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United States Department of Transportation United States Department of Transportation

AC 20-158A - The Certification of Aircraft Electrical and Electronic Systems for Operation in the High-intensity Radiated Fields (HIRF) Environment

Document Information

Number
20-158A
Title
The Certification of Aircraft Electrical and Electronic Systems for Operation in the High-intensity Radiated Fields (HIRF) Environment
Status
Active
Date issued
2014-05-30
Office of Primary Responsibility
AIR-130, Aviation Safety - Aircraft Certification Service, Aircraft Engineering Division
Description

a. This advisory circular (AC) will provide you with information and guidance on how to show compliance with Title 14, Code of Federal Regulations (14 CFR) 23.1308, 25.1317, 27.1317, and 29.1317, High-intensity Radiated Fields (HIRF) Protection.

b. This AC is not mandatory and does not constitute a regulation. It describes an acceptable means, but not the only means, for you to show compliance with the requirements for protection of the operation of electrical and electronic systems on an aircraft when the aircraft is exposed to an external HIRF environment. If you use the means described in this AC, you must follow it entirely to comply with this AC. The term "must" is used to indicate mandatory requirements when following the guidance in this AC. The term "should" is used when following the guidance is recommended but not required to comply with this AC.

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