GPS World, October 2018
WATCH MARKETWATCH MARKET 2 TRANSPORTATION M ore than 180 European airports EGNOS Sparks Revolution in Touch Downs are now certified to make use of the ESA designed European Geostationary Navigation Overlay Service EGNOS for approaches to runways reports the European Space Agency This includes approaches at major hubs such as Paris Charles de Gaulle Frankfurt and Amsterdam Schiphol With EGNOS safe landings would still be possible even if an airport were shut down entirely Sharpening the precision of GPS satnav signals over most European territory EGNOS was designed to make satnav reliable enough for safetycritical aviation employment but has found a wide range of other uses from agriculture to road rail and maritime transport LPV 200 Approach Through the LPV 200 procedure short for localizer performance with vertical guidance 200 feet EGNOS guides pilots through any weather down to within 60 meters 200 feet of the runway at which point they make visual contact with the ground for a final go no go landing decision EGNOS is the European equivalent of the U S Wide Area Augmentation System WAAS and is designed to work seamlessly with WAAS EGNOS offers all weather access to certified runway approaches each side of a runway requires separate certification without the need for expensive ground instrument landing system infrastructure Satellitebased landing approaches can also be smoother and more fuel efficient Smaller airports unable to afford ground instrumentation draw the greatest benefit Employing EGNOS means they can operate in all weather conditions An EGNOS app is available from the Apple and Google Play stores offering access to EGNOS related information including the different EGNOS services official documentation historical and current performance data support material and contact with the 24 7 EGNOS helpdesk 44 GPS WORLD WWW GPSWORLD COM OCTOBER 2018
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