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Available versions for ERULES-1963177438-18061
ED Decision 2020/023/R
found in: AMC-20 Amdt 23 - Airworthiness of Products, Parts and Appliances (Jan 2022)
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# Table of contents [Disclaimer.................................................................................. 4](#_Toc256000000) [Note from the editor................................................................... 5](#_Toc256000002) [Acceptable means of compliance................................................. 5](#_Toc256000003) [Guidance material...................................................................... 5](#_Toc256000004) [Incorporated amendments.......................................................... 6](#_Toc256000005) [Table of contents........................................................................ 7](#_Toc256000006) [Preamble 11](#_Toc256000007) [SUBPART A — GENERAL............................................................ 17](#_Toc256000008) [SUBPART A — GENERAL........................................................................................... 17](#_Toc256000009) [AMC 20-1A.......................................................................................... 17](#_Toc256000010) [AMC 20-1A Certification of Aircraft Propulsion Systems Equipped with Electronic Control Systems................................................................................................................................... 17](#_Toc256000011) [AMC 20-2B........................................................................................... 21](#_Toc256000012) [AMC 20-2B Certification of Essential Auxiliary Power Units (APUs) Equipped with Electronic Controls..................................................................................................................... 21](#_Toc256000013) [Appendix to AMC 20-2B........................................................................................... 25](#_Toc256000014) [AMC 20-3B........................................................................................... 26](#_Toc256000015) [AMC 20-3B Certification of Engines Equipped with Electronic Engine Control Systems 26](#_Toc256000016) [AMC 20-6B........................................................................................... 55](#_Toc256000017) [AMC 20-6B Extended-range operation with two-engine aeroplanesETOPS certification and operation................................................................................................................... 55](#_Toc256000018) [Appendix 1 to AMC 20-6B – Propulsion system reliability assessment....................... 82](#_Toc256000019) [Appendix 2 to AMC 20-6B – Aircraft systems reliability assessment.......................... 92](#_Toc256000020) [Appendix 3 to AMC 20-6B – Operational limitations................................................. 98](#_Toc256000021) [Appendix 4 to AMC 20-6B – Flight preparation and in-flight procedures.................... 99](#_Toc256000022) [Appendix 5 to AMC 20-6B – ETOPS en-route alternate aerodromes......................... 104](#_Toc256000023) [Appendix 6 to AMC 20-6B – ETOPS training programme.......................................... 106](#_Toc256000024) [Appendix 7 to AMC 20-6B – Typical ETOPS operations manual supplement............. 108](#_Toc256000025) [Appendix 8 to AMC 20-6B – Continuing airworthiness considerations..................... 110](#_Toc256000026) [AMC 20-8A........................................................................................ 115](#_Toc256000027) [AMC 20-8A Occurrence reporting.......................................................................... 115](#_Toc256000028) [AMC 20-9........................................................................................... 122](#_Toc256000029) [AMC 20-9 Acceptable Means of Compliance for the Approval of Departure Clearance via Data Communications over ACARS................................................................................. 