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

Aerospace Standard
ARP5415B
Revised

Published March 05, 2020 by SAE International in United States

Sector:

Aerospace

Issuing Committee:

AE-2 Lightning Committee

Language: English

Scope

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.

Rationale

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.

Data Sets - Support Documents

Title	Description	Download
Unnamed Dataset 1
Unnamed Dataset 2
Unnamed Dataset 3
Unnamed Dataset 4
Unnamed Dataset 5
Table 1	Shielding effectiveness of aircraft skin materials
Table 2	Lightning failure conditions and certification levels
Table 3	Common test entry/exit points
Table 4	Examples of similarity cases
Table 5	Guidance on the use of similarity for changes of material
Table 6	Guidance on the use of similarity for changes to structural interfaces or structural bonding
Table 7	Guidance on the use of similarity for changes to apertures or slots in size/shape/number
Table 8	Guidance on the use of similarity for changes to electrical installations
Table 9	Standard test waveform norms
Table 10	Time domain response waveform with only pulse-like components norms
Table 11	Waveform reduction example 1 norms
Table 12	Waveform reduction example 2 adjusted norm values
Table 13	Waveform reduction example 2 adjusted norm values
Table 14	Waveform reduction example 3 norms
Table 15
Table 16	Waveform reduction example 5 norms
Table 17	Example table of ATLs
Table 18	Attenuation due to adjacent low impedance conductors for various cable bundle lengths (example only not generic data)
Table 19	Single shielded wire Waveform 1 (i ), component A
Table 20	Single shielded wire Waveform 2 (v ), component A
Table 21	Single shielded wire Waveform 3 (i ), component A
Table 22	Single shielded wire Waveform 3 (v ), component A
Table 23	Single unshielded wire Waveform 1 (i ), component A
Table 24	Single unshielded wire Waveform 3 (i ), component A
Table 25	Single unshielded wire Waveform 2 (v ), component A
Table 26	Single unshielded wire Waveform 3 (v ), component A
Table 27	Shield measurements for one shield Waveform 1 (i ), component A
Table 28	Shield measurements for one shield Waveform 3 (i ), component A
Table 29	Shield measurements for one shield Waveform 1 (i ), component H
Table 30	Single unshielded wire Waveform 3 (v ), component H
Table 31	Summary of cable bundle ETDLs
Table 32	Summary of pin injection ETDLs
Table 33	Examples of system setup installation similarity applications
Table 34	Summary for level a display functions example
Table 35	Examples of system and equipment design similarity applications
Table 36	Aircraft structure and sub-structural shielding inspections
Table 37	Wiring installation protection inspections

Reference

Number	Title

2020-03-05	\|	ARP5415B
2008-02-16	\|	ARP5415A
2001-08-01	\|	ARP5415

Citation
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Aerospace Standard	Certification of Aircraft Electrical/Electronic Systems for the Indirect Effects of Lightning
Aerospace Standard	Aircraft Lightning Test Methods

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

Scope

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