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SAE ARP 5415 : 2008

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

USER'S MANUAL FOR CERTIFICATION OF AIRCRAFT ELECTRICAL/ELECTRONIC SYSTEMS FOR THE INDIRECT EFFECTS OF LIGHTNING

Available format(s)

Hardcopy , PDF

Superseded date

16-03-2020

Language(s)

English

Published date

01-01-2008

1 SCOPE
  1.1 Purpose
2 REFERENCES
  2.1 US Federal Aviation Regulations (FAR) and European Joint
      Airworthiness Requirements (JAR)
      2.1.1 FAR
      2.1.2 JAR
  2.2 FAA Advisory Circulars
  2.3 Related Reading Material
      2.3.1 Military Documents
      2.3.2 SAE Publications
      2.3.3 RTCA, Inc. Documents
      2.3.4 EUROCAE Documents
  2.4 Definitions, Abbreviations and Acronyms
      2.4.1 Definitions
      2.4.2 Abbreviations
      2.4.3 Acronyms
3 BACKGROUND/EXPERIENCE
  3.1 Aircraft Lightning Interactions
  3.2 Lightning Indirect Effects
  3.3 Prior Criteria
  3.4 External and Internal Lightning Environment Criteria
  3.5 Increased Attention to Indirect Effects Protection
  3.6 Protection Design
4 APPROACHES TO COMPLIANCE
  4.1 Review Safety Assessment
  4.2 Determine the Lightning Strike Zones for the Aircraft
      4.2.1 Relationship of Lightning Strike Zones to Direct
            Effects
      4.2.2 Relationship of Lightning Strike Zones to Indirect
            Effects
  4.3 Establish the Exterior Lightning Environment for the Zone
  4.4 Establish the Effects of the Internal Environment
      4.4.1 Relationship Between External and Internal Environment
      4.4.2 Induced Transient Mechanisms
      4.4.3 Determining Induced Transients
  4.5 Establish Transient Control Levels and Equipment Transient
      Design Levels
      4.5.1 Actual Transient Level (ATL)
      4.5.2 Transient Control Level (TCL)
      4.5.3 Equipment Transient Design Level (ETDL)
      4.5.4 Equipment Transient Susceptibility Level (ETSL)
      4.5.5 TCL and ETDL Selection
      4.5.6 Waveform Set Selection
      4.5.7 Other TCL and ETDL Selection Considerations
      4.5.8 TCL and ETDL Parametric Discussion
      4.5.9 Multiple Pulse Waveform Sets
  4.6 Verify Compliance
      4.6.1 Equipment and System Tests
      4.6.2 Aircraft Tests
      4.6.3 Verification by Analysis
      4.6.4 Similarity Assessment
  4.7 Corrective Measures
5 EFFECTS OF INDUCED TRANSIENTS
  5.1 Component Damage
  5.2 System Functional Upset
6 MARGINS AND VERIFICATION METHODS
7 MAJOR ELEMENTS OF COMPLIANCE
  7.1 Level A Requirements
      7.1.1 Level A Control Systems
      7.1.2 Level A Display Systems
  7.2 Level B and Level C Requirements
  7.3 Example 1 - System Test Levels Developed from Low Current
      Pulse Test
  7.4 Example 2 - System Test Levels Developed from Low Current
      Pulse Test
      7.4.1 FADEC Computers to the Aircraft and FADEC to FADEC
  7.5 Example 3 - System Test Levels Developed from Swept
      Frequency Tests
      7.5.1 Early Efforts
      7.5.2 Setting ETDLs and TCLs
      7.5.3 Aircraft Tests
      7.5.4 Certification
  7.6 Example 4 - System Test Levels Developed from Similarity
      and Analysis
  7.7 Example 5 - System Test Levels Developed from Generic Data
      Base
8 MAINTENANCE, SURVEILLANCE, REPAIR AND MODIFICATIONS
  8.1 General
      8.1.1 General Definitions
      8.1.2 Inspection Definition
  8.2 Maintenance Procedures and Lightning Protection
      8.2.1 General
      8.2.2 Maintenance of Aircraft Structure Shielding
      8.2.3 Maintenance of Electrical Wiring Installation Protection
      8.2.4 Equipment Maintenance
  8.3 Aircraft Modification and Lightning Protection
  8.4 Protection Assurance Program
      8.4.1 Protection Assurance Program Goals
      8.4.2 Scope of Surveillance
      8.4.3 Selection of Aircraft
      8.4.4 Frequency and Duration of Surveillance Program
      8.4.5 Allowable Lightning Protection Variations
  8.5 In-Service Maintenance Test Techniques
APPENDIX A FARS AND JARS RELATED TO LIGHTNING PROTECTION
APPENDIX B LIGHTNING TRANSIENT COUPLING
APPENDIX C LIGHTNING TRANSIENT PROTECTION DESIGN CONSIDERATIONS
APPENDIX D CERTIFICATION PLAN EXAMPLE

Provides additional information and 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 and (3) recommended design options to optimize needed system immunity to lightning indirect effects.

Committee
AE-2
DocumentType
Standard
Pages
222
PublisherName
SAE International
Status
Superseded
SupersededBy
Supersedes

RTCA DO 178 : C2011 SOFTWARE CONSIDERATIONS IN AIRBORNE SYSTEMS AND EQUIPMENT CERTIFICATION
SAE ARP 4754 : 2010 GUIDELINES FOR DEVELOPMENT OF CIVIL AIRCRAFT AND SYSTEMS
SAE ARP 5413 : 1999 CERTIFICATION OF AIRCRAFT ELECTRICAL/ELECTRONIC SYSTEMS FOR THE INDIRECT EFFECTS OF LIGHTNING
SAE ARP 4761 : 1996 GUIDELINES AND METHODS FOR CONDUCTION THE SAFETY ASSESSMENT PROCESS ON CIVIL AIRBORNE SYSTEMS AND EQUIPMENT
MIL-STD-464 Revision C:2010 ELECTROMAGNETIC ENVIRONMENTAL EFFECTS REQUIREMENTS FOR SYSTEMS
MIL-HDBK-217 Revision F:1991 RELIABILITY PREDICTION OF ELECTRONIC EQUIPMENT
MIL-STD-882 Revision E:2012 System Safety
MIL-STD-461 Revision G:2015 REQUIREMENTS FOR THE CONTROL OF ELECTROMAGNETIC INTERFERENCE CHARACTERISTICS OF SUBSYSTEMS AND EQUIPMENT
SAE ARP 5416 : 2013 AIRCRAFT LIGHTNING TEST METHODS
SAE ARP 5414 : 2012 AIRCRAFT LIGHTNING ZONE
SAE ARP 5412 : 2013 AIRCRAFT LIGHTNING ENVIRONMENT AND RELATED TEST WAVEFORMS

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