122](#_Toc256000030) [Appendix 1 to AMC 20-9 PDC versus DCL: A Comparison......................................... 128](#_Toc256000031) [Appendix 2 to AMC 20-9Common Terms................................................................ 129](#_Toc256000032) [AMC 20-10......................................................................................... 130](#_Toc256000033) [AMC 20-10Acceptable Means of Compliance for the Approval of Digital ATIS via Data Link over ACARS...................................................................................................................... 130](#_Toc256000034) [Appendix 1 to AMC 20-10 Common Terms.............................................................. 137](#_Toc256000035) [AMC 20-15......................................................................................... 138](#_Toc256000036) [AMC 20-15 Airworthiness Certification Considerations for the Airborne Collision Avoidance System (ACAS II) with optional Hybrid Surveillance.............................................. 138](#_Toc256000037) [Appendix 1 to AMC 20-15 – ACAS II/Mode S Transponder Ground Testing Precautions 144](#_Toc256000038) [Appendix 2 to AMC 20-15 – List of Acronyms.......................................................... 145](#_Toc256000039) [AMC 20-19......................................................................................... 145](#_Toc256000040) [AMC 20-19 Passenger Service and In-Flight Entertainment (IFE)Systems............ 145](#_Toc256000041) [AMC 20-20B....................................................................................... 164](#_Toc256000042) [AMC 20-20B Continuing structural integrity programme..................................... 164](#_Toc256000044) [Appendix 1 to AMC 20-20BGuidelines for the development of a supplementary structural inspection programme........................................................................................................... 181](#_Toc256000045) [Appendix 2 to AMC 20-20B Guidelines for the development of a programme to preclude the occurrence of widespread fatigue damage............................................................................... 188](#_Toc256000046) [Annex 1 to Appendix 2 to AMC 20-20B Full-scale fatigue test evidence................. 213](#_Toc256000047) [Annex 2 to Appendix 2 to AMC 20-20B Example of how to establish an LOV......... 219](#_Toc256000048) [Appendix 3 to AMC 20-20B Guidelines for establishing instructions for continued airworthiness of structural repairs and modifications....................................................................... 222](#_Toc256000049) [Annex 1 to Appendix 3 to AMC 20-20B Approval process for new repairs............. 238](#_Toc256000050) [Annex 2 to Appendix 3 to AMC 20-20B Assessment of existing repairs.................. 239](#_Toc256000051) [Annex 3 to Appendix 3 to AMC 20-20B Repairs and modifications to removable structural components......................................................................................................................... 244](#_Toc256000052) [Annex 4 to Appendix 3 to AMC 20-20B Service bulletin review process................. 247](#_Toc256000053) [Annex 5 to Appendix 3 to AMC 20-20B List of major changes and STCs that may adversely affect fatigue-critical structure................................................................................................ 250](#_Toc256000054) [Annex 6 to Appendix 3 to AMC 20-20B Background to the need for damage-tolerance-based inspection programmes for repairs..................................................................................... 250](#_Toc256000055) [Appendix 4 to AMC 20-20B Guidelines for the development of a corrosion prevention control programme............................................................................................................................. 251](#_Toc256000056) [Appendix 5 to AMC 20-20B— Guidelines for ensuring the validity of continuing structural integrity programmes.......................................................................................................... 