190-01499-01 Rev. A
GTX 3X5 Series Transponder G1000 Pilot’s Guide
2-1
Copyright Information
2 – ADS-B IN TRAFFIC (345 ONLY)
2 ADS-B IN TRAFFIC (345 ONLY)
NOTE
Inherent inaccuracies exist in TIS-B and TAS/TCAS traffic position data.
Because of this the GTX 345 may at times be unable to correlate targets from
multiple sources for the same aircraft. When this occurs, a single aircraft is
tracked and displayed as two co-located targets.
The GTX 345 receives ADS-B traffic data (ADS-B, ADS-R, TIS-B) through the UAT
(978 MHz) and the 1090 MHz receivers. The GTX 345 may also receive traffic data from
configured TAS/TCAS/TCAD. Traffic data is received, processed, and outputted to a
connected display without pilot interaction. Traffic data may also be displayed on a PED
(e.g., tablet) via the built-in Bluetooth interface. Bluetooth is always in pairing mode.
2.1
Traffic Integration and Operation
To optimize situational awareness, the GTX 345 correlates TCAD/TAS/TCAS with ADS-B
In traffic, combining data from all sources to create the most accurate and comprehensive
traffic picture. When a correlation is made, the most relevant target is displayed. There are
no duplicates. Any active traffic system, or ADS-B traffic that is not correlated, is also
displayed.
When a TAS/TCAS system is installed and interfaced to the GTX 345, the “STANDBY,”
“NORMAL,” and “TEST” soft keys are no longer displayed, as pilot control is not
required. Refer to figure 2-1 for the ADS-B and TAS/TCAS display.
The active traffic system is automatically placed in standby mode when on the ground,
and the display of traffic is through the ADS-B system. When in the air, the active traffic
system is automatically placed in operate mode and the display of traffic is through the
ADS-B system and (if installed) the aircraft’s active traffic system.
ADS-B
Data transmitted directly from other aircraft.
ADS-R
Ground station rebroadcast of ADS-B data after data link translation (UAT to 1090 MHz
or 1090 MHz to UAT). This function aids aircrafts only operating one frequency.
TIS-B
Ground station broadcast of secondary surveillance radar (SSR) derived traffic.
Summary of Contents for 3X5/G1000 Series
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