High intensity Obstruction light for day and night time marking of structures that present a hazard to aviation. White flashing in day and white flashing or red flashing / steady /Infra-Red in night mode. Incorporates the benefits of advanced LED, optical and system control technologies to meet the most demanding applications.

Orga Aviation – Datasheet Drawing – L500 – 50Kcd – rP00-01
Orga Aviation – Datasheet Drawing – L500 – 50Kcd – rP00-02
Orga Aviation – Datasheet Drawing – L500 – 50Kcd – rP00-03

Key features

  • Five year warranty
  • Housing based on 30 years of experience offshore product design experience
  • Lightweight and easy to install
  • Extremely low wind factor
  • Integrated design with built-in photocell and monitoring – no additional power supply enclosures required
  • Built in GPS for synchronisation
  • No maintenance required over service life
  • Orga optical design produces highly accurate and uniform narrow light beam
  • Optional Integrated automatic flash synchronisation between lights
  • Extremely low power consumption
  • Constant power draw for white variants – eliminates high peak power demands especially important when running from UPS
  • 15 year field proven power supply technology
  • Long life power supply to match LED life, does not use electrolytic capacitors
  • Made in the Netherlands


  • Complies with ICAO Annex 14 Volume 1, Ninth Edition, July 2022, Chapter 6, High Intensity Type B obstacle light
  • Trafi wind turbines day markings and obstacle lights 12.11.2013

Performance characteristics

  • Horizontal beam pattern: 360°
  • Flashing: see table
  • Effective intensity: see table
  • Vertical beam pattern: 3° minimum
  • Infra-Red (if applicable) wavelength ~850nm

Electrical characteristics

  • Operating voltage: 120-240Vac nominal 50-60Hz
  • Power factor: >0.9 in day intensity mode
  • Power consumption: see table
  • Power consumption heater: standard 95w
  • Overvoltage protection: Class III according to IEC61643-1

Physical characteristics

  • Dimensions: L x W x H:
    see drawing
  • Weight: 23kg
  • Design degree of protection: IP65
  • Operating temperature range:
  • Shipping information:
    666 x 666 x 530 mm; approx. 24.9 kg
  • Supplied with pre-mounted Orga cable for easy installation and high reliability ready for use
  • Cable bending radius static: 10x cable diameter
  • Outer cable diameter: Ø12.5 +/- 0.5 mm
  • Cable weight: 260 g/m
  • Level indicators for correct mounting

System design, control and monitoring

  • Use as a stand-alone light, or in a multiple light system with an Orga CIP controller
  • Optional Orga CIP controller facilities provide control interfaces for:
    – ‘smart switch’ aircraft detection input
    – Remote photocell control input/override
    – Visibility condition variable intensity input; intensity steps 100%, 30% and 10%