Garmin ADS-B Installazione del sistema - Pagina 12
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Elliott Aviation Technical Products Development, Inc.
th
6601 74
Ave Building A
Milan, IL 61264
Instructions for Continued Airworthiness For Garmin ADS-B System Installation
2.4
GTX 3000 / GDL 88 / Shadin AMC Troubleshooting
Reported Issue
Transponder reporting:
Altitude
Transponder reporting:
Heading
Transponder reporting:
ADS-B - Air
Transponder reporting:
ADS-B - Surface
Transponder reporting:
Mode C
TCAS
RMU display is dashed, in
COMM & Transponder Segments
Commercial Off The Shelf ADS-B receiver devices are suitable for GO / NO GO confirmation that the
GTX 3000 transponders are transmitting GPS position. HOWEVER, only approved calibrated test
devices, such as the IFR 6000, may be used to confirm transponder output power and minimum trigger
levels as well as diversity isolation.
To conduct an in-depth as-installed complete functional check including UAT, qualified test equipment such as the
IFR 6000 will be required. Refer to specific test set instructions for operation and testing.
Steps
Observe or determine Honeywell
flight displays for air data
indications.
Observe or determine Honeywell
flight displays for heading
indications.
Observe or determine the ADS-B
annunciator status.
Not seen by flight crew, report
will come from ATC Ground.
Observe or determine the
Honeywell RMU annunciations.
Honeywell MFD: Observe status.
Swap #1 & #2 AMC
Report No.: ICA-3832-560
Dated 01/23/2018
If present and correct, GTX 3000
suspect wiring or configuration.
If present and correct, GTX 3000
suspect wiring or configuration.
If ADS-B annunciation OFF,
suspect GTX 3000 in use.
If ADS-B annunciation ON,
suspect GDL 88 LRU, wiring or
configuration.
Same as above for ADS-B
annunciation status.
If alternate GTX 3000 can be
controlled using Honeywell RMU,
suspect the GTX 3000 LRU.
Use the Test button on the front
of the TCAS processor and verify
errors displayed on the LED
lights.
IF fault follows LRU swap,
replace AMC Unit. If fault does
not follow check Wiring.
Revision: IR
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