263](#_Toc256000057) [AMC 20-21......................................................................................... 272](#_Toc256000058) [AMC 20-21 Programme to enhance aeroplane Electrical Wiring Interconnection System (EWIS) maintenance........................................................................................................... 272](#_Toc256000059) [Appendix A to AMC 20-21 Enhanced Zonal Analysis Logic Diagram and Steps.......... 288](#_Toc256000060) [Appendix B to AMC 20-21 Examples of Typical EZAP Worksheets............................ 297](#_Toc256000061) [Appendix C to AMC 20-21 Determination if a major change to an aircraft should be specifically subjected to an EZAP............................................................................................................. 304](#_Toc256000062) [Appendix D to AMC 20-21...................................................................................... 306](#_Toc256000063) [Appendix E to AMC 20-21 Causes of Wire Degradation........................................... 306](#_Toc256000064) [AMC 20-22......................................................................................... 308](#_Toc256000065) [AMC 20-22 Aeroplane Electrical Wiring Interconnection System Training Programme 308](#_Toc256000066) [Appendix A to AMC 20-22 – EWIS Minimum Initial Training Programme for Group 1 and 2 315](#_Toc256000067) [Appendix B to AMC 20-22 – EWIS Minimum Initial Training Programmefor Group 3 through 8 316](#_Toc256000068) [Appendix C to AMC 20-22 – Curriculum and Lessons Plan........................................ 318](#_Toc256000069) [AMC 20-23......................................................................................... 332](#_Toc256000070) [AMC 20-23 Development of Electrical Standard Wiring Practices documentation 332](#_Toc256000071) [Appendix A: Groups, Major Topics, Standardised Sequence and Description of Minimum Content 338](#_Toc256000072) [AMC 20-24......................................................................................... 340](#_Toc256000073) [AMC 20-24 Certification Considerations for the Enhanced ATS in Non-Radar Areas using ADS-B Surveillance (ADS-B-NRA) Application via 1090 MHZ Extended Squitter............ 340](#_Toc256000074) [Appendix 1 to AMC 20-24...................................................................................... 354](#_Toc256000075) [Appendix 2 to AMC 20-24...................................................................................... 355](#_Toc256000076) [Appendix 3 to AMC 20-24...................................................................................... 356](#_Toc256000077) [Appendix 4 to AMC 20-24...................................................................................... 357](#_Toc256000078) [AMC 20-25A...................................................................................... 359](#_Toc256000079) [AMC 20-25AAirworthiness considerations for Electronic Flight Bags (EFBs)....... 359](#_Toc256000080) [AMC 20-29......................................................................................... 368](#_Toc256000081) [AMC 20-29 Composite Aircraft Structure.............................................................. 368](#_Toc256000082) [Appendix 1 to AMC 20-29– Applicable CSs and Relevant Guidance.......................... 394](#_Toc256000083) [Appendix 2 to AMC 20-29 – Definitions.................................................................. 398](#_Toc256000084) [Appendix 3 to AMC 20-29 – Change of Composite Material and/or Process............. 400](#_Toc256000085) [AMC 20-42......................................................................................... 403](#_Toc256000086) [AMC 20-42 Airworthiness information security risk assessment......................... 403](#_Toc256000087) [AMC 20-115D.................................................................................... 407](#_Toc256000088) [AMC 20-115D Airborne Software Development Assurance Using EUROCAE ED-12 and RTCA DO-178........................................................................................................................... 