GTX 345R GTX 345R w/gps Panel munt x x x x Remte munt x x x x Mde S x x x x x x x x ADS-B (ut) x x x x x x x x ADS-B Traffic x x x x FIS-B x x x x Internal GPS x x x x Bluetth x x x x Optinal Garmin Altitude Encder x x x x x x x x Table 1 GTX 3X5 Unit Cnfiguratins Interfaces t the GTX 3X5 are shwn in Figure 3. Optinal Interfaces Required Interfaces Audi Panel Heading Surce Bttm Antenna Air Data Surce Radi Altitude Surce WOW Switch Secndary GPS GTX 3X5 GPS Antenna GTX 3X5 with GPS nly OR External GPS Surce Keep Alive Input Bluetth Device ADS-B Traffic FIS-B Display GTX 345 / 345R nly Flight Stream OR Bluetth GTX 335R/345R Altitude Surce Pwer/Grund Cntrl TAS/TCAS I Traffic Sensr External Traffic Annunciatr Fr NO display Install Figure 3 GTX 3X5 Interface Summary 190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B Page 6 f 17 FAA APPROVED
The GTX 3X5 perfrms the fllwing functins: Transmissin f ADS-B ut data n 1090 extended squitter (1090 MHz) Integratin f data frm internal and external surces t transmit the fllwing data per 14 CFR 91.227: GPS Psitin, Altitude, and Psitin Integrity Grund Track and/r Heading, Grund Speed, and Velcity Integrity Air Grund Status Flight ID, Call Sign, ICAO Registratin Number Capability and Status Infrmatin Transpnder Squawk Cdes between 0000-7777. Emergency Status IDENT - initiates SPI (special psitin identificatin) pulse fr 18 secnds Pressure Altitude Bradcast Inhibit The GTX 335 perfrms the fllwing additinal functins: Receptin f TIS-A traffic data frm a grund statin Prvide TIS-A traffic alerting t the pilt via interfaced display and audi utput. The GTX 345 perfrms the fllwing additinal functins: Receptin f ADS-B In data n 1090 MHz ADS-B (Data directly frm anther transmitting aircraft) ADS-R (Rebradcast f ADS-B data frm a grund statin) Receptin f ADS-B In data n UAT (978 MHz) ADS-B (Data directly frm anther transmitting aircraft) ADS-R (Rebradcast f ADS-B data frm a grund statin) TIS-B (Bradcast f secndary surveillance radar) (SSR) derived traffic infrmatin frm a grund statin. FIS-B (Bradcast f aviatin data frm a grund statin) Prvide ADS-B traffic infrmatin and alerting t the pilt via an interfaced display AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B 190-00734-15 Rev. 3 FAA APPROVED Page 7 f 17
Crrelatin and cnslidatin f traffic data frm multiple traffic surces Aural and visual traffic alerting Prvide FIS-B data t the pilt via an interfaced display Graphical and textual weather prducts NEXRAD PIREPs AIRMET/SIGMETs METARs TAFs Winds Alft Aviatin Data TFRs NOTAMs 1.3 Capabilities The Garmin GTX 33X and GTX 3X5 as installed in this aircraft have been shwn t meet the equipment requirements f 14 CFR 91.227 when perating in accrdance with sectins 2.1 and 2.2 f this supplement. 1.4 Installatin Cnfiguratin This aircraft is equipped with a GTX 33X and/r GTX 3X5 with the fllwing interfaces/ features: 190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B Page 8 f 17 FAA APPROVED
Equipment Installed: Transpnder #1 GTX 330 GTX 330D GTX 33 GTX 33D GTX 335 GTX 335R GTX 345 GTX 345R Transpnder #2 (if installed) GTX 330 GTX 330D GTX 33 GTX 33D GTX 335 GTX 335R GTX 345 GTX 345R Interfaced GPS/SBAS Psitin Surce(s): GPS #1 GPS #2 (if installed) Internal Internal GTN 6XX/7XX Series GTN 6XX/7XX Series GNS 400W/500W Series GNS 400W/500W Series GNS 480 GNS 480 GIA 63W GDL 88 (GTX 330 nly) GIA 63W GDL 88 (GTX 330 nly) Interfaced Pressure Altitude Surce: Pressure Altitude Surce #1 Garmin Altitude Encder Pressure Altitude Surce #2 (if installed) Garmin Altitude Encder AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B 190-00734-15 Rev. 3 FAA APPROVED Page 9 f 17
Interfaced Remte Cntrl Display (Required fr remtely munted GTX variants): Transpnder #1 Remte Cntrl Display Transpnder #2 Remte Cntrl Display (if installed) GTN 6XX/7XX GNS 480 G950/1000 Display Gables 7534 Cntrller GTN 6XX/7XX GNS 480 G950/1000 Display Gables 7534 Cntrller Interfaced Active Traffic System: Nne TCAD TAS/TCAS NOTE If the system includes all f the fllwing cmpnents: GTX 345R, G950/1000 Display, and TCAD r TAS/TCAS Then the aircraft is n lnger equipped with a TSO cmpliant active TCAD, TAS r TCAS system. Any peratinal requirement t be equipped with such system is n lnger met. 190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B Page 10 f 17 FAA APPROVED
