This advisory circular (AC) provides guidance for the initial and follow-on installations of Automatic Dependent Surveillance – Broadcast (ADS-B) In systems supporting ground and airborne traffic applications. These applications are defined in TSOC195b, Avionics Supporting Automatic Dependent Surveillance – Broadcast (ADS-B) Aircraft Surveillance Applications (ASA).
a.Purpose.
3
b.Audience. 3
c.Scope. 3
d.Background.
4
e.System Overview. 6
f.Equipment Classes. 6
g.ADS-B Applications.
8
h.CDTI.
10
i.Alerts. 12
j.Airborne Surveillance and Separation Assurance Processing (ASSAP). 12
k.ADS-B In Receiver and Antenna. 13
l.Integration Considerations.
13
m.General. 16
n.Ground Tests.
16
o.Flight Tests.
18
Appendix ALatency Analysis 22
Appendix BSymbol Requirements for the CDTI 25
Appendix CATAS Integration with existing Traffic Alerting Avionics 33
Appendix DDefinitions, acronyms, and related documents 36
Appendix ERelated Documents 47
AC 20-140( ), Guidelines for Design Approval of Aircraft Data Link Communication Systems Supporting Air Traffic Services (ATS). 47
AC 20-149 ( ), Installation Guidance for Flight Information Service Broadcoast (FIS-B) 47
AC 20-151(), Airworthiness Approval of Traffic Alert and Collision Avoidance Systems (TCAS II), Versions 7.0 & 7.1 and Associated Mode S TranspondersAC 20-165(), Airworthiness Approval of Automatic Dependent Surveillance - Broadcast (ADSB) Out Systems. 47
AC 20-165 ( ), Airworthiness Approval of Automatic Dependent Surveillance Broadcast (ADSB) Out Systems 47
AC 23.1309-1( ), System Safety Analysis and Assessment for Part 23 Airplanes.
47
AC 23.1311-1( ), Installation of Electronic Display in Part 23 Airplanes. 47
AC 25-11( ), Electronic Flight Displays. 47
AC 25-1309-1( ), System Design and Analysis.
47
AC 25.1322-1( ), Flightcrew Alerting 47
AC 27-1( ), Certification of Normal Category Rotorcraft.
47
AC 29-2( ), Certification of Transport Category Rotorcraft.
47
AC 90-114( ), Automatic Dependent Surveillance-Broadcast (ADS-B) Operations. 47
AC 120-55 ( ), Air Carrier Operational Approval and Use of TCAS II
47
TSO-C118 ( ), Traffic Alert And Collision Avoidance System (TCAS) Airborne Equipment, TCAS- I. 47
TSOC119( ),Traffic Alert and Collision Avoidance System (TCAS) Airborne Equipment, TCAS II With Optional Hybrid Surveillance.
47
TSOC129( ), Airborne Supplemental Navigation Equipment Using the Global Positioning System (GPS).
47
TSOC145( ), Airborne Navigation Sensors Using the Global Positioning System (GPS) Augmented by the Wide Area Augmentation System (WAAS).
47
TSOC146( ), Stand-Alone Airborne Navigation Equipment Using the Global Positioning System (GPS) Augmented by the Wide Area Augmentation System (WAAS).
48
TSO-C147( ), Traffic Advisory System (TAS) Airborne Equipment. 48
TSOC154c, Universal Access Transceiver (UAT) Automatic Dependent Surveillance Broadcast (ADS-B) Equipment Operating on the Frequency of 978 MHz.
48
TSOC165a( ), Electronic Map Display Equipment for Graphical Depiction of Aircraft Position.
48
TSOC166b, Extended Squitter Automatic Dependent Surveillance - Broadcast (ADS-B) and Traffic Information Service - Broadcast (TIS-B) Equipment Operating on the Radio Frequency of 1090 Megahertz (MHz).
48
TSOC195( ), Avionics Supporting Automatic Dependent Surveillance - Broadcast (ADS-B) Aircraft Surveillance Applications (ASA). 48
RTCA/DO-160, Environmental Conditions and Test Procedures for Airborne Equipment 48
RTCA/DO-178C, Software Considerations in Airborne Systems and Equipment
Certification.
48
RTCA/DO-185, Minimum Operational Performance Standards for Traffic Alert and Collision Avoidance System II (TCAS II) Airborne Equipment 48
RTCA/DO-208, Minimum Operational Performance Standards for Airborne
Supplemental Navigation Equipment Using Global Positioning System (GPS).
48
RTCA/DO-229D, Minimum Operational Performance Standards for Global
Positioning System/Wide Area Augmentation System Airborne Equipment.
48
RTCA/DO-247, The Role of the Global Navigation Satellite System (GNSS) in Supporting Airport Surface Operations.
48
RTCA/DO-254, Design Assurance Guidance for Airborne Electronic Hardware.
48
RTCA/DO-257A, Minimum Operational Performance Standards for the Depiction of Navigational Information on Electronic Maps.
48
RTCA/DO-260B, Minimum Operational Performance Standards for 1090 MHz
Automatic Dependent Surveillance-Broadcast (ADS-B).
49
RTCA/DO-282B, Minimum Operational Performance Standards for Universal Access Transceiver (UAT) Automatic Dependent Surveillance-Broadcast (ADS-B). 49
RTCA/DO-306, Change 1. Safety and Performance Standard for Air Traffic Data Link Services in Oceanic and Remote Airspace (Oceanic SPR Standard).
49
RTCA/DO-316, Minimum Operational Performance Standards (MOPS) for Global Positioning System/Aircraft Based Augmentation System Airborne Equipment. 49
RTCA/DO-317B, Minimum Operational Performance Standards (MOPS) For Aircraft Surveillance Applications System (ASAS).
49
ARINC 718A, Mark 4 Air Traffic Control Transponder (ATCRBS/MODE S).
49
ARINC 735B, Mark 2 Traffic Alert and Collision Avoidance System (TCAS).
49
ARINC 738A, Air Data and Inertial Reference System (ADRS).
49
ARINC 743A, GNSS Sensor.
49
SAE ARP 4754A, Guidelines for Development of Civil Aircraft Systems.
49
SAE ARP 4761, Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment. 49
Figure 1. ADS-B In System Overview 5
Figure A-1. Traffic Latency Block Diagram
23
Figure A-2. Own-Ship Latency Block Diagram Simple Architecture 24
Figure A-3. Own-Ship Latency Block Diagram Alternate Architecture 24
Figure B-1. Basic Directional Symbol 25
Figure B-3. Directional and Non-directional On-ground Traffic Symbols 27
Figure B-4. Basic Surface Vehicle Symbol 27
Figure B-5. Proximate Directional and Non-directional Proximate Traffic Symbols 30
Figure B-6. Directional and Non-directional Designated Traffic Symbols 31
Figure B-7. Traffic Advisory Symbols 31
Figure B-8. Resolution Advisory Symbols 32
Figure C-1. Integration of TAS/TCAS I/TCAS II and ATAS 33
Figure C-2a. Examples of invalid TCAS I/TAS with ATAS installations 34
Figure C-2b. Examples of invalid TCAS I/TAS with ATAS installations (continued) 34
Figure C-3. Integrated configuration 34