Garmin GTX 33 Installation Manual - Page 65
GTX 33 Installation Manual, Rev. F, B-13
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Item # 59. Table B-1. Version 1 ADS-B Field Approval Compliance Matrix AMC Section # 8.4.6.3 AMC Item Compliance Summary For GNSS systems compatible with (E)TSO C-129 (any revision), it is highly desired that the system incorporates Fault Detection and Exclusion capability as defined in AC 20-138A, Appendix 1, "GPS as a Primary Means of Navigation for Oceanic/Remote Operations". Garmin GNS/GTN Equipment: Meets the requirements for GPS as a Primary Means of Navigation for Oceanic/Remote Operations per FAA Advisory Circular 20-138A, Appendix 1. Other: Use of Alternative Compliant Position Data Sources As the ED-126 safety and Garmin GNS/GTN Equipment: Not applicable. performance assessments are based on the performance and characteris- Other: 60. 8.4.7 tics of GNSS systems, for alternative position sources a dedicated safety and performance assessment is required to demonstrate compliance with the ED126 requirements. Use of Temporary Back-up Position Data Sources Back-up position data sources not complying with the requirements referred to in section 8.4.3 may prove very useful in enhancing the continu- Garmin GNS/GTN Equipment: Not ity of ADS-B surveillance provision applicable. during temporary Other: 61. 8.4.8 outages of the primary (or equivalent alternative) position data sources. Any such back-up position data source needs to report its accuracy and integrity performance to the ADS-B transmit system, in a format compliant with ED-102/DO-260 or DO-260A, as appropriate. 62. 8.5 Barometric Altitude Data Sources [Section heading, no compliance statement req'd] 190-00906-00 Rev. F GTX 33 Installation Manual Page B-13