PrelimsScience & Tech
DGCA Conducts India’s First GAGAN-Based Jet Aircraft Approach
GAGANSatellite NavigationAviation
### Why in News?
- The **DGCA** conducted India’s first **satellite-based landing-system approach on a jet aircraft** using **GAGAN** at Udaipur Airport.
### Key Details
- An **IndiGo Airbus A320** successfully carried out a **Localiser Performance with Vertical Guidance (LPV)** approach.
- GAGAN improves satellite-navigation accuracy by broadcasting correction data and can reduce dependence on costly ground-based **Instrument Landing Systems (ILS)**.
- The system was jointly developed by **ISRO** and the **Airports Authority of India (AAI)**.
### Exam Connect
- **GAGAN** → GPS Aided GEO Augmented Navigation.
- **SBAS** → Satellite-Based Augmentation System that improves navigation accuracy and integrity.