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Federal AviationAdministration
FAA Global Navigation Satellite System (GNSS)
Program Plans and Status
GPS/WAAS/LAAS
Leo Eldredge, GNSS Program ManagerFederal Aviation Administration (FAA)
ACC/AAAE Airport Planning, Design and
Construction Symposium February 28, 2008
Global Navigation Satellite System (GNSS) Program Plans and Status2Federal Aviation
AdministrationFebruary 28, 2008
Peak Aircraft Traffic Over The US
Global Navigation Satellite System (GNSS) Program Plans and Status3Federal Aviation
AdministrationFebruary 28, 2008
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
Global Navigation Satellite System (GNSS) Program Plans and Status4Federal Aviation
AdministrationFebruary 28, 2008
Global Navigation Satellite System (GNSS)
Global Navigation Satellite System (GNSS) Program Plans and Status5Federal Aviation
AdministrationFebruary 28, 2008
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)
Global Navigation Satellite System (GNSS) Program Plans and Status6Federal Aviation
AdministrationFebruary 28, 2008
FAA Satellite Navigation Program
Global Navigation Satellite System (GNSS) Program Plans and Status7Federal Aviation
AdministrationFebruary 28, 2008
WAAS Architecture
38 Reference
Stations
3 Master
Stations
4 Ground
Earth Stations
2 Geostationary
Satellite Links
2 Operational
Control Centers
Global Navigation Satellite System (GNSS) Program Plans and Status8Federal Aviation
AdministrationFebruary 28, 2008
WAAS Vertical Service Coverage
Global Navigation Satellite System (GNSS) Program Plans and Status9Federal Aviation
AdministrationFebruary 28, 2008
WAAS Approach Procedures
LPVs: 1028LNAV/VNAVs: 1275(as of February 14, 2008)
WAAS Procedures to be Published to All Instrument Runways in the NAS by 2018
Global Navigation Satellite System (GNSS) Program Plans and Status10Federal Aviation
AdministrationFebruary 28, 2008
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)
Global Navigation Satellite System (GNSS) Program Plans and Status11Federal Aviation
AdministrationFebruary 28, 2008
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 FY‘08 – 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
Global Navigation Satellite System (GNSS) Program Plans and Status12Federal Aviation
AdministrationFebruary 28, 2008
Preparing Airports for WAAS
Steps To Prepare Airport1. Review information on getting an instrument approach at:
http://avn.faa.gov/index.asp?xml=ifp/index
2. Contact Airport District Office to determine Infrastructure requirements/improvements
3. Contact the ADO or FPO to determine survey needs and/or check the status of FAA-sponsored surveys at:
• 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)
Global Navigation Satellite System (GNSS) Program Plans and Status13Federal Aviation
AdministrationFebruary 28, 2008
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
Global Navigation Satellite System (GNSS) Program Plans and Status14Federal Aviation
AdministrationFebruary 28, 2008
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
Global Navigation Satellite System (GNSS) Program Plans and Status15Federal Aviation
AdministrationFebruary 28, 2008
Agana, Guam
Frankfurt, Germany
Rio De Janeiro, Brazil
Malaga, Spain
LAAS/GBAS International Efforts
Sydney, Australia
Bremen, Germany
Global Navigation Satellite System (GNSS) Program Plans and Status16Federal Aviation
AdministrationFebruary 28, 2008
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)
Global Navigation Satellite System (GNSS) Program Plans and Status17Federal Aviation
AdministrationFebruary 28, 2008
Questions
http://gps.faa.gov