Red Obstruction Lighting Systems are used to increase conspicuity of structures during nighttime. Daytime and Twilight marking is required and may be accomplished by painting or an appropriate daytime/twilight lighting system. This page contains an overview of red obstruction lighting requirements as well as a list of applicable Advisory Circulars and Engineering Briefs.  ITL, LLC offers a wide range of  Red Only Obstruction Lighting Systems  to aide in compliance with FAA regulations.

AC 70/7460-1 Obstruction Marking and Lighting
AC 150/5345-43 Specification for Obstruction Lighting Equipment
AC 150/5345-53 Airport Lighting Equipment Certification Program
EB 67 Light Sources other than Incandescent and Xenon for Airport and Obstruction Lighting Fixtures

The latest Obstruction Lighting Advisory Circulars
can be found at the FAA web site,

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