1.5 Definitins The fllwing terminlgy is used within this dcument: ADS-B: Autmatic Dependent Surveillance-Bradcast AFM: Airplane Flight Manual AFMS: Airplane Flight Manual Supplement ATCRBS: Air Traffic Cntrl Radar Beacn System CFR: ES: GNSS: GNS: GPS: GTX: GTN: ICAO: LRU: PABI: POH: SBAS: SW: TCAS: TIS: TX: Cde f Federal Regulatins Extended Squitter Glbal Navigatin Satellite System Garmin Navigatin System Glbal Psitining System Garmin Transpnder Garmin Tuchscreen Navigatr Internatinal Civil Aviatin Organizatin Line Replaceable Unit Pressure Altitude Bradcast Inhibit Pilt Operating Handbk Satellite-Based Augmentatin System Sftware Traffic Cllisin Avidance System Traffic Infrmatin Service Transmit AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B 190-00734-15 Rev. 3 FAA APPROVED Page 11 f 17
Sectin 2. LIMITATIONS 2.1 Minimum Equipment The GTX 33X and GTX 3X5 must have the fllwing system interfaces fully functinal in rder t be cmpliant with the requirements fr 14 CFR 91.227 ADS- B Out peratins: Interfaced Equipment Number Installed Number Required Uncrrected Pressure Altitude Surce 1 1 GPS SBAS Psitin Surce 1 r mre 1 Remte Cntrl Display (fr remtely munted transpnders) 1 r mre Table 2 Required Equipment 1 2.2 ADS-B Out The GTX 33X and GTX 3X5 nly cmply with 14 CFR 91.227 fr ADS-B Out when all required functins are peratinal. When the system is nt peratinal, ADS-B Out transmit failure messages will be present n the remte cntrl display interface, r the GTX 330 r GTX 3X5 panel display. If a Gables 7534 cntrller is being used the ADS-B equipment failure cnditin will be annunciated n the Gables display Transpnder Fail while the ADS-B Out Psitin failure will be annunciated by the remtely installed ADS-B POSN FAIL Annunciatr. 2.3 TIS Traffic Display with User Navigatin Angle Display f TIS traffic frm a GTX 33/330 r GTX 335 is nt permitted with an interfacing display cnfigured fr a navigatin angle f user. 190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B Page 12 f 17 FAA APPROVED
2.4 Applicable System Sftware This AFMS/AFM is applicable t the sftware versins shwn in Table 3. The Main GTX sftware versin is displayed n the splash screen during start up fr the GTX 330 and GTX 3X5 panel munted units, and the External LRU r System page n the interfaced remte cntrl display fr remtely munted GTX transpnders. Sftware Item Sftware Versin (r later FAA Apprved versins fr this STC) GTX 33X Main SW Versin 8.04 GTX 3X5 Main SW Versin 2.12 Table 3 - Sftware Versins 2.5 Pressure Altitude Bradcast Inhibit (PABI) Pressure Altitude Bradcast Inhibit shall nly be enabled when requested by Air Traffic Cntrl while perating within airspace requiring an ADS-B Out cmpliant transmitter. PABI is enabled by selecting the GTX t ON mde. 2.6 Datalinked Weather Display (GTX 345 Only) D nt use datalink weather infrmatin fr maneuvering in, near, r arund areas f hazardus weather. Infrmatin prvided by datalink weather prducts may nt accurately depict current weather cnditins. D nt use the indicated datalink weather prduct age t determine the age f the weather infrmatin shwn by the datalink weather prduct. Due t time delays inherent in gathering and prcessing weather data fr datalink transmissin, the weather infrmatin shwn by the datalink weather prduct may be significantly lder than the indicated weather prduct age. D nt rely slely upn datalink services t prvide Temprary Flight Restrictin (TFR) r Ntice t Airmen (NOTAM) infrmatin. 2.7 Prtable Electrnic Devices This STC des nt relieve the peratr frm cmplying with the requirements f 91.21 r any ther peratinal regulatin regarding prtable electrnic devices. AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B 190-00734-15 Rev. 3 FAA APPROVED Page 13 f 17
