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Obstruction lighting system HORIZON™ AC series
obstaclefor airportLED

obstruction lighting system
obstruction lighting system
obstruction lighting system
obstruction lighting system
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obstruction, obstacle
for airport
Other characteristics
red, white, orange, medium-intensity


The Horizon™ Dual Medium Intensity LED Strobe System provides daytime white and nighttime red lights in one unit. Its self-contained power supply, with available GPS sync and day/night sensor, simplifies wiring but also accepts external signals if desired. Advanced features include advanced LED modules, cutting edge optics, individual LED monitoring/bypass, and active lightning protection. The unit also monitors the system and provides a NO or NC alarm contact upon any system failure. Application: Medium intensity obstruction lighting systems are typically used on structures between 150’ (45m) and 500’ (150m) above ground level to provide aviation safety. The use of a medium intensity white strobe during the daytime typically eliminates the need to paint the structure with aviation orange and white stripes. The use of a red flashing beacon at night provides a “community friendly” light. Hughey & Phillips medium intensity obstruction lights are designed for lighting tall structures such as communication, television and radio towers, wind turbines, smokestacks, cooling towers, tall buildings, catenary river crossings and bridges. FAA Type: L864, L865 or L-864/865 Medium Intensity Lighting ICAO Type: Type A/B Medium Intensity Obstacle Light ETL Certified: FAA Advisory Circular 150/5345-43 Compliant for use with: ICAO Annex 14, MIL-C-7989, DGAC of Mexico, CAR 621.19 Photometric Specifications: Day Mode (White): 20,000 candela ± 25% Night Mode (White or Red): 2,000 candela ± 25% Beam Spread: 3° minimum Horizontal Coverage: 360°, omni-directional Flash Rate: 40 FPM Day & White Night 30 FPM Night Red


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