Validation Testing Briefing

Validation Testing Activities

W J Hughes Technical CenterUAT SARPS SubgroupSeptember 15-17, 2004

UAT Ground Station Lab Test Configuration

Garmin AT GDL90 UAT

Avionics

SensisGround Based

Transceiver

MX020 Display

UAT Message Generator

GBT Local Maintenance

Ground Interface Recorder

GPS

Garmin AT UAT Transceiver

Sensis Ground Based Transceiver

UAT RF Message Generator

Technical Center UAT Test Lab

MX020 Avionics Display

CAPSTONE/ SARPS Validation Flight Tests

• Three Flight Tests Conducted to Date– July 29, 2004– August 11, 2004– August 25, 2004

• All Flight Tests included TSO’d avionics• UAT Ground Stations installed at the Tech

Center• MEARTS testing of ADS-B data from

aircraft

Flight Test Photos

Equipment Pallatte

UAT Datalink (GDL90) w/ GPS sensor

Equipment Pallate in N39UAT Datalink (GDL90)

GPS Reference Receiver

Antenna Patch Panel (N39)

UAT Belly Antenna (N39)

UAT Belly Antenna (N39)

UAT Top Antenna (N39)

N39 Ready to Go

ATC Automation (MEARTS) During Flight Test (ADS-B Source Only)

N49 ~60 NM SE

N39 ~90 NM NW

GBT Site (FAATC)

GBT Installation at Tech Center

GBT Antenna Installation

Antenna Installation

Flight Test #1

• July 29, 2004 Flight Test at Technical Center– Convair N49 aircraft to a flight level of just below

14,000 feet• Radial from GBT to about 140 nmiles and return• Finished with circular patterns within 10 miles of GBT to test

Micro EARTS (MEARTS) ADS-B Message Processing of Flight ID changes and airborne alert/status reporting

– Sensis GBT connected to Capstone Communications and Control System (CCCS) and MicroEARTS

– N49 aircraft with installed TSO’d Garmin AT GDL90 UAT avionics

– ADS-B messages received through the GBT recorded and analyzed

Flight Test #1 Systems

• Technical Center Project Aircraft– N49 Convair with UAT TSO’d avionics

• Garmin GDL90 connected to operate as A1H independent of other aircraft avionics

– Connected and operated with top and bottom antenna– MX020 Display connected to UAT– Altitude data provided by aircraft – GPS receiver self contained in Garmin avionics– Operation controlled by project personnel independent of pilots

• GBT• Sensis Pre-Production installed at the Technical Center

– Sited with antenna on Mock Tower Cab on Main Building with CAPSTONE Phase 1 antenna

– Connected to CCCS using serial interface at 19.2 Kb– Test Tool recorder connected at GBT output to record and monitor data

Flight Test #1 Systems - 2

• CCCS– Capstone Communications Controller part of Ground

Systems required to interface to ATC• Routes ADS-B Messages to MEARTS• Receives FIS-B from Weather Sources and forwards data to

GBT for Uplink• Receives TIS-B Messages and transmits data to GBT for

Uplink

• MEARTS– CAPSTONE baseline Version 0402.0, site TCH08

GDL90UAT

GBT

DataRecorder

CCCSATC

Automation (MEARTS)

MX20Display

GPSAshtechRecorder

CDR Recording

GPSGDL90UAT

UAT978MHZ

Building301

ControllerDisplay

Tower Cab Site on Main Building

Main BuildingLaboratory

Flight Test Configuration-- July 29, 2004 Flight

AircraftConvair N49 Project

Flight Test #1 Recordings

• Messages from the GBT at the Ground Interface (Asynch 19.2 Kb serial data)– Asterix 23 Status Messages

• GBT GPS Report• Alert/Alarm Status• Test Message

– Asterix 33 ADS-B Messages• Message fields incorporated into a Message based

on received RF Message Content

Flight Test #1 Recordings – 2

• Ashtech GPS Recordings– Establishes true position to compare UAT

GPS reported position

• MEARTS Recordings– Continuous Data Recording (CDR)– ADS-B Interface Recording off the CCCS

Flight Test #1 Results

• Validated end to end UAT ADS-B Message Air To Ground Reception– Validated proper encoding/decoding of UAT Message

Fields• UAT avionics transmissions of a A1H Class as defined by

RTCA DO-282A– TYPE 0 Payload

» Basic Message – State Vector– TYPE 1 Payload

» Long Message – State Vector, Mode Status, Auxiliary State Vector

– TYPE 2 Payload» Long Message – State Vector, Auxiliary State Vector

Flight Profile July 29, 2004

37

37.5

38

38.5

39

39.5

40

-76.2 -76 -75.8 -75.6 -75.4 -75.2 -75 -74.8 -74.6 -74.4 -74.2

Longitude

Lati

tude

Series1

Flight Test #2

• August 11, 2004 Flight Test at Technical Center– 2 Aircraft equipped with UAT

• Convair N49 and Convair N39 aircraft • Operational Testing of ATC Coverage of ADS-B• Air to air reception of ADS-B

– Sensis GBT connected to Capstone Communications and Control System (CCCS) and MicroEARTS

– N49 and N39 aircraft both equipped with TSO’dGarmin AT GDL90 UAT avionics

– ADS-B messages received through the GBT recorded and analyzed

DataRecorder

CCCS

ATC Automation (MEARTS)

MX20Display

GPSAshtechRecorder

CDR Recording

Building301

ControllerDisplay

Tower Cab Site on Main Building

Main BuildingLaboratory

Flight Test Configuration-- August 11, 2004 Flight

AircraftConvair N49 Project

AircraftConvair N39 Project

GDL90UAT

GPS

DataRecorder

Avionics

GDL90UAT

GBT

August 11 Flight Test N49 Flight Profile

38.4

38.6

38.8

39

39.2

39.4

39.6

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40

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40.4

-77.5 -77 -76.5 -76 -75.5 -75 -74.5 -74 -73.5

Longitude

Lati

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Series1

August 11 Flight Test N39 Flight Profile

38

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Longitude

Latit

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Series1

August 11 Flight Test N39 Aircraft Reception by UAT Ground Station

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Flight Test #3

• August 25, 2004 Flight Test at Technical Center– 2 Aircraft equipped with UAT

• Convair N49 and Convair N39 aircraft • Operational Testing of ATC Coverage of ADS-B• Air to air reception of ADS-B

– 2 Sensis GBTs connected to Capstone Communications and Control System (CCCS) and MicroEARTS

– N49 and N39 aircraft both equipped with TSO’dGarmin AT GDL90 UAT avionics

– ADS-B messages received through the GBT recorded and analyzed

GDL90UAT

GBT

DataRecorder

CCCS

ATC Automation(MEARTS)

MX20Display

GPSAshtechRecorder

Building301

Tower Cab Site on Main Building

Main BuildingLaboratory

Flight Test Configuration-- August 24, 2004 Flight

AircraftConvair N49 Project

AircraftConvair N 39 Project

GDL90UAT

GPS

DataRecorder

Avionics

GBTController

Display

DataRecorder

Roof Site onMain Building

August 25 Flight Test N39 Received by Primary GBT

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Aug 25, 2004 Flight Test N39 Reception by Secondary GBT

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