Allow direct routings, multiple approaches resulting in considerable fuel savings to airlines and provide for capacity enhancement of airports and airspace.Global seamless navigation for all phases of flight including arrival, departure, oceanic and en route.Environmental benefits–Approach with Vertical Guidance procedures will help facilitate better energy and descent profile management during the final approach.Safety benefits – Vertical guidance improves safety, especially in adverse weather conditions.Some of the benefits GAGAN is expected to bring for Civil Aviation sector are: The quantum of benefits in the aviation sector would depend on the level of utilisation of such benefits. The implementation of GAGAN has numerous benefits to the aviation sector in terms of fuel saving, saving in equipment cost, flight safety, increased air space capacity, efficiency, enhancement of reliability, reduction in work load for operators, coverage of oceanic area for air traffic control, high position accuracy, etc. As part of certification activity, DGCA personnel visited GAGAN complex, Kundalahalli in Bengaluru and carried out final inspection activities on Indian Land Uplink Station (INLUS), Indian Master Control Centre (INMCC), Indian Reference Earth Station (INRES) and other facilities. The overall performance of the systems was reviewed by the review committee. GAGAN Stability tests were successfully completed in June 2013. GPS Aided Geo Augmented Navigation (GAGAN) To meet the user requirements of the positioning, navigation and timing services based on the indigenous system, ISRO is establishing a regional satellite navigation system called Indian Regional Navigation Satellite System (IRNSS). To meet the Civil Aviation requirements, ISRO is working jointly with Airport Authority of India (AAI) in establishing the GPS Aided Geo Augmented Navigation (GAGAN) system. ISRO is committed to provide the satellite based Navigation services to meet the emerging demands of the Civil Aviation requirements and to meet the user requirements of the positioning, navigation and timing based on the independent satellite navigation system. Satellite Navigation service is an emerging satellite based system with commercial and strategic applications.
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