Initial Airworthiness and Environmental Protection

Consolidated version

Publication date	Title
	[external] Consolidated version (EurLex) of Commission Regulation (EU) No 748/2012 including Part 21 and Part 21 Light	[external] Consolidated version (EurLex) of Commission Regulation (EU) No 748/2012 including Part 21 and Part 21 Light
03/07/2024	Easy Access Rules for Initial Airworthiness and Environmental Protection (Regulation (EU) No 748/2012)	view
14/05/2024	Easy Access Rules for Master Minimum Equipment List (EAR for CS-MMEL)	view
16/05/2024	Easy Access Rules for Generic Master Minimum Equipment List (EAR for CS-GEN-MMEL)	view
21/12/2020	Easy Access Rules for Cabin Crew Data (CS-CCD)	view
22/06/2023	Easy Access Rules for Operational Suitability Data (OSD) Flight Crew Data (CS-FCD) (Initial issue and Issue 2)	view
22/02/2018	Easy Access Rules for Simulator Data (CS-SIMD) (Initial issue)	view
22/02/2018	Easy Access Rules for Auxiliary Power Units (CS-APU) (Initial issue)	view
17/05/2022	Easy Access Rules for All-Weather Operations (CS-AWO)	view
27/03/2018	Easy Access Rules for Hot Air Balloons (CS-31HB)	view
27/03/2018	Easy Access Rules for Gas Balloons (CS-31GB) (Initial issue)	view
27/03/2018	Easy Access Rules for Tethered Gas Balloons (CS-31TGB) (Initial issue)	view
22/06/2018	Easy Access Rules for Sailplanes and Powered Sailplanes (CS-22)	view
11/12/2023	Easy Access Rules for Normal-Category Aeroplanes (CS-23)	view
28/02/2023	Easy Access Rules for Small Rotorcraft (CS-27)	view
07/12/2023	Easy Access Rules for Large Rotorcraft (CS-29)	view
22/06/2018	Easy Access Rules for Aircraft Engine Emissions and Fuel Venting (CS-34)	view
22/06/2018	Easy Access Rules for Aircraft Noise (CS-36)	view
23/06/2023	Easy Access Rules for Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances (AMC-20)	view
30/01/2023	Easy Access Rules for Large Aeroplanes (CS-25)	view
14/12/2023	Easy Access Rules for Engines (CS-E)	view
23/11/2018	Easy Access Rules for European Technical Standard Orders (CS-ETSO)	view
23/11/2018	Easy Access Rules for Light Sport Aeroplanes (CS-LSA)	view
23/11/2018	Easy Access Rules for Propellers (CS-P)	view
23/11/2018	Easy Access Rules for Very Light Aeroplanes (CS-VLA)	view
23/11/2018	Easy Access Rules for Very Light Rotorcraft (CS-VLR)	view
19/05/2022	Easy Access Rules for Airborne Communications, Navigation and Surveillance (CS-ACNS)	view

Regulations

OJ publication date	Title
12/08/2025	Commission Delegated Regulation (EU) 2025/1065		view
23/05/2024	Commission Implementing Regulation (EU) 2024/1110 Initial Airworthiness & UAS Air Operations		view
23/05/2024	Commission Delegated Regulation (EU) 2024/1108 Initial Airworthiness & UAS Initial Airworthiness		view
	Consolidated version (EurLex) of Commission Regulation (EU) No 748/2012 including Part 21 and Part 21 Light		view
26/05/2023	Commission Delegated Regulation (EU) 2023/1028		view
02/02/2023	Commission Implementing Regulation (EU) 2023/203 Requirements for the management of information security risks with a potential impact on aviation safety for organisations and competent authorities	Amended	view
26/09/2022	Commission Delegated Regulation (EU) 2022/1645	Amended	view
05/08/2022	Commission Implementing Regulation (EU) 2022/1361 Certification, oversight and enforcement tasks of the competent authorities in the implementation of the rules concerning the organisations involved in the design and production of aircraft used for sport and recreational aviation		view
05/08/2022	Commission Delegated Regulation (EU) 2022/1358 More proportionate requirements for aircraft used for sport and recreational aviation		view
19/07/2022	Commission Implementing Regulation (EU) 2022/1253		view
15/02/2022	Commission Implementing Regulation (EU) 2022/203		view
15/02/2022	Commission Delegated Regulation (EU) 2022/201		view
05/07/2021	Commission Delegated Regulation (EU) 2021/1088		view
28/04/2021	Commission Delegated Regulation (EU) 2021/699		view
27/04/2020	Commission Delegated Regulation (EU) 2020/570		view
03/06/2019	Commission Delegated Regulation (EU) 2019/897		view
06/01/2016	Commission Regulation (EU) 2016/5		view
01/07/2015	Commission Regulation (EU) 2015/1039 Flight testing		view
28/01/2014	Commission Regulation (EU) No 69/2014 Operational Suitability Data		view
09/01/2013	Commission Regulation (EU) No 7/2013		view
03/08/2012	Commission Regulation (EU) No 748/2012 Initial Airworthiness	Amended	view
30/11/2009	Commission Regulation (EC) No 1194/2009	Repealed	view
27/10/2008	Commission Regulation (EC) No 1057/2008	Repealed	view
28/03/2008	Commission Regulation (EC) No 287/2008	Repealed	view
30/03/2007	Commission Regulation (EC) No 375/2007	Repealed	view
28/03/2007	Commission Regulation (EC) No 335/2007	Repealed	view
08/05/2006	Commission Regulation (EC) No 706/2006	Repealed	view
07/03/2005	Commission Regulation (EC) No 381/2005	Repealed	view
24/09/2003	Commission Regulation (EC) No 1702/2003	Amended Repealed	view

