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Radar Systems

HARRIER™ Aircraft Detection Lighting Systems (ADLS)

HARRIER™ Aircraft Detection Lighting System (ADLS)

In response to the Dark Sky initiative, which aims to reduce light pollution, and to customer requirements, DeTect developed the HARRIER Aircraft Detection Lighting System (ADLS). This system automatically activates obstruction lighting for aviation obstacles such as wind turbine structures, high-voltage transmission lines, and communication towers.

HARRIER ADLS continuously monitors the airspace surrounding wind farms, communication towers, transmission lines, and facilities requiring aircraft obstruction lighting with reliable 360-degree radar surveillance, from ground level to above aircraft flight altitudes. When an aircraft is detected at the defined outer boundaries, the system automatically sends a signal to activate the obstruction lighting.

HARRIER is one of the most advanced technologies available and complies with regulatory requirements including the recently published U.S. Federal Aviation Administration (FAA) Advisory Circular, NAV CANADA requirements, and various EU standards. The FAA Performance Assessment Report states that the HARRIER ADLS system meets the performance requirements specified in Section 14 of FAA AC 70/7460-1M, and the report has been published on the FAA website.

The HARRIER ADLS visual warning system is also compatible with all wind-energy turbines, control and communication networks, and obstruction-lighting systems.

The HARRIER ADLS collision-avoidance system is based on DeTect’s proven HARRIER ASR system, which is used for detecting non-cooperative aircraft as well as UAV detection, avoidance, and mitigation applications. With continuous monitoring and lighting-signal activation capabilities via SCADA or direct interfaces, the system can detect aircraft at distances of up to 18 nautical miles.

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HARRIER ADLS can be customized with multiple warning zones and activation boundaries for each region and application. It can operate as a standalone system or be integrated with audible warning devices, warning lights, and other sensors and warning equipment.

While typical national standards such as FAA AC 70/7460-1M and Transport Canada specify a minimum range of 3–4 miles, HARRIER exceeds the minimum range requirement with a safety factor 400% above the expected minimum safety margin. In addition, HARRIER’s speed-measurement and direction-tracking capabilities exceed agency requirements for detection and activation.

HARRIER ADLS also continuously records operational data, including aircraft detections and flight paths, lighting-activation events, and system information, in its internal SQL Data System. Its customizable automatic-reporting capability supports record keeping and the preparation of compliance documentation.

With DeTect’s MERLIN processor add-on, HARRIER ADLS can provide ADLS, bird-radar, and drone-surveillance functions from a common sensor platform.

Main Advantages of HARRIER ADLS

  • Long-range capability provides a greater safety margin.

  • Compatible with all turbines, communication networks, and lighting systems.

  • Low acquisition and operating costs.

  • Advanced solid-state Doppler radar technology.

  • Low installation costs and ground-based sensor packages.

  • Multifunctional capability for bird and intrusion detection.

  • Supported by a comprehensive parts and labor warranty.

The HARRIER Aircraft Detection Lighting System is one of the proven and widely used ADLS systems on the market, with installed and operational systems in the United States, Canada, and Europe.

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