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FAA Obstruction Lighting Requirements

Obstruction Lighting Requirements are published by the FAA in Advisory Circulars and Engineering Briefs.  This page contains an overview of these requirements as well as a list of the applicable Advisory Circulars and Engineering Briefs.

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,


FAA Red Obstruction Lighting Requirements
Red Night


FAA Obstruction Lighting Requirements – White Medium Intensity Obstruction Lighting Systems
White Day - White Night


FAA Obstruction Lighting Requirements – Dual Red/White Medium Intensity Obstruction Light Systems
White Day - Red Night
National Association of Tower Erectors

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