407](#_Toc256000089) [GM1 to AMC 20-115D — Software change impact analyses (CIAs)........................... 419](#_Toc256000090) [GM2 to AMC 20-115D — Clarification of data coupling and control coupling........... 420](#_Toc256000091) [GM3 to AMC 20-115D — Error-handling at design level.......................................... 420](#_Toc256000092) [AMC 20-128A..................................................................................... 421](#_Toc256000093) [AMC 20-128A Design Considerations for Minimizing Hazards Caused by Uncontained Turbine Engine and Auxiliary Power Unit Rotor Failure..................................................... 421](#_Toc256000094) [Appendix 1 to AMC 20-128A User’s Manual............................................................ 438](#_Toc256000095) [AMC 20-136A..................................................................................... 454](#_Toc256000096) [AMC 20-136A Aircraft Electrical and Electronic System Lightning Protection..... 454](#_Toc256000097) [Appendix 1 to AMC 20-136A — Definitions and acronyms....................................... 479](#_Toc256000098) [Appendix 2 to AMC 20-136A — Examples of lightning safetyassessment considerations — Level A systems on large aeroplanes............................................................................................... 481](#_Toc256000099) [AMC 20-152A..................................................................................... 490](#_Toc256000100) [AMC 20-152A Development Assurance for Airborne Electronic Hardware (AEH) 490](#_Toc256000101) [AMC 20-158A..................................................................................... 510](#_Toc256000102) [AMC 20-158A Aircraft electrical and electronic system high-intensity radiated fields (HIRF) protection................................................................................................................ 510](#_Toc256000103) [Appendix 1 to AMC 20-158A — Definitions and acronyms....................................... 539](#_Toc256000104) [Appendix 2 to AMC 20-158A — Generic transfer functions and attenuation............ 542](#_Toc256000105) [Appendix 3 to AMC 20-158A — Examples of HIRF safety assessment considerations — Level A systems on large aeroplanes.................................................................................................... 546](#_Toc256000106) [AMC 20-170....................................................................................... 554](#_Toc256000107) [AMC 20-170 Integrated modular avionics (IMA)................................................... 554](#_Toc256000108) [AMC 20-189....................................................................................... 578](#_Toc256000109) [AMC 20-189 The Management of Open Problem Reports (OPRs)....................... 578](#_Toc256000110) [GM1 to AMC 20-189 — PR management................................................................ 584](#_Toc256000111) [GM2 to AMC 20-189 — OPR classification............................................................... 585](#_Toc256000112) [GM3 to AMC 20-189 — Additional GM related to the ‘Significant’ classification...... 586](#_Toc256000113) [AMC 20-193....................................................................................... 586](#_Toc256000114) [AMC 20-193 Use of multi-core processors............................................................. 586](#_Toc256000115) [SUBPART B — LIST OF AMC-20 ITEMS....................................... 598](#_Toc256000116) [SUBPART B — LIST OF AMC-20 ITEMS................................................................... 598](#_Toc256000117)
