FAA Global Navigation Satellite System (GNSS) Program Plans and Status GPS/WAAS/LAAS

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FAA Global Navigation Satellite System
(GNSS)Program Plans and StatusGPS/WAAS/LAAS

• Leo Eldredge, GNSS Program Manager
• Federal Aviation Administration (FAA)
• ACC/AAAE Airport Planning, Design and
  Construction Symposium
• February 28, 2008

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Peak Aircraft Traffic Over The US
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Future Planning Assumptions

• By 2025 , Aviation is Expected to Increase By a
  Factor of 2.7
• The NAS Will Transition to Satellite Navigation
  Technology
• Provide Performance-Based Navigation Services to
  Enable RNAV RNP
• Position Navigation Timing (PNT) is a critical
  enabler for NextGen
• New Navigation Services Must Be Cost-Beneficial
• Legacy Services With Negative Benefits/Cost Will
  Eventually Be Removed Cost
• Resources Will Be Limited

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Global Navigation Satellite System (GNSS)
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Global Positioning System (GPS)

• Space Segment
• 24 Orbit Slots
• 6 Orbital Planes
• 4 Satellites Per Plane (Nominal)
• 55 Degrees Inclination
• Orbit at 10,800 Miles
• Orbits Once Every 12 Hours
• Control Segment
• 5 GPS Monitor Sites
• 13 NGA Monitor Sites
• 2 Operational Control Centers
• User Segment
• Military Civil Receivers
• Precise Positioning Service (PPS)
• Standard Positioning Service (SPS)

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FAA Satellite Navigation Program
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WAAS Architecture
38 Reference Stations
3 Master Stations
4 Ground Earth Stations
2 Geostationary Satellite Links
2 Operational Control Centers
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WAAS Vertical Service Coverage
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WAAS Approach Procedures
LPVs 1028 LNAV/VNAVs 1275 (as of February 14,
2008)
WAAS Procedures to be Published to All Instrument
Runways in the NAS by 2018
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Summary of RNAV(GPS) - Minima
LPV - Localizer Performance with Vertical WAAS
avionics minima LNAV/VNAV Lateral Navigation
With Vertical Baro-VNAV, or WAAS Avionics LNAV -
Lateral Navigation Non-Precision Approach (NPA)
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WAAS Avionics Status

• General Aviation
• Garmin WAAS Receivers Sold 26,000
• Bendix-King Bringing Products to Market
• Business Regional Aircraft FMS Avionics
• Rockwell-Collins Expecting CRJ/Canadair 604 STC
  approval in FY08
• Canadian Marconi Corporation (CMC) Integrate
  WAAS Into Honeywell Primus 2000 FMS by December
  2008.
• Universal Navigation Systems (UNS) Avionics
  WAAS-Enabled Capability in Dual Thread UNS-1 FMS
  TSO in 2007
• Air Carrier Cargo Aircraft
• Southwest Airlines
• Equipping 200 Boeing 737 with Rockwell Collins'
  GPS-4000S for Required Navigational Performance
  (RNP) operations
• Federal Express (FEDEX)
• Equipping 253 Cessna Caravan Aircraft with Garmin
  GNS-530W WAAS avionics and GMX-200 multi-function
  displays
• Starting to equip 48 Q400s with Universal UNS-1F
  avionics
• Helicopter Aircraft Implementing WAAS

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Preparing Airports for WAAS

• Airport Infrastructure Needed
• Paved Runways Over 3200 Ft. Long By 60 Ft. Wide
• Non-precision Runway Markings (Or Better)
• Runway Safety Zone
• Airport Infrastructure Recommended To Obtain The
  Lowest Possible Minima
• Parallel Taxiway (Reduces Decision Height, But
  Not Mandatory)
• Medium Intensity Runway Lights (Reduces
  Visibility And Provides For Night Operations)

• Steps To Prepare Airport
• Review information on getting an instrument
  approach at http//avn.faa.gov/index.asp?xmlifp
  /index
• Contact Airport District Office to determine
  Infrastructure requirements/improvements
• Contact the ADO or FPO to determine survey needs
  and/or check the status of FAA-sponsored surveys
  at
• 9-amc-avn-150-Survey_at_faa.gov.

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Local Area Augmentation System (LAAS)

• Precision Approach For CAT- I, II, III
• Multiple Runway Coverage At An Airport
• Terminal Area Procedures for Arrival and Departure

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Current Activities

• Integrity Analysis and Prototype Development
• LAAS System Design Approval (SDA) Process
• LAAS Operational Implementation at Memphis
  Airport
• International Cooperation and Development
• CAT-III Research Development Activities

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LAAS/GBAS International Efforts
Rio De Janeiro, Brazil
Malaga, Spain
Sydney, Australia
Frankfurt, Germany
Bremen, Germany
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Summary

• The FAA is Implementing Satellite Navigation
  Systems Needed to Support Performance Based
  Navigation and NextGen
• The WAAS Program Has Matured Through Development
  and is Rapidly Progressing Through Operational
  Implementation
• The First Certified LAAS is Expected In Late 2008
• Satellite Navigation is a Cornerstone of the
  Next Generation Air Transportation System
  (NextGen)

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Questionshttp//gps.faa.gov