Garmin | GTX 335 | Garmin GTX 335 AFMS Garmin GTX 33X and GTX 3X5 Transponders with ADS-B

Garmin GTX 335 AFMS Garmin GTX 33X and GTX 3X5 Transponders with ADS-B
LOG OF REVISIONS
Page
Revision
Number
1
Date
Number
Description
05/01/2013
All
Complete
Supplement
FAA Approved
Robert Murray
Robert Murray
ODA STC Unit Administrator
Garmin International, Inc.
ODA-240087-CE
Date: 05/01/2013
2
03/08/2016
All
New supplement
format with GTX
3X5 added.
Michael Warren
Michael Warren
ODA STC Unit Administrator
Garmin International, Inc.
ODA-240087-CE
Date: 03/08/2016
3
4
12/07/2017
09/09/2019
190-00734-15 Rev. 4
Page 2 of 18
All
4, 6, 7,
9, 11,
13, 14,
18
Updated SW
versions and
removed section
3.2.3. Updated
section 2.2
Corrected PED
FAR reference
and additional
minor
corrections.
Erik Frisk
Added GTX
diversity units,
updated SW
versions,
expanded
allowed remote
control panels,
and incorporated
other minor
changes
See cover page 1
Erik Frisk
ODA STC Unit Administrator
Garmin International, Inc.
ODA-240087-CE
Date: 12/21/2017
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
Table of Contents
SECTION
Section 1. GENERAL
1.1 GTX 33X
1.2 GTX 3X5
1.3 Capabilities
1.4 Installation Configuration
1.5 Definitions
Section 2. LIMITATIONS
2.1 Minimum Equipment
2.2 ADS-B Out
2.3 TIS Traffic Display with User Navigation Angle
2.4 Applicable System Software
2.5 Pressure Altitude Broadcast Inhibit (PABI)
2.6 Datalinked Weather Display (GTX 345 Only)
2.7 Portable Electronic Devices
Section 3. EMERGENCY PROCEDURES
3.1 Emergency Procedures
3.2 Abnormal Procedures
Section 4. NORMAL PROCEDURES
4.1 Unit Power On
4.2 Before Takeoff
Section 5. PERFORMANCE
Section 6. WEIGHT AND BALANCE
Section 7. SYSTEM DESCRIPTION
7.1 GTX TIS Behavior
7.2 GTX 345R and G950/1000 No Bearing Traffic Alerts
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
PAGE
4
4
6
8
9
12
13
13
13
13
14
14
14
14
15
15
15
16
16
17
17
17
18
18
18
190-00734-15 Rev. 4
Page 3 of 18
Section 1. GENERAL
1.1 GTX 33X
The Garmin GTX 33X family consists of the GTX 330 ES and GTX 33 ES (NonDiversity Mode S Transponders) and the GTX 330D ES and GTX 33D ES
(Diversity Mode S Transponders). The ES option of any of the transponders
provides ADS-B extended squitter functionality.
All Garmin GTX 33X transponders are a radio transmitter/receiver that operates on
radar frequencies, receiving ground radar or TCAS interrogations at 1030 MHz and
transmitting a coded response of pulses to ground-based radar on a frequency of
1090 MHz. Each unit is equipped with IDENT capability to initiate the SPI (special
position identification) pulse for 18 seconds and will reply to ATCRBS Mode A,
Mode C and Mode S All-Call interrogation. Interfaces to the GTX 33X are shown
in the following block diagrams.
Figure 1 – GTX 330 or GTX 330D Interface Summary
190-00734-15 Rev. 4
Page 4 of 18
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
Figure 2 – GTX 33 or GTX 33D Interface Summary
The GTX 33X performs the following functions:

Transmission of ADS-B out data on 1090 extended squitter (1090 MHz)
o
o
Integration of data from internal and external sources to transmit the
following data per 14 CFR 91.227:

GPS Position, Altitude, and Position Integrity

Ground Track and/or Heading, Ground Speed, and Velocity Integrity

Air Ground Status

Flight ID, Call Sign, ICAO Registration Number

Capability and Status Information

Transponder Squawk Codes between 0000-7777.

