Garmin GTX 3X5 Series Installation Manual page 184

CS-ACNS SECTION
CS ACNS.D.ELS.015 Data Transmission
(continued)
190-01499-02
Rev. 9
CS-ACNS ITEM DESCRIPTION
4. The Aircraft Identification as specified in
Item 7 of the ICAO flight plan or the aircraft
registration.
5. Special Position Indication (SPI).
6. Emergency status (Emergency, Radio
communication failure, Unlawful
interference).
7. The data link capability report.
8. The common usage GICB capability report.
9. The ICAO 24-bit aircraft address.
10. Aircraft that have ACAS II installed provide
the ACAS active resolution advisory report.
b) All other data transmitted is verified.
1. If the system transmits one or more
additional downlink airborne parameters in
addition to those listed in paragraph (a),
then the relevant sub specifications of CS
ACNS.D.EHS.015 are also complied with.
CS-ACNS Compliance Matrix
COMPLIANCE SUMMARY
4. The GTX units provide BDS register 20 (Aircraft
Identification) as configured by the installer, or
changed by the flight crew via panel mount push-
buttons or a compatible control device. BDS register
21 (Aircraft Registration) is provided as a constant
message.
5. FS (Flight Status) field in DF=4, 5, 20, and 21 replies
includes SPI/IDENT indication. SPI/IDENT is
commanded by flight crew via discrete input, panel
mount push button, or a compatible control device.
6. Emergency status is reported in DF=5 and 21 replies.
7. BDS register 10 (Data Link Capability Report) is
provided.
8. BDS register 17 (Common Usage Ground Initiated
Comm-B Capability Report) is provided
9. ICAO 24-bit aircraft address is provided in DF=11
squitters
10. Resolution Advisory (BDS 3,0) is transmitted as all
zeros, as the GTX units do not support an interface
with ACAS II
The installation data requires a transponder / ADS-B test
to be run IAW Part 43 applicable regulatory tests.
GTX 3X5 Transponder TSO Installation Manual
Page E-3