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GUIDANCE
OTHER
GOVERNMENT
& INDUSTRY
FFP1po
ATCSCC
ARU
FAA
ASD
AGC
ASU
USAirways
Delta
United
Fedex
Northwest
American
Metron
Volpe National
Transportation
Systems Center
AUA TAC / TRW
COE / Univ of Maryland
CAASD / MITRE
NASA
ORNL
Government
Industry
FFP1 CDM Development Relationships
Midwest
ATO
Acknowledgement: Free Flight Phase 1 Program Office
62
© 2000 The MITRE Corporation
CDM Overview
CDM “Tools” Implemented by FFP1
• Enhanced Ground Delay Program (GDP-E)
• Initial Collaborative Routing (ICR)
• NAS Status Information
Floor of the Air Traffic Control System Command Center, Herndon VA
Acknowledgement: FAA, ATCSCC
63
© 2000 The MITRE Corporation
CDM Overview
Enhanced Ground Delay Program (GDP-E)
• Shared, real-time information between Air Traffic Control
System Command Center (ATCSCC) and participating
Airline Operational Control (AOCs)
– AOC schedules
– Projected demand and capacity
• Benefits:
– AOCs gain greater autonomy over their flight operations -
deciding which flights to delay or cancel, which arrival slots to
fill at impacted airports
– ATCSCC gains more realistic estimate of system demand,
enhancing system predictability and efficiency
– AOC actions can eliminate or reduce ATCSCC need to impose
ground delay or ground stop programs
64
© 2000 The MITRE Corporation
• Core Functions of GDP-E
– Flight Schedule Monitor (FSM)
• Primary tool performing GDP analysis
– Ration By Schedule (RBS)
• Ensures fairness and equity during a GDP
– Schedule Compression (SC)
• Maximizes available slots at an affected airport
– Control by Time of Arrival (CTA)
• Provides airlines with increased flexibility to decide which
flights to launch, when to launch, and which slots to fill at
an affected airport during a GDP
CDM Overview
Enhanced Ground Delay Program (GDP-E)
65
© 2000 The MITRE Corporation
Enhanced Ground Delay Program (GDP-E)
Flight Schedule Monitor
Acknowledgement: METRON
66
© 2000 The MITRE Corporation
CDM Overview
Initial Collaborative Routing (ICR)
• Shared real-time traffic flow information between AOCs,
ARTCCs, TRACONs, and ATCSCC
– “Electronic Chalkboard” that enables shared view of traffic
and weather situations and proposed solutions
• “Data and Display Conferencing” used to achieve consensus in
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FAA’s Free Flight Modernization Initiatives(16)
