Disclaimer: The information provided is for general informational and educational purposes only. Nothing contained herein shall be construed as guidance for, or a basis of, compliance of any regulatory or certification standards. This information must not be used as the sole basis for the certification, inspection, repair, modification, or return to service of any aircraft, product, or component. Users are responsible for consulting appropriate, approved technical data, regulatory authorities, before performing any maintenance, modification, or return-to-service actions.

List of Aircraft Lighting Advisory Circulars (ACs)

AC 20-138D – Airborne Electronic Hardware and Lighting Systems

Link: FAA Document

Description: This circular provides guidance on the certification of airborne electronic hardware, including lighting systems, to ensure compliance with FAA regulations. It addresses electromagnetic interference (EMI) and system integration standards critical for modern aircraft lighting.

AC 20-30B – Aircraft Position and Anti-Collision Lighting Systems

Link: FAA Document

Description: Focuses on the operational and regulatory standards for position lights and anti-collision lights required for aircraft visibility. The document outlines installation and maintenance procedures to comply with FAA safety standards.

AC 20-74 – Aircraft Exterior and Interior Lighting

Link: FAA Document

Description: Covers the design, installation, and performance requirements for both exterior and interior aircraft lighting. It provides recommendations for emergency lighting, passenger comfort, and operational effectiveness in various flight conditions.

AC 43-217 – Aircraft Lighting System Maintenance and Inspection

Link: FAA Document

Description: Provides maintenance guidelines for aircraft lighting systems, emphasizing periodic inspections, troubleshooting, and compliance with airworthiness standards. This AC is essential for maintenance personnel responsible for ensuring proper lighting function