# Table of contents [Disclaimer. 4](#_Toc135057622) [Note from the editor. 5](#_Toc135057623) [Incorporated amendments. 6](#_Toc135057626) [Table of contents. 7](#_Toc135057627) [Preamble. . 11](#_Toc135057628) [SUBPART A — GENERAL. 16](#_Toc135057629) [SUBPART A — GENERAL. 16](#_Toc135057630) [AMC 20-1A.. 16](#_Toc135057631) [AMC 20-1A Certification of Aircraft Propulsion Systems Equipped with Electronic Control Systems 16](#_Toc135057632) [AMC 20-2B. 20](#_Toc135057633) [AMC 20-2B Certification of Essential Auxiliary Power Units (APUs) Equipped with Electronic Controls 20](#_Toc135057634) [Appendix to AMC 20-2B. 24](#_Toc135057635) [AMC 20-3B. 25](#_Toc135057636) [AMC 20-3B Certification of Engines Equipped with Electronic Engine Control Systems 25](#_Toc135057637) [AMC 20-6B. 54](#_Toc135057638) [AMC 20-6B Extended-range operation with two-engine aeroplanes ETOPS certification and operation 54](#_Toc135057639) [Appendix 1 to AMC 20-6B – Propulsion system reliability assessment 81](#_Toc135057640) [Appendix 2 to AMC 20-6B – Aircraft systems reliability assessment 91](#_Toc135057641) [Appendix 3 to AMC 20-6B – Operational limitations. 97](#_Toc135057642) [Appendix 4 to AMC 20-6B – Flight preparation and in-flight procedures. 98](#_Toc135057643) [Appendix 5 to AMC 20-6B – ETOPS en-route alternate aerodromes. 103](#_Toc135057644) [Appendix 6 to AMC 20-6B – ETOPS training programme. 105](#_Toc135057645) [Appendix 7 to AMC 20-6B – Typical ETOPS operations manual supplement 107](#_Toc135057646) [Appendix 8 to AMC 20-6B – Continuing airworthiness considerations. 109](#_Toc135057647) [AMC 20-8A.. 114](#_Toc135057648) [AMC 20-8A Occurrence reporting. 114](#_Toc135057649) [AMC 20-9. 121](#_Toc135057650) [AMC 20-9 Acceptable Means of Compliance for the Approval of Departure Clearance via Data Communications over ACARS 121](#_Toc135057651) [Appendix 1 to AMC 20-9 PDC versus DCL: A Comparison. 127](#_Toc135057652) [Appendix 2 to AMC 20-9 Common Terms 128](#_Toc135057653) [AMC 20-10. 129](#_Toc135057654) [AMC 20-10 Acceptable Means of Compliance for the Approval of Digital ATIS via Data Link over ACARS 129](#_Toc135057655) [Appendix 1 to AMC 20-10 Common Terms 136](#_Toc135057656) [AMC 20-15. 136](#_Toc135057657) [AMC 20-15 Airworthiness Certification Considerations for the Airborne Collision Avoidance System (ACAS II) with optional Hybrid Surveillance. 136](#_Toc135057658) [Appendix 1 to AMC 20-15 – ACAS II/Mode S Transponder Ground Testing Precautions. 142](#_Toc135057659) [Appendix 2 to AMC 20-15 – List of Acronyms 143](#_Toc135057660) [AMC 20-19. 144](#_Toc135057661) [AMC 20-19 Passenger Service and In-Flight Entertainment (IFE) Systems. 144](#_Toc135057662) [AMC 20-20B. 162](#_Toc135057663) [AMC 20-20B Continuing structural integrity programme. 162](#_Toc135057664) [Appendix 1 to AMC 20-20B Guidelines for the development of a supplementary structural inspection programme 180](#_Toc135057665) [Appendix 2 to AMC 20-20B Guidelines for the development of a programme to preclude the occurrence of widespread fatigue damage 187](#_Toc135057666) [Annex 1 to Appendix 2 to AMC 20-20B Full-scale fatigue test evidence. 212](#_Toc135057667) [Annex 2 to Appendix 2 to AMC 20-20B Example of how to establish an LOV. 218](#_Toc135057668) [Appendix 3 to AMC 20-20B Guidelines for establishing instructions for continued airworthiness of structural repairs and modifications 221](#_Toc135057669) [Annex 1 to Appendix 3 to AMC 20-20B Approval process for new repairs 238](#_Toc135057670) [Annex 2 to Appendix 3 to AMC 20-20B Assessment of existing repairs 239](#_Toc135057671) [Annex 3 to Appendix 3 to AMC 20-20B Repairs and modifications to removable structural components 245](#_Toc135057672) [Annex 4 to Appendix 3 to AMC 20-20B Service bulletin review process 248](#_Toc135057673) [Annex 5 to Appendix 3 to AMC 20-20B List of major changes and STCs that may adversely affect fatigue-critical structure 251](#_Toc135057674) [Annex 6 to Appendix 3 to AMC 20-20B Background to the need for damage-tolerance-based inspection programmes for repairs 251](#_Toc135057675) [Appendix 4 to AMC 20-20B Guidelines for the development of a corrosion prevention control programme 252](#_Toc135057676) [Appendix 5 to AMC 20-20B — Guidelines for ensuring the validity of continuing structural integrity programmes 264](#_Toc135057677) [AMC 20-21. 