ARP5415B User’s Manual for Certification of Aircraft Electrical/Electronic Systems for the Indirect Effects of Lightning



Issuing Committee
This ARP provides detailed information, guidance, and methods in support of the Federal Aviation Administration (FAA) Advisory Circular (AC) 20-136. AC 20-136 provides a means, but not the only means, for demonstrating compliance with Title 14 of the Code of Federal Regulations (14 CFR) 23.1306 (Amendment 23-61), 23.2515 (Amendment 23-64), 25.1316, 27.1316, and 29.1316. It is also intended for this ARP to provide the same information, guidance, and methods, to the European Aviation Safety Agency (EASA) certification specifications CS 23.1306 (Amendment 23/4), 23.2515 (Amendment 23/5), 25.1316, 27.1316, and 29.1316, and associated Acceptable Means of Compliance (AMC) 20-136. This ARP provides references relevant to identifying: (1) acceptance criteria for the indirect effects of lightning compliance approaches, (2) verification (analysis and test) methods including those associated with multiple stroke and multiple burst, (3) recommended design options to optimize needed system immunity to lightning indirect effects, and (4) provide guidance in the areas of continued airworthiness of the lightning protection. Equipment hazards due to the indirect effects on equipment mounted on the aircraft exterior, equipment located within the aircraft interior as well as all associated interconnecting wiring are addressed. This ARP provides additional guidelines in the application of indirect effects of lightning tests identified in DO-160/ED-14 Section 22. The FAA and EASA regulations apply to all adverse effects of lightning for electrical and electronic systems. Refer to ARP5577 for guidance related to lightning direct effects on electrical and electronic systems.
This revision incorporates guidance material that is consistent with Federal Aviation Administration lightning certification regulations 14 CFR 23.1306, 23.2515, 25.1316, 27.1316, and 29.1316. This revision also incorporates changes throughout that are consistent with current guidance and practices in support of the FAA Advisory Circular AC 20-136. The contents were revised and greatly expanded to also be consistent with the Indirect Effects of Lightning related contents of ARP5416.
Due to the extensive re-work and re-organization of this revision, the standard “change bar” indications for the changes are not shown; therefore, an “R” has been placed before the document title.
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SAE International Recommended Practice, User’s Manual for Certification of Aircraft Electrical/Electronic Systems for the Indirect Effects of Lightning, SAE Standard ARP5415B, Revised March 2020, Reaffirmed February 2008, Issued August 2001,
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Mar 5, 2020
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Recommended Practice