ICAO Medium Intensity Type B or C

Obstruction Lighting

FAA L 864 Red LED Medium Intensity Obstruction Light
FAA L 864 Red LED Medium Intensity Obstruction LightFAA L 864 Red LED Medium Intensity Obstruction LightRed LED Obstruction Light

ICAO Medium Intensity Type B or C

This Avlite medium intensity LED obstruction light is designed to comply with the requirements of ICAO MIOL Type B and C requirements. The light produces 2000cd effective intensity and is used to mark obstacles from 45 metres above ground such as telecommunication and utility towers, wind turbines, cranes, buildings and other tall structures.

Avlite’s LED obstruction lights offer an ultra bright, energy efficient and cost effective lighting solution. The light fixture is available in two configurations, universal DC (12–48VDC) or universal AC (110–240VAC). The advanced light optic uses multiple, high intensity LEDs for efficient operation. The corrosion resistant, acrylic lens is specifically designed for use with LEDs to maximize light intensity and uniformity.

The light fixture incorporates internal diagnostic checking and an alarm contact for remote monitoring. The alarm relay is energised in normal operation and is released if there is an LED or power fault.

  • Cost effective, energy efficient obstruction lighting solution
  • Available in universal DC: will accept between 12–48VDC
  • Available in universal AC: will accept between 110–240VAC
  • Alarm contact for remote monitoring
  • Light sensor for day/night operation
  • LED technology reduces maintenance time and costs
  • Provision for external hardwire synchronisation
  • Solar powered configurations
  • On-board GPS receiver for synchronisation
  • GSM monitoring to enable operators to remotely monitor the lighting status
  • RS422/485 communication ports for hardwired synchronisation or advanced monitoring


  • Certified to ICAO Annex 14 Volume 1, ‘Aerodrome Design and Operations’, Sixth Edition, July 2013, Table 6.3 – Medium Intensity Obstruction Light Type B (red flashing)
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Product Code: AV-OL-IMB