OBSTA APPLICATIONS PRODUCTS DOWNLOAD VIDEOS NEWS CONTACT LOW INTENSITY NAVILITE OBSTA HI STI NAVILITE L-810 TLOF FOR HELIPAD CONTACT OBSTA - 2 rue Troyon 92316 Sèvres Cedex - France Tel: +33.1.41.23.50.10 Fax: +33.1.41.23.50.11 contact AT info@obsta.com APPLICATIONS Pylons, wind masts Chimney Transmission lines Crane Buildings Wind Turbines Airport PRODUCTS Low intensity Medium intensity High intensity Balisors Accessories Day marker © Copyright OBSTA 2019, All rights reserved. Legal - Contact

OBSTA APPLICATIONS PRODUCTS DOWNLOAD VIDEOS NEWS CONTACT COMPANY HISTORY Company history OBSTA, a subsidiary of CITEL group (www.citel.fr) is part of an industrial group that engineers, manufactures and sells obstruction lights for transmission lines, telecom and broadcast towers and all kind of obstacle to air navigation. Or obstruction lights are manufactured by us based on ICAO annex 14 chapter 6 (International Civil Aviation Organization) recommendations and the FAA (Federal Aviation Administration). OBSTA has manufacturing facilities in France and has sales office located in France, Germany, USA, and China through Citel. A long history Before joining Citel in the years 90, Obsta was part of the company Claude that was manufacturing all kind of lamps. This company was created by Georges Claude (September 24th 1870 – May 23th 1960) a French physicist and chemist : 1902 Extraction of rare gas from the air (neon, argon, xenon..) and creation of the company Air liquide 1910 Invention of the first modern patented discharge lamp tube and creation of Claude company manufacturing all kind of discharge and incandescence lights 1960 Invention of the first balisors for transmission lines 1992 Bought by Citel manufacturing gas tube and surge protection 2003 New led NAVILITE obstruction lights red fixed 2008 New obstaflash led series flashing type medium and high intensity Test facilities In order to test its products internally for standards compliance and to evolve toward greater reliability OBSTA has several test sites (France, USA) equipped with : Photometric band with visible and infrared capability 1.2/50-8/20µs hybrid wave generators up to 20 kV/10 kA HT digital Oscilloscope fast Material for test environment (damp heat, climate, shock) Locations An international company, Obsta is part of CITEL group with international commercial subsidiaries. Citel Electronics GmbH Citel Inc Shanghai Citel Electronics Co CONTACT OBSTA - 2 rue Troyon 92316 Sèvres Cedex - France Tel: +33.1.41.23.50.10 Fax: +33.1.41.23.50.11 contact AT info@obsta.com APPLICATIONS Pylons, wind masts Chimney Transmission lines Crane Buildings Wind Turbines Airport PRODUCTS Low intensity Medium intensity High intensity Balisors Accessories Day marker © Copyright OBSTA 2019, All rights reserved. Legal - Contact