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© 2000 The MITRE Corporation
VDL-2
Ground
Stations
Display CMU/ATSU
(ATN compliant)
VDR Multi-Mode
Transceivers
VDL-2
CPDLC I
DLAP
HOST Router
DSR
NADIN II
(PSN)
HID NAS LAN
FAA En Route CPDLC Ground System
A/G ATN
Router
G/G ATN
G/G ATN Router
Router
Aeronautical Data Link Product Team
AND-370
CPDLC Build 1 Architecture
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© 2000 The MITRE Corporation
NEXCOM Digital Voice
CPDLC
Implementation Path
CPDLC II
CPDLC I/IA
2001 2002 2003 2004 2005 2006 2007 -10 2011 +
Avionics
Keysite
National Deployment CPDLC ICPDLC I
CPDLC I/A
CPDLC II
Ground
A/G Data
Subnetwork VDL-2
NEXCOM Analog Voice
A/G Voice
and Data NEXCOM Digital Data
VDL-2
ATC Data ??
AOC Data ??
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© 2000 The MITRE Corporation
CPDLC Status
• VDL-2 Air/ground subnetwork
– Driven by the AOC capacity problem with ACARS
• Stabilized ATN Requirements
– ICAO 9705 SARPS Baseline 1 completed
• Communications Management Unit (CMU) 758 Architecture
– Provides a software platform that is more affordable than FMS based
implementations
• Host Replacement and DSR
– Provide the processing power and HCI
• Human Factors
– Ground HCI well understood, Airborne HCI in development
• Airline Investment Decision
– Positive business case for CPDLC, when combined with the AOC
investment
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© 2000 The MITRE Corporation
CPDLC
Industry Commitment
• American Airlines putting up funds
for 4-767s, and 23-737s in Miami
• Rockwell Collins is funding
development of CMU and VDR
• ARINC is funding VDL Mode-2
infrastructure development
– FAA has a services contract for
Build 1 with ARINC
• SwissAir has committed to ATN
CPDLC in PETAL IIe with a
Honeywell CMU/VDR
• United Airlines recently announced
equipage plans for Build 1A
– Airbus fleet of over 130 aircraft
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© 2000 The MITRE Corporation
SAFE FLIGHT 21
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© 2000 The MITRE Corporation
Risk Factors M a j o r C N S p r o g r a m s F r e e - f l i g h t p h a s e 1 D S S i n f r a s t r u c t u r e
GPS/WAAS
CPDLC build 2+
NEXCOM
Extensive ADS-B
A/A and A/G
TIS/FIS
Initial conflict
probe
CPDLC Build 1
(Now)
Limited CTAS
Full CTAS
CDM/TFM
Interim Host
DSR
En route
Infrastructure
STARS
TFM Infrastructure
Avionics Costs Airlines R R R R R G G G G G G G G G G
GA R R R R R G G G G G G G G G G
　
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