Garmin | GTS™ 825 TAS | Garmin GTS™ 825 TAS AFMS, GTS 8XX Part 23 AML STC

Garmin GTS™ 825 TAS AFMS, GTS 8XX Part 23 AML STC
LOG OF REVISIONS
Rev.
Section
1
All
Initial release.
Description
See Page 1
2
All
Updated for GTS 8X0 v4.12 and
GTS 8X5 v3.12
See Page 1
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
FAA Approval
190-01279-02 Rev. 2
Page 2 of 12
Table of Contents
SECTION
Section 1. GENERAL
1.1 System Overview
1.2 TAS / TCAS I Capability
1.3 ADS-B IN Capability
1.4 Definitions
Section 2. LIMITATIONS
2.1 Intended Use
2.2 Operate/Standby Mode Selection
2.3 Sandel EHSI Placard
Section 3. EMERGENCY PROCEDURES
3.1 Emergency Procedures
3.2 Abnormal Procedures
Section 4. NORMAL PROCEDURES
4.1 After Takeoff
4.2 Traffic Advisory
4.3 After Landing
Section 5. PERFORMANCE
Section 6. WEIGHT AND BALANCE
Section 7. SYSTEM DESCRIPTION
7.1 Pilot’s Guide
7.2 Power Sources
7.3 Traffic System Controls
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
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190-01279-02 Rev. 2
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Section 1. GENERAL
1.1
System Overview
The Garmin GTS 8XX is a family of active traffic surveillance systems. Each
system consists of a Processor, an Amplifier Module (GTS 820 & 850 only),
one or two antennas, and interfaces to various aircraft systems. The GTS 800,
820, and 825 are Traffic Advisory Systems (TAS). The GTS 850 and 855 are
Traffic Alert and Collision Avoidance Systems (TCAS I).
Except where specifically noted in this document, references made to the:
• “GTS 8XX” will equally apply to the GTS 800/820/850/825/855 traffic
systems
• “GTS 8X0” will equally apply to the GTS 800/820/850 traffic systems
• “GTS 8X5” will equally apply to the GTS 825/855 traffic systems
Figure 1 GTS 8X5 Processor
One directional antenna is installed on top of the aircraft. Optionally, a second
antenna may be installed on the bottom of the aircraft. This bottom antenna may
be either a directional antenna or an omni-directional antenna.
Figure 2 Directional Antenna Types
Figure 3 Omni-Directional Antenna
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
190-01279-02 Rev. 2
Page 4 of 12
The following interfaces are required for GTS 8XX operation:
• Pressure altitude input
• Traffic display and control interface
• Output to audio system
• Transponder interface (optional for the GTS 800)
Optionally, the GTS 8XX may receive the following inputs:
• Radar altimeter
• GPS position/altitude/groundspeed
• Magnetic heading
• Landing gear position
• Air/ground state (e.g. squat switch)
1.2
TAS / TCAS I Capability
The capability of active traffic surveillance depends on the model of GTS
processor installed:
•
GTS 800 / 820 / 825 Traffic Advisory System (TAS)
TSO-C147
Aural message played after successful self-test:
“TAS System Test Passed”
OR
•
1.3
GTS 850 / 855 Traffic Alert and Collision Avoidance System (TCAS I)
TSO-C118
Aural message played after successful self-test:
“TCAS I System Test Passed”
ADS-B IN Capability
GTS 8XX systems can receive ADS-B IN data transmitted on 1090 MHz. The
following traffic types can be displayed:
ADS-B
ADS-R
TIS-B
Data obtained via direct air-to-air broadcast
from another 1090 ADS-B OUT-equipped
aircraft.
Data obtained via ground station
rebroadcast from other 978 UAT ADS-B
OUT-equipped aircraft.
Data obtained via ground station broadcast
of secondary surveillance radar-derived
traffic information. TIS-B targets are notADS-B out-equipped.
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
190-01279-02 Rev. 2
Page 5 of 12
ADS-B IN traffic information may be displayed along with active traffic to
provide amplifying information about airborne and ground targets within the
detection range of the active traffic system and ADS-B IN coverage area. When
ADS-B IN is active, GTS may receive ADS-B, ADS-R, or TIS-B for an intruder
aircraft that can’t be tracked with active surveillance. Such targets are tracked
with ADS-B IN only, and are included in the display of traffic. GTS will
generate alerts for targets tracked with ADS-B IN only. An approved GPS
source is required to display ADS-B IN derived traffic data.
The GTS 8XX systems can correlate active traffic targets with ADS-B IN traffic
targets. When correlated, each active and ADS traffic target merges to become
one symbol, but retains all of the information (when available) from active and
ADS traffic detection, including threat prioritization, relative positioning,
identification, track, and closure rate. When a correlation is made, only the
active or ADS traffic with the most accurate information is displayed to the
flight crew. Traffic targets are not duplicated when correlated.
