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GERMANY: S4GA LED PAPI Double-Projector Lights for Cottbus Airport

Cottbus-Neuhausen Airport in eastern Germany has recently upgraded its Precision Approach Path Indicator (PAPI) system to meet the latest EASA technical requirements. The airport selected S4GA’s double-projector LED PAPI, a solution fully compliant with EASA standards and designed for safe, modern, and energy-efficient airfield operations.

Innovence Airport Systems logo

The project was delivered in collaboration with Innovence Airport Systems GmbH, S4GA’s local partner in Germany, while system integration with the Airfield Lighting Control and Monitoring System (ALCMS) was completed by AP-Tech.

The upgrade was initiated to comply with the EASA multi-lamp requirement, enhancing safety and operational reliability for pilots during approach. Cottbus Airport required a modern PAPI system that would not only meet all new regulations but also provide long-term efficiency and straightforward maintenance.

Cottbus Airport PAPI upgrade challenges

The project team faced several technical challenges during implementation:

  • Compliance with SELV IEC 61820-3-4 requirements using 24 VDC safe extra-low voltage power supply.
  • Integration of radio communication for flexible and reliable system control.
  • Ensuring automatic switchover between primary and secondary PAPI units to maintain continuous operation.

S4GA LED PAPI installation

EASA-compliant LED PAPI system

S4GA supplied and commissioned its double-projector LED PAPI system, featuring dual redundancy, precise photometric calibration, and energy-efficient LED technology.
Integration into the airport’s ALCMS, enabled seamless real-time monitoring and control directly from the control tower.

The system also includes self-monitoring capability with live feedback on tilt and operational status, allowing maintenance teams to quickly detect and address any irregularities — further increasing reliability and uptime.

Benefits and Operational Impact

The new PAPI system provides Cottbus Airport with:

  • Full compliance with EASA safety and performance standards.
  • Enhanced safety through dual-projector redundancy and SELV 24 VDC power supply.
  • Energy-efficient performance using high-output LED technology.
  • Simplified installation and maintenance, supported by self-diagnostic monitoring and ALCMS integration.

Cottbus Airport is now equipped with a modern, efficient, and reliable S4GA LED PAPI System that enhances both safety and operational performance — an upgrade any airport can consider to ensure full compliance, low maintenance, and top-tier reliability.

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Germany

Application

LED PAPI System

Date

2025

Product used in this application