Obstacle light for day and night time marking of structures that present a hazard to aviation. Optimized for use in Offshore environments. White flashing in day and White flashing and/or Red/Infrared flashing/steady in night mode. Incorporates the benefits of advanced LED, optical and system control technologies to meet the most demanding applications.

Orga Aviation – Datasheet Drawing – L550 SE – r00-01
Orga Aviation – Datasheet Drawing – L550 SE – r00-02
Orga Aviation – Datasheet Drawing – L550 SE – r00-03
Key features

  • Designed for optimal corrosion resistance in offshore environments due to usage of best-in-class aluminium with “Excellent Resistance to Corrosion” classification and offshore proven coating system
  • Optimised housing design minimizing the risk of coating damage during handling and installation
  • Stainless steel mounting feet eliminating galvanic corrosion between feet and structure
  • No maintenance required over service life.
  • Orga optical design produces highly accurate and uniform narrow light beam
  • Integrated design with build-in photocell and monitoring – no additional power supply enclosure needed.
  • Integrated GPS based flash synchronization between lights, UTC 0.0.0.
  • Low power consumption
  • 15 year field proven power supply technology
  • Made in the Netherlands

Electrical characteristics

  • Available Operating voltages: 120-240Vac nominal 50-60Hz or 40-64 Vdc, see table
  • Power consumption: See table
  • Overvoltage protection: Class III according to IEC61643-1
Standards/ Certification

  • Certified to ICAO Annex 14 Volume 1, Ninth Edition, July 2022, Chapter 6, Medium Intensity Type A/ B / C obstacle light
  • Certified to French “Arrêté du 23 avril 2018 relatif à la réalisation du balisage des obstacles à la navigation aérienne”
  • Certified to United States Federal Aviation Administration AC150/5345-43J, March 2019 including Engineering brief 67D
  • Certified to specific requirements for obstruction lights described in UK CAA CAP 393 article 220 (10 January 2015) and Policy Statement of November 2012 concerning lighting and marking of windturbines in UK territorial waters
  • Complies with UK MOD Requirements for Infrared light for windturbines
  • Various national approvals available upon request

Performance characteristics

  • Horizontal beam pattern: 360°
  • Vertical beam pattern: 3° minimum
  • Intensity White light: See table
  • Intensity Red light: See table
  • Infra-Red wavelength ~850nm
  • Infra-Red beam follows visible light, or beam is according to local standards
Physical characteristics

  • Dimensions: L x W x H: See drawing
  • Weight: 16kg
  • Design degree of protection: IP65
  • Operating temperature range: -40 ºC/+55 ºC
  • Shipping information: 550 x 550 x 400 mm; approx. 20 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 provides control interfaces for:
    • “smart switch” aircraft detection input
    • Visibility condition variable intensity input
    • Visibility condition variable intensity input; intensity steps 30% and 10%
    • Remote photocell control input/override