Airotec DeFI – Drone Flight Inspection
A SaaS-based drone system for automated inspection and calibration of airport lighting systems (PAPI, RWY, TWY, APP lights). Compliant with ICAO 9157 Part 4 and EU Easy Access Rules for Aerodromes (EU) 139/2014. Designed for FIS providers, AGL integrators, and aerodrome operators.
Description
Airotec DeFI – Drone Flight Inspection System
The Airotec DeFI is a cost-effective, SaaS-based drone solution for commissioning, periodical, and daily inspection of airport lighting systems — including Approach Path Indicator (PAPI), Runway (RWY), Taxiway (TWY), and Approach (APP) lights. Designed for Flight Inspection Service (FIS) providers, AGL integrators, and aerodrome operators, it replaces conventional aircraft-based measurements with a fully automated, ground-deployable drone system.
Key Features
- Automated PAPI Calibration — Complete flight check software per ICAO 9157 Part 4 Visual Aids standards
- Advanced Image Processing — Precision algorithms eliminate manual work and human error
- Rapid Deployment — Reduces runway occupancy time and minimises air traffic disruptions
- Access to Remote Locations — No need for long-range FIS aircraft at remote aerodromes
- Detailed Reporting — Full measurement charts with photo documentation and audit trail
- Zero Emissions — Environmentally friendly with no noise or carbon footprint
- Regulatory Compliant — Fulfils AMC/GM requirements under EU Easy Access Rules for Aerodromes (EU) 139/2014
Applications
- PAPI light angle calibration and verification
- Runway, taxiway, and approach lighting inspection
- Preventive maintenance of Airport Ground Lighting (AGL) systems
- Post-installation commissioning of new lighting systems
- Routine compliance checks for civil aviation authorities
About Airotec
Airotec is a specialist manufacturer of aviation meteorological and airfield systems, including Automated Weather Observation Systems (AWOS) and flight inspection equipment. Their products are trusted by aerodrome operators and civil aviation authorities worldwide.
Contact Riajati Sdn Bhd to learn more about how the Airotec DeFI can streamline your aerodrome lighting inspection programme.




