Terma completes ADLS Installations for US Wind Farms

2020-05-27:

First two radar-activated Aircraft Detection Lighting Systems (ADLS) installed for Wind Farms in New Hampshire and North Dakota.

ADLS Windfarm - cover

Crystal City, VA 27 May 2020 –Terma North America has reached a milestone by installing their first two radar-activated Aircraft Detection Lighting Systems (ADLS) for Wind Farms; one in New Hampshire and the other in North Dakota.

The ADLS is designed to balance the dark sky desires of the surrounding community with the safety regulations of the Federal Aviation Administration (FAA) by only enabling the wind turbine obstruction lights when an aircraft approaches within 3 Nautical Miles of a wind farm.

According to Jeff Schleicher, Terma’s Senior Manager for Wind Energy Services:

“Terma’s ADLS will keep the lights off up to 99% of the time, which will greatly reduce the visual impact on surrounding communities.”

The installation proved to be rather challenging due to high wind combined with a very cold winter. As a result, Terma’s engineers along with an on-site team of technicians designed and developed a heated tent system that could be installed and utilized at the top of the radar tower to facilitate installations in almost any conditions.

According to Schleicher, several wind farms, both new and existing (i.e. retrofits) in the U.S. and Canada have been permitted for ADLS technology and Terma expects to have installed systems in almost a dozen states by the end of the year.

“Terma North America is proud to support green energy programs by minimizing the impact on local communities without compromising aircraft safety. Our ADLS solution will help secure local community support for even more wind energy projects in the future” says Frank Christophersen, Director of Surveillance and Missions Systems at Terma North America.

A note on terminology. Canada uses the term Aircraft Detection System (ADS) for the same systems that in the U.S. are referred to as ADLS.  In most of Europe these solutions are known as Obstruction Lighting Control (OLC) systems. 

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The Denmark based high-tech Terma Group develops products and systems for defense and non-defense security applications; including command and control systems, radar systems, self-protection systems for aircraft, space technology, and aerostructures for the aircraft industry.

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