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EGNOS enables first satnav landing of passenger aircraft

Article by: Darren Griffin
Date: 7 Apr 2017

A passenger aircraft has made the first precision approach procedure guided only by satellite navigation thanks to EGNOS (European Geostationary Navigation Overlay Service) at Bremen airport in Germany.

EGNOS is a satellite-based augmentation system (SBAS) that enhances the positional accuracy of GPS and provides an alternative to the conventional ILS (Instrument Landing System) used by aircraft currently.

EGNOS permits landings to be attempted in CAT I visibility conditions and guides the pilot down to 60 metres above the ground before the pilot must make a visual sighting of the runway and confirm it is safe to land.

EGNOS offers a number of advantages, it offers an increase in precision over ILS and does not require the ground infrastructure that ILS needs, reducing costs for airport operators. Aircraft wishing to use this system require EGNOS receivers in the cockpit.


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