ICAO LIOL Type A/B Single Fixture

This single light fixture is a steady burning, low intensity LED obstruction light designed to comply with ICAO LIOL Type A & B requirements. The model can be used for marking obstacles up to 45 metres above ground, such as telecommunication towers, wind turbines, buildings and other tall structures. 


  • Universal 12-48VDC or 110-240VAC and solar power configurations 
  • User-adjustable between 10cd and 32cd intensity settings
  • Lightweight, corrosion resistant
  • Internal diagnostic checking and alarm contact for remote monitoring
  • Integrated light sensor for day/night operation
  • Single LED optic
  • Optional combined visual/IR for pilots using NVG
  • Direct retrofit to traditional fixtures


  • Available with either a ¾ or 1 inch thread type
  • RS422/485 communications port for monitoring
  • IR LED
Obstruction Lights Order Matrix