20-136B - Aircraft Electrical and Electronic System Lightning Protection

Date Issued
September 07, 2011
Responsible Office
AIR-130,  Aviation Safety - Aircraft Certification Service, Aircraft Engineering Division
Description

This advisory circular (AC) provides you with information and guidance on how you can protect aircraft electrical and electronic systems from the effects of lightning. This AC describes a means, but not the only means, for you to show compliance with Title 14 of the Code of Federal Regulations (14 CFR) 23.1306, 25.1316, 27.1316, and 29.1316, Electrical and electronic system lightning protection, as they pertain to the type or supplemental type certification of your aircraft.

This AC is not mandatory and does not constitute a regulation. However, if you use the means described in this AC to comply with 14 CFR 23.1306, 25 .1316, 27.1316, and 29.131 6, you must follow it in its entirety.

The term "must" is used to indicate mandatory requirements when following the guidance in this AC in its entirety. The terms "should" and "recommend" are used when following the guidance is recommended but not required to comply with this AC.