Acceptable Means of Compliance and Guidance Material

Publication date	Title
13/08/2025	AMC/GM to Part 21 — Issue 2, Amendment 17 Implementation of the latest CAEP amendments to ICAO Annex 16 Volumes I, II and III – CAEP/12 \| Awareness of Regulation (EU) 2015/640 provisions applicable to design approval holders	view	[pdf] AMC & GM to Part 21 Issue 2, Amendment 17
20/10/2023	AMC & GM to Part 21 — Issue 2, Amendment 16	view	[pdf] AMC & GM to Part 21 — Issue 2, Amendment 16
13/07/2023	AMC & GM to Part 21 — Issue 2, Amendment 15	view	[pdf] AMC & GM to Part 21 — Issue 2, Amendment 15
19/12/2022	AMC & GM to Part 21 — Issue 2, Amendment 14 Embodiment of safety management system and occurrence-reporting requirements into Part 21 — Amendment to the Acceptable Means of Compliance and Guidance Material to Part 21	view	[pdf] AMC & GM to Part 21 — Issue 2, Amendment 14
14/07/2021	AMC & GM to Part 21 — Issue 2, Amendment 13 Implementation of the latest CAEP amendments to ICAO Annex 16 Volumes I, II, and III — CAEP/11	view	[pdf] AMC & GM to Part 21 — Issue 2, Amendment 13
28/05/2021	AMC & GM to Part 21 — Issue 2, Amendment 12 instructions for continued airworthiness (ICAs); installation of parts without an EASA Form 1; Ageing aircraft structures	view	[pdf] AMC & GM to Part 21 — Issue 2, Amendment 12
19/03/2021	AMC & GM to Part 21 — Issue 2, Amendment 11 Regular update of AMC & GM Part 21	view	[pdf] AMC and GM to Part 21 — Issue 2, Amendment 11 The file was replaced on 19/03/2021. The correction is highlighted with yellow.
01/07/2020	AMC & GM to Part 21 — Issue 2, Amendment 10 Aircraft cybersecurity	view	[pdf] AMC/GM to Part 21 Issue 2, Amendment 10
29/08/2019	AMC & GM to Part 21 — Issue 2, Amendment 9	view	[pdf] AMC and GM to Part 21 — Issue 2, Amendment 9 The file was replaced on 06/12/2019. The corrections are highlighted with yellow.
13/02/2019	AMC & GM to Part 21 — Issue 2, Amendment 8 PART-21 proportionality’ Introduction of proportionality and simplification of airworthiness and environmental certification regulations for small aircraft	view	[pdf] AMC / GM to Part 21 — Issue 2, Amendment 8
14/12/2017	AMC & GM to Part 21 — Issue 2, Amendment 7 Regular update of the Acceptable Means of Compliance and Guidance Material to Annex I (Part-21)	view	[pdf] AMC and GM to Part-21 - Issue 2, Amendment 7 (Annex to Decision 2017/024/R)
26/04/2016	AMC & GM to Part 21 — Issue 2, Amendment 6 Changes to operational suitability data (OSD)	view	[pdf] AMC/GM to Part-21 - Issue 2, Amendment 6 (Annex to ED Decision 2016/007/R)
12/01/2016	AMC & GM to Part-21 — Issue 2, Amendment 5 Implementation of CAEP/9 amendments	view	[pdf] Annex to ED Decision 2016/003/R
10/11/2015	AMC & GM to Part-21 — Issue 2, Amendment 4 Flight Testing	view	[pdf] AMC/GM to Part-21 - Issue 2, Amendment 4 (Annex to ED Decision 2015/026/R)
09/07/2015	AMC & GM to Part 21 — Issue 2, Amendment 3 CS for Standard Changes and Standard Repairs (CS-STAN) – Phase 1	view	[pdf] AMC/GM to Part-21 - Issue 2, Amendment 3 (Annex I to ED Decision 2015/016/R)
31/01/2014	AMC & GM to Part 21 — Issue 2, Amendment 2 Operational Suitability Data (OSD)	view	[pdf] Annex to ED Decision 2014/007/R
23/01/2013	AMC & GM to Part 21 — Issue 2, Amendment 1 Implementation of CAEP/8	view	[pdf] ED Decision 2013/001/R
30/10/2012	AMC & GM to Part 21 — Issue 2	view	[pdf] AMC & GM Part 21 - Issue 2
01/12/2011	AMC & GM to Part 21 — Issue 1, Amendment 9 Establishment of type-certification basis of changed aeronautical products\|Improved Guidance to GM 21A.101	view	[pdf] ED Decision 2011/010/R
19/08/2011	AMC & GM to Part 21 — Issue 1, Amendment 8 Environmental protection - classification of changes to a type design	view	[pdf] ED Decision 2011/006/R
16/12/2010	AMC & GM to Part 21 — Issue 1, Amendment 7 Extended Range Operations with Two-Engined Aeroplanes ETOPS Certification and Operation\|Systematic review and transposition of existing FAA TSO standards for parts and appliances into EASA ETSO\|Other party supplier control	view	[pdf] ED Decision 2010/016/R
23/03/2010	AMC & GM to Part 21 — Issue 1, Amendment 6 Permit to Fly, EASA Form 1	view	[pdf] ED Decision 2010/001/R
24/08/2009	AMC & GM to Part 21 — Issue 1, Amendment 5 Fuel Tank Flammability Reduction\|Repair and Design Changes to European Technical Standard Order (ETSO)	view	[pdf] ED Decision 2009/011/R
22/11/2007	AMC & GM to Part 21 — Issue 1, Amendment 4	view	[pdf] ED Decision 2007/012/R
04/04/2007	AMC & GM to Part 21 — Issue 1, Amendment 3	view	[pdf] ED Decision 2007/006/R
02/04/2007	AMC & GM to Part 21 — Issue 1, Amendment 2	view	[pdf] ED Decision 2007/008/R
20/12/2006	AMC & GM to Part 21 — Issue 1, Amendment 1	view	[pdf] ED Decision 2006/013/R
17/10/2003	AMC & GM to Part 21 — Initial Issue	view	[pdf] ED Decision 2003/001/RM

