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• Utilizing Mode S Transponder based link:
• 1090 MHz Mode S Extended Squitter (1090 ES)
• Aircraft must be GPS equipped for qualification
• Standards supported: RTCA DO-260, DO-260A
• Certification to EASA AMC 20-24:
• AMC 20-24 ratified April 25, 2008.
• TC issued AC 700-009 July 31, 2008 includes Aircraft
Airworthiness and Operations Specification (Aircraft and
crew requirements).
• Systems Environment:
• Sensis Multi-static Dependent Surveillance (MDS)
• Integration into mosaic Radar Data Processor (RDPSR)
• Integrated Situation Display and legacy FDP in Edmonton
• Radar Target Information Server (RTIS) WAN
• Canadian Automated Air Traffic System (CAATS) in ZUL
Hudson Bay ADS-B Project
May 15, 2009 NAV CANADA Engineering 8
Requirements Development:
Safety HIRA & Simulation
• Concept of Operations & Safety Requirements
• Initial CONOPS exclusionary airspace
• HIRA to seek TC CARS Exemption in support of 5 nm
Separation service equivalent to radar
• RTCA DO-303 performance requirements compliance
• Operational Implementation Analysis
• Fast-time simulation – ATC implementation options,
customer benefit vs equipage analysis (tactical chosen as
only 20% expected to be eligible Day 1 vs 70% equipped).
• Customer consultation through ATOCC
• Customer and ATC Procedures confirmation
• Systems Integration Specification
• Captured safety & ops implementation requirements
• Operational Requirements Validation
• CHI requirements defined
• Real-time simulation driving prototype software validated
requirements and procedures
• Enabled DSC, ATOS, ATC training task analyses
• Integrated display requirements confirmed.
British Airways
13%
Luftha nsa*
12 %
United A irlines*
10%
Air Canad a*
7%
North West
5%
Virgin A tla ntic
5%
Air Fr ance
5%
Royal Dutch Air lines
5%
First A ir
3%
American A irlines
3%
Other
32%
Sour ce: ISAT u sing FDE Dat a * member of Star Alian ce
Hudson Bay:
• 2000 aircraft.
• 35,000 flights/yr.
• 250,000 miles2
• ~86% NAT
• ~10% Polar
• ~3% Domestic
• ~1% Pacific
Process:
• CONOPS
• BCA / ROI
• Consultation
• Fast time sim.
• Safety HIRA
• Cust. surveys
• Procedures
• Prototype ATM
• Real-time sim.
• Regulatory
apprv’l
• Certification
• Training & ORD
• Monitoring
Cost - Ben efit
Analysis
Pr elimina ry
Conc ept o f
Ope ratio ns
Customer CNS Pr ogram
CONOPS
HIRA
Implementation
P lanning,
Procedures
Development
and V alidation
( Simulation)
Operational
Requirements
ATM Development
TC Approval
V1 Del i ve red
ATC Training
OT&E
ORD
Training
Development
Flight , Systems
and Site
Test s
TBD
On -going
Customer
Consultat ion
May 15, 2009 NAV CANADA Engineering 9
ADS-B Integration Challenges
• Aircraft Equipage & Qualification:
• Safety case rogue avionics risk > Eligibility filter.
• Advanced eligibility indication to ATC.
• Tactical ATC, Mixed Traffic:
• 70% ADS-B equipped but ~7% qualified May/09.
• Integrated display - FP, radar and ADS-B tracks.
• Radar Emulation Asterix CAT-048 by Sensis.
• ADS-B Report, Flight & Conflict Changes:
• 99% legacy equipage > no SSR (beacon) code.
• ADS-B Flight Id FP association (auto / manual).
• ADS-B mode S address for report-track correlation.
• Filter low integrity ADS-B reports (NUCp < 5).
• DO-260 & DO-260A Emergencies & Nic/NACp/Sil.
• Report accuracy varies with GPS > Tracker updates.
• Conflict probe (FP tracks) & STCA adjustments.
Encoding
Altimeter
Mode S ES
Transponder
TSO C166
GPS
TSO C129a,
C145a, C146a
RTCA
DO-260
(message set)
Flight ID
(FMS input)
May 15, 2009 NAV CANADA Engineering 10
RDPSR
3 Com
d ig i ta l
ATOS
Flight Dispatch
GPS Position, Altitude,
Identity (24 bit Mode S
Address, Flight Id),
Integrity, Velocity, …
(via 1090 MHz Extended
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