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)
• Space Enterprise Council
• March 14, 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
• Enable Performance-Based Navigation Services
  Capability RNAV RNP
• Position Navigation Timing (PNT) is a Critical
  Enabler for NextGen
• Legacy Services With Negative Benefits/Cost Will
  Eventually Be Removed

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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
• 6 GPS Monitor Sites
• 11 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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Aviation Benefits
LNAV/VNAV 350
LPV 250
LPV 200
3o
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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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GEO Satellites
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Vertical Service Coverage
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WAAS Approach Procedures
LPVs 1028 LNAV/VNAVs 1275
WAAS Procedures to be Published to All Instrument
Runways in the NAS by 2018
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WAAS Avionics Status

• General Aviation
• Over 28,000 WAAS Avionics Units Sold
• Business Regional Aircraft FMS Avionics
• Rockwell-Collins Expecting Approval in FY2008
• Canadian Marconi Corporation by December 2008.
• Universal Navigation Systems Approved in 2007
• Air Carrier Cargo Aircraft
• Southwest Airlines Equipping 200 Boeing 737 with
  GPS/WAAS
• Federal Express (FEDEX) Equipping 300 Aircraft
  with WAAS Avionics
• Helicopter Aircraft Implementing WAAS

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WAAS In Use By Non-Aviation Users
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Local Area Augmentation System (LAAS)
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Current Activities

• Integrity Analysis and Prototype Development
• LAAS System Design Approval (SDA) Reviews
• 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
Memphis, Tenn.
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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FAA Priorities for GPS

• Sustainment of the GPS Constellation to Meet
  Commitments in the GPS Standard Positioning
  Service Performance Standard (SPS PS)
• Baseline GPS Modernization Schedule to Support
  Long Term Planning and Decision Making
• Provision of a Constellation of Dual Frequency
  (L1 L5) Satellites
• Combination GPS Block IIF and GPS-III Satellites
• Significant Improvement in Availability and
  Reliability
• Continually Look at Improved Service Through GPS
  Modernization
• Larger Constellation Size Would Improve Service
  for Aviation
• Improved Accuracy, Availability, and Integrity

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Questionshttp//gps.faa.gov