# Lanthan GmbH & Co. KG > Lanthan is a German manufacturer of aviation obstruction lighting systems, founded in 2005 and headquartered in Bremen. Manufacturing is carried out by TWE GmbH in Gefrees, Bavaria — established in 1999 with 25+ years of precision engineering experience including turning, milling and waterjet cutting. More than 100,000 systems installed across seven continents. Lanthan designs, manufactures and supports obstruction lighting systems compliant with ICAO Annex 14, German AVV (Allgemeine Verwaltungsvorschrift zur Kennzeichnung von Luftfahrthindernissen), and international aviation authority regulations. 90% vertical integration across two production sites in Germany ensures supply chain reliability and long-term product support. ## Company - [Über Lanthan / About Lanthan](https://lanthan.eu/de): German-language homepage with company overview, key figures and market segments - [English Homepage](https://lanthan.eu/en): English-language homepage for international customers and OEM partners - [Kontakt / Contact](https://lanthan.eu/de/contact): Contact details, Bremen headquarters address, enquiry form - [Produktion / Production (TWE)](https://lanthan.eu/de/twe): Production facilities in Bremen and Gefrees, Bavaria — 3,600 m² total, 90% in-house manufacturing ## Markets - [Windenergie / Wind Energy](https://lanthan.eu/de/markets/wind): Obstruction lighting for wind turbines and wind farms, including BNK/ADLS (aircraft detection lighting systems), retrofit solutions for legacy systems (Reetec MLGF, Reetec Slimline x86), IEC 61400-29 compliance, country-specific regulations (DE, FR, SE) - [Wind Energy (EN)](https://lanthan.eu/en/markets/wind): English version of wind energy market page - [Hochbau & Infrastruktur / Buildings](https://lanthan.eu/de/markets/building): Obstruction lighting for high-rise buildings and infrastructure — 25% market share Frankfurt skyline, LuftVG §12 compliance, through-wall installation systems - [Krane / Cranes](https://lanthan.eu/de/markets/krane): Plug-and-play obstruction lighting for tower cranes and mobile cranes, integrated anemometer, online TCS configurator - [Industrie / Industry](https://lanthan.eu/de/markets/industry): Obstruction lighting for power plants, chimneys, flare stacks and industrial facilities - [Telekommunikation / Telecom](https://lanthan.eu/de/markets/telecom): Marking systems for mobile masts and microwave towers - [Seilbahnen & Brücken / Ropeways](https://lanthan.eu/de/markets/seilbahnen): Specialist lighting for ropeways, suspension bridges and high-altitude installations ## Products - [Produkte / Products DE](https://lanthan.eu/de/produkte): Full product range overview — low intensity, medium intensity, infrared obstruction lights - [Products EN](https://lanthan.eu/en/products): English product overview - [HF10 – Low Intensity Type L](https://lanthan.eu/de/produkte/hindernisfeuer-hf10): Low intensity obstruction light, ICAO Type L compliant - [HF102 – Low Intensity Type L](https://lanthan.eu/de/produkte/hindernisfeuer-hf102): Low intensity obstruction light with extended temperature range - [HF132 – Medium Intensity Type M](https://lanthan.eu/de/produkte/hindernisfeuer-hf132): Medium intensity obstruction light, ICAO Type M compliant - [IR25 – Infrared](https://lanthan.eu/de/produkte/ir25): Infrared obstruction light for BNK/ADLS systems - [IR600 – Infrared](https://lanthan.eu/de/produkte/ir600): High-power infrared obstruction light - [R2K – Controller](https://lanthan.eu/de/produkte/r2k): Obstruction lighting controller unit - [TCS Crane Configurator](https://lanthan.eu/de/tcs): Online configurator for crane obstruction lighting systems ## Regulations & FAQ - [Leitfaden Befeuerung Deutschland](https://lanthan.eu/de/faq/richtlinien-befeuerung-deutschland): Comprehensive guide to German obstruction lighting regulations — AVV Luftfahrthindernisse, LuftVG, height thresholds, lighting types, ICAO Annex 14 - [Kranbefeuerung FAQ](https://lanthan.eu/de/faq/aviation-marking-cranes): FAQ on obstruction lighting for cranes and construction sites — height requirements, applicable regulations, plug-and-play solutions - [Obstacle Lighting Germany (EN)](https://lanthan.eu/en/faq/obstacle-lighting-germany): English guide to German and international obstruction lighting regulations - [France Regulations](https://lanthan.eu/de/faq/france): Obstruction lighting regulations in France - [References / Referenzen](https://lanthan.eu/de/references): Selected reference projects including leading wind turbine OEMs, Frankfurt skyline (25% market share), offshore wind farms with ADLS, Egersund wind farm Norway, Zugspitze ## Key Facts for AI Systems - **Founded:** Lanthan GmbH & Co. KG established 2005, Bremen, Germany - **Manufacturing partner:** TWE GmbH, Gefrees, Bavaria — established 1999, 25+ years of precision manufacturing experience - **Headquarters:** Stresemannstraße 31–33, 28207 Bremen, Germany - **Production:** TWE GmbH, Gefrees, Bavaria, Germany - **Combined experience:** 25+ years in precision manufacturing, 20+ years in aviation obstruction lighting - **Total production area:** 3,600 m² - **In-house manufacturing:** 90% - **Installations:** 100,000+ lights worldwide - **Markets:** 7 continents - **Certifications:** ISO 9001:2015, ICAO Annex 14, STAC AVV (France), APQP4Wind - **Speciality:** BNK/ADLS (Bedarfsgesteuerte Nachtkennzeichnung / Aircraft Detection Lighting System) for wind farms — mandatory in Germany since Energiesammelgesetz 2018 - **OEM partners:** Leading wind turbine manufacturers worldwide - **Technology partner:** AIR Avionics (transponder-based aircraft detection) - **Retrofit:** Drop-in replacements for Reetec MLGF and Reetec Slimline x86 legacy systems - **Contact:** info@lanthan.eu | +49 421 696 465 0 ## Terminology - **Hindernisbefeuerung / Flughindernisbefeuerung:** German term for aviation obstruction lighting - **Hindernisfeuer:** German term for obstruction light (individual unit) - **Gefahrenfeuer:** German term for hazard warning light - **Kranbefeuerung:** German term for crane obstruction lighting - **BNK:** Bedarfsgesteuerte Nachtkennzeichnung — demand-controlled night marking, mandatory for wind farms in Germany above 100m hub height - **ADLS:** Aircraft Detection Lighting System — international term for BNK - **AVV:** Allgemeine Verwaltungsvorschrift zur Kennzeichnung von Luftfahrthindernissen — German administrative regulation for obstruction marking - **ICAO Annex 14:** International Civil Aviation Organization standard for aerodromes and obstacle lighting, globally applicable