WT150E-1F864 Medium Intensity Aviation Obstruction Lighting System for wind turbines

Solution Series No.: WT150E-1F864

Wind Turbines

Structure Type



Obstruction Lighting Arrangement

  • One red medium intensity obstruction light (FAA L-864 type/ICAO MIOL-B type) is placed on top of the nacelle, red flashing 2,000cd±25% at nighttime.
  • All red beacons with built-in GPS module in a wind farm for flashing synchronously
  • For turbines with a height less than 150m, not all turbines in a wind farm need to be illuminated. It depends on the location within a wind turbine farm.

Standard Reference

  • ICAO Annex 14 Volume I 2018, Chapter 6
  • FAA 70/7460-1L, Red Obstruction Lighting for wind turbines, A23-A27

Key Points


Operation Time


Illumination Color

1 level

OB Levels

Medium Intensity

Intensity Type

Electric powered

Power Type


Built-in photocell, External photocell, Control box

Control Type



Through built-in dry contacts in OB lights, Through dry contacts in control box

Alarm Via

Battery backup box for DC OB system, UPS backup box for AC OB system

Backup Power

Solution Products

Request a Quote

Solution Inquiry Form