India’s GAGAN certified for RNP 0.1 operations

India’s Directorate General of Civil Aviation (DGCA) has provisionally certified its Satellite Based Augmentation System (SBAS) programme  – GPS Aided Geo Augmented Navigation or ‘GAGAN’ system – to RNP 0.1 (Required Navigation Performance, 0.1 Nautical Mile) service level.

The certification will enable aircraft fitted with SBAS equipment to use the GAGAN signal in space for En-Route Navigation and Non-Precision Approaches without vertical guidance over Indian air space.

India is the fourth country to offer safety of life, space-based satellite navigation services for aviation in the world. The availability of GAGAN Signal in space will bridge the gap between European Union’s EGNOS and Japan’s MSAS coverage areas, thereby offering seamless navigation to the aviation industry.

The GAGAN System, jointly developed by the Indian Space Research Organisation (ISRO) and Airports Authority of India (AAI), is a giant leap forward in the development of Global Navigation Satellite System (GNSS) services in India and will pave the way for more growth and future enhancement.

The GAGAN System will be pegged at the APV1/1.5 level of certification in the near future to offer precision approach services over the Indian land mass. The GAGAN signal is being broadcast through two Geostationary Earth Orbit (GEO) satellites – GSAT8 and GSAT10 – covering whole Indian Flight Information Region (FIR) and beyond. An on-orbit spare GAGAN transponder will be flown on GSAT-15.

 

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