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Airfield Category: View All
Tower and Obstruction Categories: Low Intensity / Medium Intensity / High Intensity / Accessories

FAA Type: L864, L865 or L-864/865 Medium Intensity Lighting

Horizon™ 2000/2009/3000 AC Series

LED Strobe System Description:

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.


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

hp-products-featured-image-horizon-redPhotometric 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

Environmental Specifications:

  • Temperature: -40°C to +55°C (-40°F to 131°F)
  • Humidity: 95% Relative Humidity
  • Miscellaneous: Will withstand exposure to wind-blown rain from any direction, salt-laden atmosphere and windspeeds of 240 kph (150 mph)


  • Weight, Flashhead: 8 kg (17 lbs)
  • Flashhead Lens Material: High Temp/UV Resistant Acrylic


  • Input Voltages: 100-265 VAC
  • Input Frequencies: 50 or 60 Hz
  • Power Consumption, Day: 25 Watts
  • Power Consumption, Night: 15 Watts
Features Benefits
Original Equipment Manufacturer Designed, engineered and manufactured by Hughey & Phillips
One source for fixtures and complete lighting systems
Single Flashhead Construction Compact design for dual (red/white) operation
Failsafe Redundancy Automatic switching for nighttime redundancy of dual systems
GPS Synchronization Available Built in GPS SYNC module
IR Capability Available Viewable with NVG Goggles
Wiring Compatibility Existing wiring can be used for retrofit applications
Environmentally sealed connector
Fewest number of control wiring on the market
Interchangeable LED Modules Single screw access
Built-in Safety interlock switch
Fully field serviceable unit
Cutting Edge Optics Design H&P exclusively designed ‘Eklipse’ optics package
Community friendly lighting system
Lightest Flashhead 17 lbs
Ease of handling and installation
Universal Input Operating voltage of 95-277 VAC, 50/60Hz

These specifications are subject to change.





Part Number Description
50-0003-001 L-865 LED, MI, HORIZON, 100-265VAC, 40FPM
50-0003-001A L-865 LED, MI, HORIZON, 100-265VAC, 40FPM, GPS
50-0003-001B L-865 LED, MI, HORIZON, 100-265VAC, 40FPM, GPS/PCELL


Part Number Description
50-0002-001 L-864 LED, MI, HORIZON, 100-265VAC, 20-40FPM
50-0002-001A L-864 LED, MI, HORIZON, 100-265VAC, 20-40FPM, GPS
50-0002-001B L-864 LED, MI, HORIZON, 100-265VAC, 20-40FPM, GPS/PCELL


Part Number Description
50-0005-001 L-864 /L-865 LED, MI, HORIZON, 100-265VAC, 20-40FPM
50-0005-001A L-864 /L-865 LED, MI, HORIZON, 100-265VAC, 20-40FPM, GPS
50-0005-001B L-864 /L-865 LED, MI, HORIZON, 100-265VAC, 20-40FPM, GPS/PCELL

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