Emergency Status

IDENT - initiates SPI (special position identification) pulse for 18
seconds
Pressure Altitude Broadcast Inhibit

Reception of TIS-A traffic data from a ground station

Provides TIS-A traffic alerting to the pilot via interfaced display and audio
output
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
190-00734-15 Rev. 4
Page 5 of 18
1.2
GTX 3X5
The Garmin GTX 3X5 family consists of the GTX 335, 335D, 335R, 335DR, 345,
345D, 345R, and 345DR transponders. The functional differences between each of
these transponders are described in Table 1. Transponder models with a “D”
designation are diversity capable and support both a top fuselage and bottom
fuselage antenna.
Function
Panel mount
Remote mount
Mode S
ADS-B (out)
ADS-B Traffic
FIS-B
Internal GPS
Bluetooth
Optional
Garmin
Altitude
Encoder
GTX
335/
335D
x
GTX
335
w/GPS
x
x
x
x
x
GTX
335R/
335DR
GTX
335R
w/GPS
x
x
x
x
x
x
x
x
x
GTX
345/
345D
x
GTX
345
w/GPS
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
GTX
345R/
345DR
GTX
345R
w/GPS
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Table 1 – GTX 3X5 Unit Configurations
Interfaces to the GTX 3X5 are shown in Figure 3.
190-00734-15 Rev. 4
Page 6 of 18
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
Figure 3 – GTX 3X5 Interface Summary
The GTX 3X5 performs the following functions:

Transmission of ADS-B out data on 1090 extended squitter (1090 MHz)
o
o
Integration of data from internal and external sources to transmit the
following data per 14 CFR 91.227:

GPS Position, Altitude, and Position Integrity

Ground Track and/or Heading, Ground Speed, and Velocity Integrity

Air Ground Status

Flight ID, Call Sign, ICAO Registration Number

Capability and Status Information

Transponder Squawk Codes between 0000-7777.

Emergency Status

IDENT - initiates SPI (special position identification) pulse for 18
seconds
Pressure Altitude Broadcast Inhibit
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
190-00734-15 Rev. 4
Page 7 of 18
The GTX 335 performs the following additional functions:

Reception of TIS-A traffic data from a ground station

Provide TIS-A traffic alerting to the pilot via interfaced display and audio
output.
The GTX 345 performs the following additional functions:




Reception of ADS-B In data on 1090 MHz
o
ADS-B (Data directly from another transmitting aircraft)
o
ADS-R (Rebroadcast of ADS-B data from a ground station)
Reception of ADS-B In data on UAT (978 MHz)
o
ADS-B (Data directly from another transmitting aircraft)
o
ADS-R (Rebroadcast of ADS-B data from a ground station)
o
TIS-B (Broadcast of secondary surveillance radar) (SSR) derived traffic
information from a ground station.
o
FIS-B (Broadcast of aviation data from a ground station)
Provide ADS-B traffic information and alerting to the pilot via an interfaced
display
o
Correlation and consolidation of traffic data from multiple traffic sources
o
Aural and visual traffic alerting
Provide FIS-B data to the pilot via an interfaced display
o
o
1.3
Graphical and textual weather products

NEXRAD

PIREPs

AIRMET/SIGMETs

METARs

TAFs

Winds Aloft
Aviation Data

TFRs

NOTAMs
Capabilities
190-00734-15 Rev. 4
Page 8 of 18
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
The Garmin GTX 33X and GTX 3X5 as installed in this aircraft have been shown
to meet the equipment requirements of 14 CFR § 91.227 when operating in
accordance with sections 2.1 and 2.2 of this supplement.
1.4
Installation Configuration
This aircraft is equipped with a GTX 33X and/or GTX 3X5 with the following
interfaces/ features:
Equipment Installed:
Transponder #1
Transponder #2 (if installed)
 GTX 330
 GTX 330
 GTX 330D
 GTX 330D
 GTX 33
 GTX 33
 GTX 33D
 GTX 33D
 GTX 335
 GTX 335
 GTX 335D
 GTX 335D
 GTX 335R
 GTX 335R
 GTX 335DR
 GTX 335DR
 GTX 345
 GTX 345
 GTX 345D
 GTX 345D
 GTX 345R
 GTX 345R
 GTX 345DR
 GTX 345DR
Interfaced GPS/SBAS Position Source(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
 GIA 63W
 GDL 88 (GTX 330 only)
 GDL 88 (GTX 330 only)
Interfaced Pressure Altitude Source:
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
190-00734-15 Rev. 4
Page 9 of 18
Pressure Altitude Source #1
Pressure Altitude Source #2 (if installed)
_____________________
_____________________
 Garmin Altitude Encoder
 Garmin Altitude Encoder
190-00734-15 Rev. 4
Page 10 of 18
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
Interfaced Remote Control Display (Required for remotely mounted GTX
variants):
Transponder #1 Remote Control
Display
Transponder #2 Remote Control Display
(if installed)
 GTN 6XX/7XX
 GTN 6XX/7XX
 GNS 480
 GNS 480
 G950/1000 Display
 G950/1000 Display
 Gables 7534 Controller
 Gables 7534 Controller
 Gables 7614 Controller
 Gables 7614 Controller
 CTL-92 Controller
 CTL-92 Controller
 CTL-92E Controller
 CTL-92E Controller
Interfaced Active Traffic System:
 None
 TCAD
 TAS/TCAS
NOTE
If the system includes all of the following components:



GTX 345R or GTX 345DR,
G950/1000 Display, and
TCAD or TAS/TCAS
Then the aircraft is no longer equipped with a TSO compliant active TCAD, TAS or
TCAS system. Any operational requirement to be equipped with such system is no
longer met.
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
190-00734-15 Rev. 4
Page 11 of 18
1.5
Definitions
The following terminology is used within this document:
ADS-B: Automatic Dependent Surveillance-Broadcast
AFM:
Airplane Flight Manual
AFMS: Airplane Flight Manual Supplement
ATCRBS: Air Traffic Control Radar Beacon System
CFR:
Code of Federal Regulations
ES:
Extended Squitter
GNSS:
Global Navigation Satellite System
GNS:
Garmin Navigation System
GPS:
Global Positioning System
GTX:
Garmin Transponder
GTN:
Garmin Touchscreen Navigator
ICAO:
International Civil Aviation Organization
LRU:
Line Replaceable Unit
PABI:
Pressure Altitude Broadcast Inhibit
POH:
Pilot Operating Handbook
SBAS:
Satellite-Based Augmentation System
SW:
Software
TCAS:
Traffic Collision Avoidance System
TIS:
Traffic Information Service
TX:
Transmit
190-00734-15 Rev. 4
Page 12 of 18
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
Section 2. LIMITATIONS
2.1
Minimum Equipment
The GTX 33X and GTX 3X5 must have the following system interfaces fully
functional in order to be compliant with the requirements for 14 CFR 91.227 ADSB Out operations:
Number Installed
Number
Required
1
1
GPS SBAS Position Source
1 or more
1
Remote Control Display (for
remotely mounted transponders)
1 or more
Interfaced Equipment
Uncorrected Pressure Altitude
Source
1
Table 2 – Required Equipment
2.2
ADS-B Out
The GTX 33X and GTX 3X5 only comply with 14 CFR 91.227 for ADS-B Out
when all required functions are operational. When the system is not operational,
ADS-B Out transmit failure messages will be present on the remote control display
interface, or the GTX 330 or GTX 3X5 panel display. If a Gables 7534 controller or
Collins CTL-92/92E controller is being used the ADS-B equipment failure
condition will be annunciated on the Gables or Collins display “Transponder Fail”
while the ADS-B Out Position failure will be annunciated by the remotely installed
“ADS-B POSN FAIL” Annunciator.
2.3 TIS Traffic Display with User Navigation Angle
Display of TIS traffic from a GTX 33/330 or GTX 335 is not permitted with an
interfacing display configured for a navigation angle of “user”.
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
190-00734-15 Rev. 4
Page 13 of 18
2.4 Applicable System Software
This AFMS/AFM is applicable to the software versions shown in Table 3.
The Main GTX software version is displayed on the splash screen during start up
for the GTX 330 and GTX 3X5 panel mounted units, and the External LRU or
System page on the interfaced remote control display for remotely mounted GTX
transponders.
Software Version
Software Item
(or later FAA Approved versions
for this STC)
GTX 33X Main SW Version
8.04
GTX 3X5 Main SW Version
2.54
Table 3 - Software Versions
2.5 Pressure Altitude Broadcast Inhibit (PABI)
Pressure Altitude Broadcast Inhibit shall only be enabled when requested by Air
Traffic Control while operating within airspace requiring an ADS-B Out compliant
transmitter. PABI is enabled by selecting the GTX to ON mode.
2.6 Datalinked Weather Display (GTX 345 Only)
Do not use datalink weather information for maneuvering in, near, or around areas
of hazardous weather. Information provided by datalink weather products may not
accurately depict current weather conditions.
Do not use the indicated datalink weather product age to determine the age of the
weather information shown by the datalink weather product. Due to time delays
inherent in gathering and processing weather data for datalink transmission, the
weather information shown by the datalink weather product may be significantly
older than the indicated weather product age.
Do not rely solely upon datalink services to provide Temporary Flight Restriction
(TFR) or Notice to Airmen (NOTAM) information.
2.7 Portable Electronic Devices
This STC does not relieve the operator from complying with the requirements of
91.21 or any other operational regulation regarding portable electronic devices.
190-00734-15 Rev. 4
Page 14 of 18
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
Section 3. EMERGENCY PROCEDURES
3.1
Emergency Procedures
No Change.
3.2
3.2.1
Abnormal Procedures
LOSS OF AIRCRAFT ELECTRICAL POWER GENERATION
XPDR Circuit Breaker ................................................................................. PULL
Transponder and ADS-B Out functions will no longer be available.
NOTE
This guidance is supplementary to any guidance provided in the POH or AFM for
the installed aircraft for loss of power generation.
3.2.2 LOSS OF GPS/SBAS POSITION DATA