Publication date	Title
20/10/2023	AMC & GM to Part 21 Light — Issue 1		view	[pdf] AMC & GM to Part 21 Light — Issue 1

Certification Specifications (CSs)

Publication date	Title
26/01/2022	AMC-20 Amendment 23 AMC 20-136A Aircraft electrical and electronic system lightning protection; AMC 20-158A Aircraft electrical and electronic system high-intensity radiated fields (HIRF) protection; AMC 20-193 Use of multi-core processors (MCPs)	view	[pdf] AMC-20 Amendment 23
28/05/2021	AMC-20 Amendment 22 Instructions for continued airworthiness (ICAs); installation of parts without an EASA Form 1; Ageing aircraft structures	view	[pdf] AMC-20 Amendment 22
23/04/2021	AMC-20 Amendment 21	view	[pdf] AMC-20 Amendment 21 The file was replaced on 12/05/2021. The corrections are highlighted in yellow
17/12/2020	AMC-20 Amendment 20 Ageing aircraft structures; Reduction of runway excursions; Conversion of class D compartments	view	[pdf] AMC-20 Amendment 20
23/07/2020	AMC-20 Amendment 19	view	[pdf] AMC-20 Amendment 19 File replaced on 29/07/2020. In AMC 20-8A, in Section 4(a), ‘[…] such a list is provided in Section 8.’ is corrected to read ‘[…] such a list is provided in Section 9.’
01/07/2020	AMC-20 Amendment 18	view	[pdf] AMC-20 Amendment 18
30/04/2019	AMC-20 Amendment 17 (Preamble)	view	[pdf] Annex II to ED Decision 2019/011/R (Preamble AMC-20 Amendment 17)
27/02/2019	AMC-20 Amendment 16 Airworthiness considerations for Electronic Flight Bags (EFBs)	view	[external] Annex IX - AMC-20 Amendment 16 - Preamble
27/08/2018	AMC-20 Amendment 15 AMC 20-170 ‘Integrated modular avionics (IMA)’	view	[pdf] AMC-20 / Amendment 15
24/10/2017	AMC-20 Amendment 14 Airborne software development assurance using EUROCAE ED-12 and RTCA DO-178	view	[zip] AMC-20 / Amendment 14 Annex II to ED Decision 2017-020-R (AMC 20-115D) replaced on 07/11/2017 without change to its content
15/07/2015	AMC-20 Amendment 13 High-Intensity Radiated Fields (HIRF) and Lightning	view	[zip] AMC-20 - Amendment 13
29/01/2014	AMC-20 Amendment 12	view	[pdf] Annex II - AMC 20-25
10/12/2013	AMC-20 Amendment 11	view	[pdf] Annex I to ED Decision 2013/030/R - Preamble
20/09/2013	AMC-20 Amendment 10	view	[pdf] Annexes I to VI to ED Decision 2013/026/R
17/09/2012	AMC-20 Amendment 9	view	[pdf] Annex II - AMC 20-28
23/03/2011	AMC-20 Amendment 8	view	[pdf] Annex II - AMC 20-15
16/12/2010	AMC-20 Amendment 7	view	[pdf] Annex II - AMC 20-6 rev. 2
19/07/2010	AMC-20 Amendment 6	view	[pdf] Annex II - AMC 20-29
16/12/2009	AMC-20 Amendment 5	view	[pdf] Annex II-III of ED Decision 2009-019-R