273](#_Toc135057678) [AMC 20-21 Programme to enhance aeroplane Electrical Wiring Interconnection System (EWIS) maintenance 273](#_Toc135057679) [Appendix A to AMC 20-21 Enhanced Zonal Analysis Logic Diagram and Steps. 289](#_Toc135057680) [Appendix B to AMC 20-21 Examples of Typical EZAP Worksheets 298](#_Toc135057681) [Appendix C to AMC 20-21 Determination if a major change to an aircraft should be specifically subjected to an EZAP 305](#_Toc135057682) [Appendix D to AMC 20-21. 307](#_Toc135057683) [Appendix E to AMC 20-21 Causes of Wire Degradation. 307](#_Toc135057684) [AMC 20-22. 309](#_Toc135057685) [AMC 20-22 Aeroplane Electrical Wiring Interconnection System Training Programme 309](#_Toc135057686) [Appendix A to AMC 20-22 – EWIS Minimum Initial Training Programme for Group 1 and 2 316](#_Toc135057687) [Appendix B to AMC 20-22 – EWIS Minimum Initial Training Programme for Group 3 through 8 317](#_Toc135057688) [Appendix C to AMC 20-22 – Curriculum and Lessons Plan. 319](#_Toc135057689) [AMC 20-23. 333](#_Toc135057690) [AMC 20-23 Development of Electrical Standard Wiring Practices documentation. 333](#_Toc135057691) [Appendix A: Groups, Major Topics, Standardised Sequence and Description of Minimum Content 340](#_Toc135057692) [AMC 20-24. 341](#_Toc135057693) [AMC 20-24 Certification Considerations for the Enhanced ATS in Non-Radar Areas using ADS-B Surveillance (ADS-B-NRA) Application via 1090 MHZ Extended Squitter. 341](#_Toc135057694) [Appendix 1 to AMC 20-24. 355](#_Toc135057695) [Appendix 2 to AMC 20-24. 356](#_Toc135057696) [Appendix 3 to AMC 20-24. 357](#_Toc135057697) [Appendix 4 to AMC 20-24. 358](#_Toc135057698) [AMC 20-25A.. 360](#_Toc135057699) [AMC 20-25A Airworthiness considerations for Electronic Flight Bags (EFBs) 360](#_Toc135057700) [AMC 20-29. 369](#_Toc135057701) [AMC 20-29 Composite Aircraft Structure. 369](#_Toc135057702) [Appendix 1 to AMC 20-29 – Applicable CSs and Relevant Guidance. 395](#_Toc135057703) [Appendix 2 to AMC 20-29 – Definitions. 399](#_Toc135057704) [Appendix 3 to AMC 20-29 – Change of Composite Material and/or Process 401](#_Toc135057705) [AMC 20-42. 404](#_Toc135057706) [AMC 20-42 Airworthiness information security risk assessment 404](#_Toc135057707) [AMC 20-115D.. 408](#_Toc135057708) [AMC 20-115D Airborne Software Development Assurance Using EUROCAE ED-12 and RTCA DO-178 408](#_Toc135057709) [GM1 to AMC 20-115D — Software change impact analyses (CIAs) 421](#_Toc135057710) [GM2 to AMC 20-115D — Clarification of data coupling and control coupling. 422](#_Toc135057711) [GM3 to AMC 20-115D — Error-handling at design level 422](#_Toc135057712) [AMC 20-128A.. 423](#_Toc135057713) [AMC 20-128A Design Considerations for Minimizing Hazards Caused by Uncontained Turbine Engine and Auxiliary Power Unit Rotor Failure. 423](#_Toc135057714) [Appendix 1 to AMC 20-128A User’s Manual 440](#_Toc135057715) [AMC 20-136. 456](#_Toc135057716) [AMC 20-136 Aircraft Electrical and Electronic System Lightning Protection. 456](#_Toc135057717) [Appendix 1 to AMC 20-136 Definitions and acronyms 474](#_Toc135057718) [AMC 20-152A.. 476](#_Toc135057719) [AMC 20-152A Development Assurance for Airborne Electronic Hardware (AEH) 476](#_Toc135057720) [AMC 20-158. 496](#_Toc135057721) [AMC 20-158 Aircraft Electrical and Electronic System High-Intensity Radiated Fields (HIRF) Protection 496](#_Toc135057722) [Appendix 1 to AMC 20-158 Generic transfer functions and attenuation. 520](#_Toc135057723) [AMC 20-170. 525](#_Toc135057724) [AMC 20-170 Integrated modular avionics (IMA) 525](#_Toc135057725) [AMC 20-189. 549](#_Toc135057726) [AMC 20-189 The Management of Open Problem Reports (OPRs) 549](#_Toc135057727) [GM1 to AMC 20-189 — PR management 555](#_Toc135057728) [GM2 to AMC 20-189 — OPR classification. 555](#_Toc135057729) [GM3 to AMC 20-189 — Additional GM related to the ‘Significant’ classification. 557](#_Toc135057730) [SUBPART B — LIST OF AMC-20 ITEMS. 558](#_Toc135057731) [SUBPART B — LIST OF AMC-20 ITEMS. 558](#_Toc135057732)
# Table of contents [Disclaimer. 4](#_Toc135060252) [Note from the editor. 5](#_Toc135060253) [Incorporated amendments. 6](#_Toc135060256) [Table of contents. 7](#_Toc135060257) [Preamble. . 