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Presented to:
By:
Date:
Federal Aviation Administration GIM-S Outreach
Meeting
CSA Users
David Gray/Curt Rademaker
September 10th, 2014
Federal Aviation Administration
Topics • Overview • GIM-S Concept • ZAB Changes • Post IOC
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Federal Aviation Administration
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Overview • Ground spacing tool that was baselined & funded as part of the
2007 SBS JRC decision • Ground Interval Management – Spacing (GIM-S) comprises a set of
ground functions to: – Improve metering by reducing long freeze horizons to shorter distances – Minimize the use of vectoring for problem resolutions – Increase fuel efficiency by absorbing delay at higher altitudes than in the TRACON – Provide speed advisories to assist in the delivery of aircraft to a Meter Point/Meter Fix – Improve ETA/STA performance as the NAS equips with ADS-B avionics
• Functionality allocated across multiple platforms, creating this NextGen capability
• ZAB selected as the GIM-S Key Site, for the arrival metering into PHX on the EAGUL5/6 – EAGUL5 will become the EAGUL6 on Sept 18, 2014 – GIM-S IOC on Sept 22, 2014
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Federal Aviation Administration
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Ground Interval Management – Spacing Concept
TBFM Meter Point (MP)
TBFM Meter Fix (MF)
Controller issued speed instructions for Meter Points
Aircraft STA not frozen at the MP/MF
Aircraft STA frozen at the MP/MF Aircraft handoff to Terminal Airspace
MP
MF
Arrival Airport
En Route ATC
TBFM Meter Point (MP) Freeze Horizon
TBFM Meter Fix (MF) Freeze Horizon
Aircraft flying published RNAV arrival
TOD
Aircraft Top of Descent (TOD)
Federal Aviation Administration
PHX Arrival Traffic
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Federal Aviation Administration
Traditional Metering
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Federal Aviation Administration
GIM-S Metering
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Federal Aviation Administration
GIM-S Metering
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Federal Aviation Administration
Speed Advisory Details • Mach speed instructions will be issued at-or-above FL240
– It is understood that currently, pilots expect Mach/IAS transition to occur ~FL290-FL300,
– Improves the GIM-S performance and accuracy – At FL280, difference in M0.01 = 4 knots vs. FAA required IAS
increments of 10 knots – Speeds issued in Mach may be as low as M0.68 – Winter months in ZAB – adverse rides in mid 30s flight levels result in
greater number of aircraft in mid 20s flight levels
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Federal Aviation Administration
Speed Advisory Details • Speed instructions provided only when aircraft are in
level flight • GIM-S speed instructions will not be issued after SLIDR
on EAGUL5
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Federal Aviation Administration
Summary • ZAB will begin metering 500NM from PHX on
EAGUL 5/6 vs. traditional metering of 160NM on the EAGUL5
• Delays to be absorbed in ZAB are now segregated between sectors and flows further upstream than today,
• Speed instructions can be provided to absorb these delays
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Federal Aviation Administration
Post IOC
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Federal Aviation Administration
FY15 Planned Sites
ZFW
ZLC
ZID
ZJX
ZOB
ZMA
ZME
ZTL
ZAU
ZMP
ZKC
ZOA
ZAB
ZDV
ZLA
ZBW
ZNY
ZSE
ZHU
ZDC
ACM Airport
Adjacent Center Metering
LAX
PHX
SLC
Federal Aviation Administration
Notional Program Plan • SIG Development and Testing Oct14 – Dec14 • PR Verification Oct14 – Nov14 • WJHTC Risk Reduction Nov14 – Jan15 • SRMD Jan15 – Feb15 • Site Adaptation Oct14 – Mar15 • Site Checkout Mar15 – Apr15 • Pair 1 Operational Apr15 • Pair 2 Operational May15 • Deploy GIM-S at PHX, LAX, SLC, DEN May15 – Sept30
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