In the United States, the Federal Aviation Administration (FAA) governs obstruction and aircraft warning light regulations to ensure all structures are visible day and night. According to FAA tower lighting requirements, any temporary or permanent structure that exceeds 200 feet should be marked with lights and/or paint. Adhering to these federal aviation regulations is essential for aircraft safety—click here to read the full FAA advisory circular on obstruction marking and lighting.

We provide a complete obstruction lighting package that meets federal aviation regulations. Check out our guidelines below to learn where to install aircraft warning lights on towers and how many are required. For specific questions relating to your project, please contact us for more information.

FAA Wind Turbine Lighting Requirements

FAA Requirements for Temporary Marking of Wind Turbines during Construction

To comply with current 2016 FAA recommendations for wind turbine construction, a company must:

  • Light wind turbines once they reach 200 feet during construction (submitting a Notice to Airmen (NOTAM) to justify not lighting the turbines is prohibited)
  • Use an FAA compliant L-810 light with a minimum intensity of 32.5 candela (cd)
  • Ensure temporary solar lighting systems have 7 days of autonomy at 32.5 cd


faa lighting guidelines for wind turbines under construction resource cover
Read our FAA requirements resource.
FAA Requirements for Permanent Medium-Intensity Lighting

Wind turbines under 500 feet (152 meters) must be lit with one L-864 medium-intensity flashing red light. For wind turbines taller than 500 feet, two L-864 lights must be mounted on the opposite rear sides of the nacelle to meet FAA AC 70/7460-1L specifications.

Review the latest FAA Circulatory on Obstruction Marking and Lighting (Section 13).

faa wind turbine lighting requirements lighting thumbnail
Read the FAA requirements for permanent wind turbine lighting.

Contact Us to Get Started