11](#_Toc135060258) [SUBPART A — GENERAL. 15](#_Toc135060259) [SUBPART A — GENERAL. 15](#_Toc135060260) [AMC 20-1A.. 15](#_Toc135060261) [AMC 20-1A Certification of Aircraft Propulsion Systems Equipped with Electronic Control Systems 15](#_Toc135060262) [AMC 20-2B. 19](#_Toc135060263) [AMC 20-2B Certification of Essential Auxiliary Power Units (APUs) Equipped with Electronic Controls. 19](#_Toc135060264) [Appendix to AMC 20-2B. 23](#_Toc135060265) [AMC 20-3B. 24](#_Toc135060266) [AMC 20-3B Certification of Engines Equipped with Electronic Engine Control Systems 24](#_Toc135060267) [AMC 20-6B. 53](#_Toc135060268) [AMC 20-6B Extended-range operation with two-engine aeroplanes ETOPS certification and operation. 53](#_Toc135060269) [Appendix 1 to AMC 20-6B – Propulsion system reliability assessment. 80](#_Toc135060270) [Appendix 2 to AMC 20-6B – Aircraft systems reliability assessment. 90](#_Toc135060271) [Appendix 3 to AMC 20-6B – Operational limitations. 96](#_Toc135060272) [Appendix 4 to AMC 20-6B – Flight preparation and in-flight procedures. 97](#_Toc135060273) [Appendix 5 to AMC 20-6B – ETOPS en-route alternate aerodromes. 102](#_Toc135060274) [Appendix 6 to AMC 20-6B – ETOPS training programme. 104](#_Toc135060275) [Appendix 7 to AMC 20-6B – Typical ETOPS operations manual supplement. 106](#_Toc135060276) [Appendix 8 to AMC 20-6B – Continuing airworthiness considerations. 108](#_Toc135060277) [AMC 20-8A.. 113](#_Toc135060278) [AMC 20-8A Occurrence reporting. 113](#_Toc135060279) [AMC 20-9. 120](#_Toc135060280) [AMC 20-9 Acceptable Means of Compliance for the Approval of Departure Clearance via Data Communications over ACARS. 120](#_Toc135060281) [Appendix 1 to AMC 20-9 PDC versus DCL: A Comparison. 126](#_Toc135060282) [Appendix 2 to AMC 20-9 Common Terms. 127](#_Toc135060283) [AMC 20-10. 128](#_Toc135060284) [AMC 20-10 Acceptable Means of Compliance for the Approval of Digital ATIS via Data Link over ACARS. 128](#_Toc135060285) [Appendix 1 to AMC 20-10 Common Terms. 135](#_Toc135060286) [AMC 20-15. 135](#_Toc135060287) [AMC 20-15 Airworthiness Certification Considerations for the Airborne Collision Avoidance System (ACAS II) with optional Hybrid Surveillance. 135](#_Toc135060288) [Appendix 1 to AMC 20-15 – ACAS II/Mode S Transponder Ground Testing Precautions. 141](#_Toc135060289) [Appendix 2 to AMC 20-15 – List of Acronyms. 142](#_Toc135060290) [AMC 20-19. 143](#_Toc135060291) [AMC 20-19 Passenger Service and In-Flight Entertainment (IFE) Systems. 143](#_Toc135060292) [AMC 20-20A.. 161](#_Toc135060293) [AMC 20-20A Continuing structural integrity programme. 161](#_Toc135060294) [Appendix 1 to AMC 20-20A Guidelines for the development of a supplementary structural inspection programme. 178](#_Toc135060295) [Appendix 2 to AMC 20-20A Guidelines for the development of a programme to preclude the occurrence of widespread fatigue damage. 185](#_Toc135060296) [Annex 1 to Appendix 2 to AMC 20-20A Full-scale fatigue test evidence. 210](#_Toc135060297) [Annex 2 to Appendix 2 to AMC 20-20A Example of how to establish an LOV.. 216](#_Toc135060298) [Appendix 3 to AMC 20-20A Guidelines for establishing instructions for continued airworthiness of structural repairs and modifications. 219](#_Toc135060299) [Annex 1 to Appendix 3 to AMC 20-20 Approval process for new repairs. 236](#_Toc135060300) [Annex 2 to Appendix 3 to AMC 20-20A Assessment of existing repairs. 237](#_Toc135060301) [Annex 3 to Appendix 3 to AMC 20-20A Repairs and modifications to removable structural components 242](#_Toc135060302) [Annex 4 to Appendix 3 to AMC 20-20A Service bulletin review process. 245](#_Toc135060303) [Annex 5 to Appendix 3 to AMC 20-20A List of major changes and STCs that may adversely affect fatigue-critical structure. 248](#_Toc135060304) [Annex 6 to Appendix 3 to AMC 20-20A Background to the need for damage-tolerance-based inspection programmes for repairs. 248](#_Toc135060305) [Appendix 4 to AMC 20-20A Guidelines for the development of a corrosion prevention control programme 249](#_Toc135060306) [Appendix 5 to AMC 20-20A Guidelines for ensuring the validity of continuing structural integrity programmes. 