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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
1.7
Abbreviations and Definitions:
1090ES
A transponder distinction. 1090 is the classic frequency of Secondary Surveillance Radar (SSR)
transponders. The addition of "ES" at the end signifies that the transponder is equipped with
Extended Squitter used by the ADS-B aircraft segment. Note that this class of transponder supports
Class "A" airspace (altitudes above 18,000 feet) operations. Typically, no FIS-B or TIS-B
functionality is included, compared to UAT.
AMM
Aircraft Maintenance Manual
DAH
Design Approval Holder. The FAA term that includes STC holders such as Elliott Aviation.
FIS-B
Flight Information System broadcast. A radio frequency service that transmits weather and
aeronautical products, either by satellite or ground based systems. Refer to FAA Advisory Circular
20-149A for thorough explanation.
Latency
The total time between when the position is measured and when the position is transmitted by the
aircraft. A 14 CFR §91.227 performance requirement for ADS-B broadcast systems. The collection
of specific equipment, interface and testing represented by this STC comprises an approved
Latency
OEM
Original Equipment Manufacturer.
SBS
Surveillance and Broadcast Service. Provided by the FAA. Ground based transmission at a
frequency of 978 MHz.
SDA
System Design Assurance. A 14 CFR §91.227 performance requirement for ADS-B broadcast
systems. The collection of specific equipment, interface and testing represented by this STC
comprises an approved SDA.
UAT
Universal Access Transceiver. A new device that supports the ADS-B aircraft segment at lower
altitudes (below 18,000 feet) Allows smaller aircraft that operate below Class "A" airspace a more
AMC
ARINC to Manchester Converter. Converts RSB databus to ARINC 429 and vice versa.
1.8
Precautions
Typical precautions are to be taken when accessing, removing, replacing, testing or inspecting these STC
modifications. Specific precautions will be addressed in context throughout this document.
1.9
Units of measurement:
Non- metric. English units including Inches, feet, etc..
Report No.: ICA-3832-560
Revision: IR
Dated 01/23/2018
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