When the GPS/SBAS receiver is inoperative or GPS position information is not
available or invalid, the GTX will no longer be transmitting ADS-B Out data.
For GTX 330 installations:
NO ADSB annunciator illuminated:
Interfaced GPS position sources ........................... VERIFY VALID POSITION
For GTX 3X5 installations:
NO 1090ES TX annunciator illuminated:
Interfaced GPS position sources ........................... VERIFY VALID POSITION
For GTX 33 and GTX 3X5R installations:
Reference Display Device documentation for applicable annunciation:
Interfaced GPS position sources ........................... VERIFY VALID POSITION
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
190-00734-15 Rev. 4
Page 15 of 18
Section 4. NORMAL PROCEDURES
The procedures described below are specific only to the panel mounted GTX 330 or
GTX 3X5 transponders. Cockpit Reference Guides and Pilot Guides for interfaced
remote control displays will provide additional operating information specific to the
displays or other traffic systems.
ADS-B Out functionality resides within the GTX transponders thereby providing a
single point of entry for Mode 3/A code, Flight ID, IDENT functionality and
activating or deactivating emergency status for both transponder and ADS-B Out
functions. Details on performing these procedures are located in the GTX 330/330D
Pilot’s Guide and GTX 3X5 Series Transponder Pilot’s Guide.
4.1
Unit Power On
For GTX 330 installations:
GTX Mode..................................................................................... VERIFY ALT
NO ADSB ................................................................................... CONSIDERED
For GTX 3X5 installations:
GTX Mode..................................................................................... VERIFY ALT
NO 1090ES TX .......................................................................... CONSIDERED
NOTE
The NO ADS-B or NO 1090ES TX Annunciation (or associated display
annunciations) may illuminate as the unit powers on and begins to receive input
from external systems, to include the SBAS position source.
190-00734-15 Rev. 4
Page 16 of 18
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
4.2
Before Takeoff
For GTX 330 installations:
ADS-B TX........................................................................................ VERIFY ON
NO ADSB .............................................................................. EXTINGUISHED
For GTX 3X5 installations:
1090ES TX CTL .............................................................................. VERIFY ON
NO 1090ES TX ...................................................................... EXTINGUISHED
NOTE
The ADS-B TX or 1090ES TX CTL must be turned on and the NO ADS-B or NO
1090ES TX Annunciation (or associated display annunciations) must be
EXTINGUISHED for the system to meet the requirements specified in 14 CFR
91.227. This system must be operational in certain airspaces after January 1, 2020
as specified by 14 CFR 91.225.
Section 5. PERFORMANCE
No change.
Section 6. WEIGHT AND BALANCE
See current weight and balance data.
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
190-00734-15 Rev. 4
Page 17 of 18
Section 7. SYSTEM DESCRIPTION
The Garmin GTX 330 and GTX 3X5 Pilot’s Guides, part numbers, and revisions
listed below contain additional information regarding GTX system description,
control, and function.
Title
GTX 330 Pilot’s Guide
GTX 3X5 Pilot’s Guide
Part Number
190-00207-00
190-01499-00
Revision
Rev. G (or later)
Rev. A (or later)
Pilot’s Guides for interfaced displays, part numbers and revisions listed below,
provide additional operating information for the Garmin GTX 33 and GTX 3X5R.
Title
Garmin GTN 725/750
Pilot’s Guide
Garmin GTN 625/635/650
Pilot’s Guide
GNS 480 Pilot’s Guide
GTX 3X5 Series
Transponder G1000 Pilot’s
Guide
Part Number
Revision
190-01007-03
Rev. E (or later)
190-01004-03
Rev. E (or later)
190-00502-00
Rev. D (or later)
190-01499-01
Rev. A (or later)
7.1 GTX TIS Behavior
The TIS Standby/Operate controls for GTX 33/330 and GTX 335/335D units only
function when the aircraft is airborne.
7.2 GTX 345R/345DR and G950/1000 No Bearing Traffic Alerts
No visual indication is provided for no bearing traffic alerts. Only an aural
indication of the no bearing traffic alert is provided. If an aural alert for no bearing
traffic has been previously issued, a “no bearing traffic clear” aural indication will
be provided once all traffic alerts are resolved.
All aural alerts are inhibited below 500’ AGL, therefore a “no bearing traffic clear”
aural may not be heard in a landing or touch and go flight scenario.
190-00734-15 Rev. 4
Page 18 of 18
AFMS, Garmin GTX 33X and 3X5 XPDR with ADS-B
FAA APPROVED
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