Sectin 3. EMERGENCY PROCEDURES 3.1 Emergency Prcedures N Change. 3.2 Abnrmal Prcedures 3.2.1 LOSS OF AIRCRAFT ELECTRICAL POWER GENERATION XPDR Circuit Breaker... PULL Transpnder and ADS-B Out functins will n lnger be available. NOTE This guidance is supplementary t any guidance prvided in the POH r AFM fr the installed aircraft fr lss f pwer generatin. 3.2.2 LOSS OF GPS/SBAS POSITION DATA When the GPS/SBAS receiver is inperative r GPS psitin infrmatin is nt available r invalid, the GTX will n lnger be transmitting ADS-B Out data. Fr GTX 330 installatins: NO ADSB annunciatr illuminated: Interfaced GPS psitin surces... VERIFY VALID POSITION Fr GTX 3X5 installatins: NO 1090ES TX annunciatr illuminated: Interfaced GPS psitin surces... VERIFY VALID POSITION Fr GTX 33 and GTX 3X5R installatins: Reference Display Device dcumentatin fr applicable annunciatin: Interfaced GPS psitin surces... VERIFY VALID POSITION 190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B Page 14 f 17 FAA APPROVED
Sectin 4. NORMAL PROCEDURES The prcedures described belw are specific nly t the panel munted GTX 330 r GTX 3X5 transpnders. Cckpit Reference Guides and Pilt Guides fr interfaced remte cntrl displays will prvide additinal perating infrmatin specific t the displays r ther traffic systems. ADS-B Out functinality resides within the GTX transpnders thereby prviding a single pint f entry fr Mde 3/A cde, Flight ID, IDENT functinality and activating r deactivating emergency status fr bth transpnder and ADS-B Out functins. Details n perfrming these prcedures are lcated in the GTX 330/330D Pilt s Guide and GTX 3X5 Series Transpnder Pilt s Guide. 4.1 Unit Pwer On Fr GTX 330 installatins: GTX Mde... VERIFY ALT NO ADSB... CONSIDERED Fr GTX 3X5 installatins: GTX Mde... VERIFY ALT NO 1090ES TX... CONSIDERED NOTE The NO ADS-B r NO 1090ES TX Annunciatin (r assciated display annunciatins) may illuminate as the unit pwers n and begins t receive input frm external systems, t include the SBAS psitin surce. AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B 190-00734-15 Rev. 3 FAA APPROVED Page 15 f 17
4.2 Befre Takeff Fr GTX 330 installatins: ADS-B TX... VERIFY ON NO ADSB... EXTINGUISHED Fr GTX 3X5 installatins: 1090ES TX CTL... VERIFY ON NO 1090ES TX... EXTINGUISHED NOTE The ADS-B TX r 1090ES TX CTL must be turned n and the NO ADS-B r NO 1090ES TX Annunciatin (r assciated display annunciatins) must be EXTINGUISHED fr the system t meet the requirements specified in 14 CFR 91.227. This system must be peratinal in certain airspaces after January 1, 2020 as specified by 14 CFR 91.225. Sectin 5. PERFORMANCE N change. Sectin 6. WEIGHT AND BALANCE See current weight and balance data. 190-00734-15 Rev. 3 AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B Page 16 f 17 FAA APPROVED
Sectin 7. SYSTEM DESCRIPTION The Garmin GTX 330 and GTX 3X5 Pilt s Guides, part numbers, and revisins listed belw cntain additinal infrmatin regarding GTX system descriptin, cntrl, and functin. Title Part Number Revisin GTX 330 Pilt s Guide GTX 3X5 Pilt s Guide 190-00207-00 190-01499-00 Rev. G (r later) Rev. A (r later) Pilt s Guides fr interfaced displays, part numbers and revisins listed belw, prvide additinal perating infrmatin fr the Garmin GTX 33 and GTX 3X5R. Garmin GTN 725/750 Pilt s Guide Title Part Number Revisin Garmin GTN 625/635/650 Pilt s Guide 190-01007-03 Rev. E (r later) 190-01004-03 Rev. E (r later) GNS 480 Pilt s Guide 190-00502-00 Rev. D (r later) GTX 3X5 Series Transpnder G1000 Pilt s Guide 190-01499-01 Rev. A (r later) 7.1 GTX TIS Behavir The TIS Standby/Operate cntrls fr GTX 33/330 and GTX 335 units nly functin when the aircraft is airbrne. 7.2 GTX 345R and G950/1000 N Bearing Traffic Alerts N visual indicatin is prvided fr n bearing traffic alerts. Only an aural indicatin f the n bearing traffic alert is prvided. If an aural alert fr n bearing traffic has been previusly issued, a n bearing traffic clear aural indicatin will be prvided nce all traffic alerts are reslved. All aural alerts are inhibited belw 500 AGL, therefre a n bearing traffic clear aural may nt be heard in a landing r tuch and g flight scenari. AFMS, Garmin GTN GPS/SBAS System 190-00734-15 Rev. 3 Page 17 f 17