曝光台 注意防骗
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Status
Beijing, China
April 17, 2007
Federal Aviation 2 2
Administration
WAAS Status
Federal Aviation 3 3
Administration
WAAS Schedule
• WAAS Commissioned
• Full LPV Performance
– 13 additional reference stations
– Improved software efficiency
– System improvements will be brought online incrementally
– End state performance will result in greater availability of
approach with vertical guidance (LPV - 200 foot minimums)
• 99% availability in CONUS
• 95% availability in ~ 75% of Alaska
• Two GEOs in view to all users over all
CONUS and Alaska
• Dual Frequency Development
– L5 frequency (block IIF & GPS III)
– Better interference mitigation
• Procedure Development ~ 300/yr
• 2003
• 2003 – 2008
• 2007
• 2015
• 2004 – 2028
Federal Aviation 4 4
Administration
Predicted Availability Gains
WAAS Commissioning - 2003 Full Capability - 2008
• Availability over the majority of CONUS improves from 99.5%
to 99.9%
• Alaskan availability improves from less than 75% to 99 –
99.9%
• Significant availability gains in northeast and southern
California, Texas, and Florida
Federal Aviation 5 5
Administration
GEO Satellite Improvements
• Satellites launched in 2005
– Both currently broadcasting Signal-in-Space
• PanAmSat (Galaxy XV)
– Schedule accelerated to due to Inmarsat
move
• Datalink Only – WAAS Corrections without
ranging
– Completed Preliminary Acceptance May 1st
– Operational in WAAS in November 2006
(Datalink Only)
– Ranging Certified in December 2007
• Telesat Canada (Anik F1R)
– Integration and Testing in progress
– Preliminary acceptance scheduled for 1st
Quarter FY07
– Operational in WAAS in July 2007
• WAAS Corrections & Ranging
Telesat
107°W
PanAmSat
133°W
Original AOR/W
Position
54°W
POR
178°E
New AOR/W
Position
142°W
Federal Aviation 6 6
Administration
Garmin General Aviation Status
• Approximately 40% of est. 140,000
GA aircraft are equipped w/Garmin
receivers
– GNS-480: ~3200 sold
– GNS-400/500 series:
• 75,000 non-WAAS capable receivers
sold
– 18,000 owners have registered for
WAAS upgrade
– Garmin began upgrading 300 WAAS
capable units per month in Feb 07
– GNS-1000:
• Recently received WAAS TSO
approval
• Original equipment in Cessna Mustang
Federal Aviation 7 7
Administration
Business & Regional Jet WAAS
Avionics Development Status
• Rockwell-Collins:
– GNLU-955: FAA Contract to equip Flight Inspection aircraft (Lear &
Challenger - 604)
• NRE extendable to KingAir and Challenger-601s
– GPS-4000S: FAA contract for TSO and STC on Bombardier CRJ
• Canadian Marconi:
– FAA contract to integrate CMC WAAS sensor into Honeywell Primus
2000 FMS in FAATC Global 5000 aircraft
– NRE extendable to Global Express aircraft
• Universal Avionics:
– Developing WAAS-enabled capability in dual thread UNS-1 FMS.
TSO in Spring ’07
• Potential Applications include
Federal Aviation 8 8
Administration
Approach Procedures
• Existing Procedures:
– 3,990 GPS NPA (LNAV)
– 1,058 LNAV/VNAV
– 677 LPVs
Federal Aviation 9 9
Administration
Future WAAS Procedures
• LPV 200’ Minimum
– Minimum decision height of LPV approach lowered
from 250’ to 200’
– First approach was published in 2006
• LP Approach
– Acts like a Localizer approach utilizing WAAS
horizontal protection limits (HPL)
– Criteria being developed, estimated to be complete
within 6 months
– Can be developed at approaches that fail to meet
LPV criteria due to obstacle penetrations
WAFS产品中
GRIB资料中国区产品评估
民航中南空管局气象中心苏丽蓉温志军
世界区域预报系统
（ World Area Forecast System）
WAFS是一个世界范围的系统，提供统
一标准化格式的航空气象航线预报，目
的是为航空气象用户提供图像和数字形
式的产品。
目前，全球有两个世界区域预报中心
（WAFC）负责制作WAFS产品，分别
是伦敦中心和华盛顿中心。
世界区域预报系统
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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