29/08/2008	AMC-20 Amendment 4	view	[pdf] Annex 2-3-4 of Decision 2008/007/R
25/04/2008	AMC-20 Amendment 3	view	[pdf] Annex II - AMC 20-24
19/12/2007	AMC-20 Amendment 2	view	[pdf] Annex 2-3-4-5 to Decision 2007-019-R
22/12/2006	AMC-20 Amendment 1	view	[pdf] ED Decision 2006/012/R
05/11/2003	AMC-20 Initial issue	view	[pdf] AMC-20/Initial Issue

Publication date	Title
24/11/2020	CS-MCSD Issue 1 Certification Specifications for Maintenance Certifying Staff Data		view	[pdf] CS-MCSD — Issue 1

Publication date	Title
17/09/2021	CS-22 Amendment 3	view	[pdf] CS-22 Amendment 3 The file was replaced on 21/02/2022. The correction is highlighted in yellow
30/03/2009	CS-22 Amendment 2	view	[pdf] CS-22/Amendment 2 The file was replaced on 21/02/2022. The correction is highlighted in yellow
24/09/2008	CS-22 Amendment 1	view	[pdf] CS-22/Amendment 1 - (Revised on 11/11/2008: Page 2-D-1 added) The file was replaced on 21/02/2022. The correction is highlighted in yellow
14/11/2003	CS-22 Initial issue	view	[pdf] CS-22/Initial Issue The file was replaced on 21/02/2022. The correction is highlighted in yellow

Publication date	Title
30/09/2025	Amendment to Issue 4 of the AMC & GM to CS-23 Regular update of the Certification Specifications for Normal-Category Aeroplanes	view	[pdf] Amendment to Issue 4 of the AMC & GM to CS-23
07/03/2023	CS-23 Amendment 6 and AMC & GM to CS-23 Issue 4 Normal-Category Aeroplanes (CS-23)	view	[pdf] CS-23 Amendment 6 and AMC & GM to CS-23 Issue 4
01/07/2020	CS-23 Amendment 5 and AMC & GM to CS-23 Issue 3 Aircraft cybersecurity	view	[pdf] CS-23 Amendment 5 - AMC/GM to CS-23 Issue 3
08/10/2019	AMC & GM to CS-23 Issue 2	view	[pdf] AMC and GM to CS-23 — Issue 2 The file was replaced on 6/11/2019. The corrections are highlighted with yellow.
20/12/2017	AMC & GM to CS-23 Issue 1 Acceptable Means of Compliance (AMC) and Guidance Material (GM) to Certification Specifications for Normal-Category Aeroplanes (CS-23)	view	[pdf] Annex to ED Decision 2017/025/R
31/03/2017	CS-23 Amendment 5 Reorganisation of CS-23	view	[pdf] CS-23 / Amendment 5
16/07/2015	CS-23 Amendment 4 High-Intensity Radiated Fields (HIRF) and Lightning	view	[pdf] CS-23 / Amendment 4
13/07/2012	CS-23 Amendment 3	view	[pdf] CS-23/Amendment 3
28/09/2010	CS-23 / Amendment 2 corrigendum	view	[pdf] CS-23/Amendment 2 - Corrigendum
02/09/2010	CS-23 Amendment 2	view	[pdf] CS-23/Amendment 2 - Corrigendum
05/02/2009	CS-23 Amendment 1	view	[pdf] CS-23/Amendment 1
14/11/2003	CS-23 Initial issue	view	[pdf] CS-23/Initial Issue

