Airport Articles

Subscribe to Articles

L303-865 and and L303-866: Medium Intensity White Flashing Strobe Obstruction Light

Orga

Category: Aeronautical Obstruction Lights | 01/12/2006 - 13:46:17

Application

Marking of aviation hazards, typically structures such as communication towers, broadcast antennas, electricity transmission and distribution towers, chimneys, bridges, wind turbines and tall buildings.

Technical data / Characteristics

  • Aeronautical White Flashing Obstruction LightOperating voltage: 110-240 Vac (±10 %), 50-60 Hz
  • Power consumption: 100 W continuous @40 fpm during daytime, 35 W continuous @40 fpm during nighttime
  • Control: Internal microprocessor based controller for power management, flash character, daylight on/off and failure alarm control
  • Alarms: Volt free dry alarm relay contact (2 A) for lamp failure. Further alarms and status information via CIP control unit
  • Photocell (Sunswitch): Two internal photocells fitted in the light fixture for automatic day/night control
  • Light source / life expectancy: Xenon flash tube, >2 years life. Safe plug fitting
  • Lensdiameter / colour: Precision injection moulded Ø300 mm fresnel lens. UV resistant with hinged opening / white
  • Divergence (beam angle): 360° horizontal, 3° vertical at 50 % peak
  • Effective intensity: 20.000 Cd white ±25 % in day time mode, 2000 Cd white ±25 % in night time mode
  • Flash character: Factory set: 40 (FAA) or 20-60 (ICAO) fpm
  • Operating temperature: -55 °C to +55 °C, 95 % relative humidity
  • Ingress protection: IP65

Features

  • Used as single light or in multiple light systems
  • Advanced communication facilities in multiple light systems
  • Light weight, omni-directional lights
  • Very high optical efficiency resulting in low power consumption comparing to equivalent products
  • Intelligent lamp control technology for maximum lamplife and low power consumption
  • Simple latch and tilt lens with safety switch protection, and power LED
  • Over voltage protection devices to protect against lightning discharges
  • Low cost cabling scheme
  • Micro-switch provided to disconnect power on opening of the light fixture, with power connected warning LED

Certificates

  • FAA AC150/5345-43E
  • ICAO Annex 14 Vol.1 (compliant)
  • Dutch CAA approval
  • French CAA approval (STNA)

Additional information