1.4
Definitions
The following terminology is used within this document:
ADS-B:
Automatic Dependent Surveillance Broadcast
ADS-R:
Automatic Dependent Surveillance-Rebroadcast
ADS-B IN:
Reception of Automatic Dependent Surveillance
Broadcast
GPS:
Global Positioning System
TA:
Traffic Advisory
TAS:
Traffic Advisory System
TIS-B:
Traffic Information Service-Broadcast
TCAS:
Traffic Alert and Collision Avoidance System
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
190-01279-02 Rev. 2
Page 6 of 12
Section 2. LIMITATIONS
2.1
Intended Use
The display of traffic and traffic alerting is intended as an aid to visual
acquisition of traffic. The traffic display and alerts may not be used as the sole
basis for aircraft maneuvering.
2.2
Operate/Standby Mode Selection
CAUTION
Manual selection of operate mode after an automatic
transition to standby mode while in air may temporarily cause
traffic that is at or below the current altitude to not be
displayed.
2.3
Sandel EHSI Placard
Near each Sandel EHSI traffic display:
USE TFC TST TO CHANGE ALT MODE
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
190-01279-02 Rev. 2
Page 7 of 12
Section 3. EMERGENCY PROCEDURES
3.1
Emergency Procedures
No change.
3.2
Abnormal Procedures
3.2.1 Electrical Load Shedding
The GTS 8XX family of traffic systems is considered to be non-essential
equipment. If it becomes necessary to reduce electrical load (for example,
during loss of generators or alternators), power to the GTS 8XX system may be
removed by pulling the following circuit breaker.
“TAS/TCAS” circuit breaker ....................................................................... PULL
NOTE
This guidance is supplementary to any guidance provided in
the POH or AFM for load shedding.
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
190-01279-02 Rev. 2
Page 8 of 12
Section 4. NORMAL PROCEDURES
4.1
After Takeoff
Traffic Mode ............................................................. CHECK OPERATIONAL
NOTE
Installations with ADS-B IN enabled will automatically
display ADS ground and air targets while the system is in
standby on the ground.
NOTE
Installations with GPS or air/ground input (e.g. squat switch)
will automatically transition to operate mode and display
correlated active traffic and ADS traffic (if enabled) after
takeoff.
NOTE
Refer to 14 CFR §91.221(b) for requirements regarding the
operation of the GTS 8X5 TCAS I systems.
4.2
Traffic Advisory
A Traffic Advisory (TA) is indicated by a voice callout that begins with
“Traffic!” and may include the bearing (clock position), relative altitude, and
distance of the TA intruder. The traffic display(s) will visually depict the
relative position of the TA intruder(s). Correlated active and ADS TAs may
also show target aircraft track, identification, and closure rate (when available).
Refer to the traffic display documentation for details on how TAs are depicted
on a specific display.
TA Intruder(s) ................................................................ VISUALLY ACQUIRE
4.3
After Landing
Traffic Mode ........................................................................................STANDBY
NOTE
Installations with a GPS or air/ground input (e.g., squat
switch) will automatically transition to standby mode after
landing and active traffic targets will be removed from the
traffic display. If ADS IN is enabled, ADS ground and air
targets will be displayed while the system is in standby on the
ground.
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
190-01279-02 Rev. 2
Page 9 of 12
NOTE
The GTS 8XX active traffic system is intended to be operated
while airborne. Extended operation of the system in operate
mode on the ground may result in undesired active traffic
system alerts.
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
190-01279-02 Rev. 2
Page 10 of 12
Section 5. PERFORMANCE
No change.
Section 6. WEIGHT AND BALANCE
No change to loading procedures.
See current weight and balance records for changes to empty weight and CG
resulting from the GTS 8XX installation.
AFMS, GTS 8XX Part 23 AML STC
FAA APPROVED
190-01279-02 Rev. 2
Page 11 of 12
Section 7. SYSTEM DESCRIPTION
7.1
Pilot’s Guide
The Pilot’s Guide listed below contains additional information regarding the
GTS 8XX features and functions.
 GTS Traffic Systems Pilot’s Guide .................... Part Number 190-00587-02
7.2
Power Sources
The GTS 8XX receives power via a circuit breaker labeled “TAS/TCAS.”
7.3
Traffic System Controls
Control of the traffic system is typically performed from the traffic display. For
information on the traffic system controls specific to each display, refer to that
display’s system documentation.
External control switches for the traffic system may be optionally installed and
are required for use with some traffic displays. The function of these switches,
if installed, is described below.
TRAFFIC OPR/SBY (or TFC OPR/SBY)
When pressed, this switch toggles the traffic mode between “operate” and
“standby” modes.
TRAFFIC TST (or TFC TEST)
When pressed, this switch initiates a self-test of the traffic system. A self-test
can only be initiated while the traffic system is in standby mode.
Sandel EHSI displays will cycle through traffic altitude filter modes
(NRM/ABV/BLW/UNR) when this switch is pressed during operate mode. A
placard near the affected EHSI display indicates that this switch performs this
additional function.
AFMS, GTS 8XX Part 23 AML STC
190-01279-02 Rev. 2
Page 12 of 12
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