261](#_Toc135060307) [AMC 20-21. 270](#_Toc135060308) [AMC 20-21 Programme to enhance aeroplane Electrical Wiring Interconnection System (EWIS) maintenance. 270](#_Toc135060309) [Appendix A to AMC 20-21 Enhanced Zonal Analysis Logic Diagram and Steps. 286](#_Toc135060310) [Appendix B to AMC 20-21 Examples of Typical EZAP Worksheets. 295](#_Toc135060311) [Appendix C to AMC 20-21 Determination if a major change to an aircraft should be specifically subjected to an EZAP. 302](#_Toc135060312) [Appendix D to AMC 20-21. 304](#_Toc135060313) [Appendix E to AMC 20-21 Causes of Wire Degradation. 304](#_Toc135060314) [AMC 20-22. 306](#_Toc135060315) [AMC 20-22 Aeroplane Electrical Wiring Interconnection System Training Programme 306](#_Toc135060316) [Appendix A to AMC 20-22 – EWIS Minimum Initial Training Programme for Group 1 and 2 313](#_Toc135060317) [Appendix B to AMC 20-22 – EWIS Minimum Initial Training Programme for Group 3 through 8 314](#_Toc135060318) [Appendix C to AMC 20-22 – Curriculum and Lessons Plan. 316](#_Toc135060319) [AMC 20-23. 330](#_Toc135060320) [AMC 20-23 Development of Electrical Standard Wiring Practices documentation. 330](#_Toc135060321) [Appendix A: Groups, Major Topics, Standardised Sequence and Description of Minimum Content 337](#_Toc135060322) [AMC 20-24. 338](#_Toc135060323) [AMC 20-24 Certification Considerations for the Enhanced ATS in Non-Radar Areas using ADS-B Surveillance (ADS-B-NRA) Application via 1090 MHZ Extended Squitter. 338](#_Toc135060324) [Appendix 1 to AMC 20-24. 352](#_Toc135060325) [Appendix 2 to AMC 20-24. 353](#_Toc135060326) [Appendix 3 to AMC 20-24. 354](#_Toc135060327) [Appendix 4 to AMC 20-24. 355](#_Toc135060328) [AMC 20-25A.. 357](#_Toc135060329) [AMC 20-25A Airworthiness considerations for Electronic Flight Bags (EFBs) 357](#_Toc135060330) [AMC 20-29. 366](#_Toc135060331) [AMC 20-29 Composite Aircraft Structure. 366](#_Toc135060332) [Appendix 1 to AMC 20-29 – Applicable CSs and Relevant Guidance. 392](#_Toc135060333) [Appendix 2 to AMC 20-29 – Definitions. 396](#_Toc135060334) [Appendix 3 to AMC 20-29 – Change of Composite Material and/or Process. 398](#_Toc135060335) [AMC 20-42. 401](#_Toc135060336) [AMC 20-42 Airworthiness information security risk assessment. 401](#_Toc135060337) [AMC 20-115D.. 405](#_Toc135060338) [AMC 20-115D Airborne Software Development Assurance Using EUROCAE ED-12 and RTCA DO-178. 405](#_Toc135060339) [GM1 to AMC 20-115D — Software change impact analyses (CIAs). 418](#_Toc135060340) [GM2 to AMC 20-115D — Clarification of data coupling and control coupling. 419](#_Toc135060341) [GM3 to AMC 20-115D — Error-handling at design level 419](#_Toc135060342) [AMC 20-128A. 420](#_Toc135060343) [AMC 20-128A Design Considerations for Minimizing Hazards Caused by Uncontained Turbine Engine and Auxiliary Power Unit Rotor Failure. 420](#_Toc135060344) [Appendix 1 to AMC 20-128A User’s Manual 437](#_Toc135060345) [AMC 20-136. 453](#_Toc135060346) [AMC 20-136 Aircraft Electrical and Electronic System Lightning Protection. 453](#_Toc135060347) [Appendix 1 to AMC 20-136 Definitions and acronyms. 471](#_Toc135060348) [AMC 20-152A. 473](#_Toc135060349) [AMC 20-152A Development Assurance for Airborne Electronic Hardware (AEH) 473](#_Toc135060350) [AMC 20-158. 493](#_Toc135060351) [AMC 20-158 Aircraft Electrical and Electronic System High-Intensity Radiated Fields (HIRF) Protection. 493](#_Toc135060352) [Appendix 1 to AMC 20-158 Generic transfer functions and attenuation. 517](#_Toc135060353) [AMC 20-170. 522](#_Toc135060354) [AMC 20-170 Integrated modular avionics (IMA) 522](#_Toc135060355) [AMC 20-189. 546](#_Toc135060356) [AMC 20-189 The Management of Open Problem Reports (OPRs) 546](#_Toc135060357) [GM1 to AMC 20-189 — PR management. 552](#_Toc135060358) [GM2 to AMC 20-189 — OPR classification. 552](#_Toc135060359) [GM3 to AMC 20-189 — Additional GM related to the ‘Significant’ classification. 554](#_Toc135060360) [SUBPART B — LIST OF AMC-20 ITEMS. 555](#_Toc135060361) [SUBPART B — LIST OF AMC-20 ITEMS. 555](#_Toc135060362)