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Average Delay (Mins)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
1996 1998 2000 2002 2004 2006 2008 2010 2012 2014
Current NAS
Current NAS with
Enhancements
Safe Flight 21
Init WAAS Capability
Free Flight Phase 1
19
© 2000 The MITRE Corporation
FREE FLIGHT PHASE 1
1998-2002
20
© 2000 The MITRE Corporation
R R R R R
R R R R R
R R R R R
R Y R R Y
R R Y R
Y Y Y Y R
Y R Y Y Y
Y G Y R G
Y G G G G
Y R R Y R
Y Y R Y Y
Y R Y R Y
G
R Serious Concern Y Limited Concern G No concern
G Y GG G G
Risk Factors
Major CNS Programs Free-Flight Phase 1 DSS Infrastructure
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
Avionics Costs Airlines G G G G G G G G G
GA G G G G G G G G G
Certification Y R Y Y Y Y Y Y Y
Requirements
uncertainty &
complexity
G G Y R R G G Y Y
Information
Security G R Y Y Y G G G
Procedures/Ops.
Concepts Y G Y R R G G G Y
International
Standards G G G G G G G G G
Technical/
Information
architecture
G G Y Y Y G G G G
Adaptation Y G Y R Y G G G G
Deployment rate FAA R R R R R R R R
Limitations User G G G G R G G G G
System Acceptance FAA R R Y R Y Y Y Y
User
Y
Y
R
Y Y R Y Y G G G G
NMTF Risk Reduction Matrix - January 1998
21
© 2000 The MITRE Corporation
Free Flight Phase 1 Capabilities
• User Request Evaluation Tool (URET)
• Traffic Management Advisor-Single Center (TMA-SC)
• Passive Final Approach Spacing Tool (pFAST)
• Controller/Pilot Datalink Communication (CPDLC Build I)
(Removed in December 1998 by FAA/Stakeholder consensus)
• Surface Movement Advisor * (SMA) *Limited: not ATL
• Collaborative Decision Making (CDM):
– NAS Status Information
– Enhanced Ground Delay Program
– Initial Collaborative Routing
22
© 2000 The MITRE Corporation
Free Flight Phase 1
Capability Summary: Users and Benefits
PROGRAM/
SYSTEM
CAPABILITY DOMAIN
USED
USED BY
WHOM
BENEFITS
URET - Aircraft-to-Aircraft CP
- Aircraft-to-Airspace CP
En Route D-Controller - Controller decision aid
- Reduce altitude and speed restrictions
Passive FAST
Build 2
- Runway Assignment
- Arrival Sequencing
Terminal Controller
TMC
- Efficient use of runway capacity
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本文链接地址：
FAA’s Free Flight Modernization Initiatives(6)
