Garmin GTX 33 Installation Manual - Page 68
GTX 33 Installation Manual, B-16, Rev. F
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Item # 72. 73. 74. 75. Table B-1. Version 1 ADS-B Field Approval Compliance Matrix AMC Section # 8.8.1 8.8.2 8.9 8.9.1 AMC Item Compliance Summary When an emergency status (i.e. discrete emergency code) has been selected by the flight crew, the emergency indicator needs to be set by the ADS-B transmit system. The Mode A code is monitored for correspondence to an emergency code. For ATC transponder-based ADS-B transmit systems, the discrete emergency code declaration capability should be integrated into the transponder functionality and should be controlled from the transponder control panel. The GTX 33 facilitates the transponder code entry function. Airworthiness Considerations regarding Optional Provisions Ground Velocity (OPTIONAL) Ground velocity, e.g. from an approved GNSS receiver, in the form of East/West and North/South Velocity (including a velocity quality indicator) is recommended to be provided. [Section heading, no compliance statement req'd] Garmin GNS/GTN Equipment: The GPS/SBAS source sends this data to the transponders when it has a position solution. Other: Special Position Identification (SPI) (OPTIONAL) For non-ATC transponder-based Not applicable - GTX 33 uses 76. 8.9.2 ADS-B transmit systems (i.e. installa- ATC transponder-based tions based on system. dedicated ADS-B transmitters), a dis- crete input or a control panel should be provided to trigger the SPI indica- tion. GTX 33 Installation Manual Page B-16 190-00906-00 Rev. F