Publication date	Title
19/12/2023	CS-25 Amendment 28	view	[pdf] CS-25 Amendment 28
06/12/2021	CS-25 Amendment 27 Review of aeroplane performance requirements for air operations and Regular update of CS-25	view	[pdf] CS-25 Amendment 27 The file was replaced on 10/01/2023. The corrections (pages 192, 466, 571, 428, and 1230) are highlighted with yellow.
22/12/2020	CS-25 Amendment 26 Installation and maintenance of recorders — cert aspects; Tyre pressure monitoring; Regular update of CS-25	view	[pdf] CS-25 Amendment 26
01/07/2020	CS-25 Amendment 25 Aircraft cybersecurity	view	[pdf] CS-25 Amendment 25
13/01/2020	CS-25 Amendment 24	view	[pdf] CS-25 / Amendment 24
16/07/2019	CS-25 Amendment 23	view	[pdf] CS-25 / Amendment 23 document was replaced on 12/11/2019 (correction of Figure 8 -1 running over text on page 2-D-109)
06/11/2018	CS-25 Amendment 22	view	[pdf] CS-25 / Amendment 22 replaced on 12/11/2018 without change to its content
27/03/2018	CS-25 Amendment 21	view	[pdf] CS-25 / Amendment 21 replaced on 12/11/2018 without change to its content
30/08/2017	CS-25 Amendment 20	view	[pdf] CS-25 / Amendment 20
15/05/2017	CS-25 Amendment 19	view	[pdf] CS-25 / Amendment 19
23/06/2016	CS-25 Amendment 18	view	[pdf] CS-25 / Amendment 18 replaced on 16/02/2017 without change to its content
16/07/2015	CS-25 Amendment 17	view	[pdf] CS-25 / Amendment 17 replaced on 16/02/2017 without change to its content
12/03/2015	CS-25 Amendment 16	view	[pdf] CS-25 / Amendment 16 replaced on 16/02/2017 without change to its content
22/07/2014	CS-25 Amendment 15	view	[pdf] Annex to ED Decision 2014/026/R replaced on 16/02/2017 without change to its content
19/12/2013	CS-25 Amendment 14	view	[pdf] Annex to ED Decision 2013/033/R replaced on 16/02/2017 without change to its content
17/06/2013	CS-25 Amendment 13	view	[pdf] Annex to ED Decision 2013/010/R replaced on 16/02/2017 without change to its content
06/07/2012	CS-25 Amendment 12	view	[pdf] CS-25/Amendment 12
27/01/2012	CS-25	view
27/06/2011	CS-25 Amendment 11	view	[pdf] CS-25/Amendment 11
16/12/2010	CS-25 Amendment 10	view	[pdf] CS-25/Amendment 10
05/08/2010	CS-25 Amendment 9	view	[pdf] CS-25/Amendment 9
11/12/2009	CS-25 Amendment 8	view	[pdf] CS-25/Amendment 8
14/10/2009	CS-25 Amendment 7	view	[pdf] CS-25/Amendment 7
26/06/2009	CS-25 Amendment 6	view	[pdf] CS-25/Amendment 6
18/12/2008	CS-25	view
29/08/2008	CS-25 Amendment 5	view	[pdf] CS-25/Amendment 5
20/12/2007	CS-25 Amendment 4	view	[pdf] CS-25/Amendment 4
12/09/2007	CS-25 Amendment 3	view	[pdf] CS-25/Amendment 3
25/09/2006	CS-25 Amendment 2	view	[pdf] CS-25/Amendment 2
12/12/2005	CS-25 Amendment 1	view	[pdf] CS-25/Amendment 1
17/10/2003	CS-25 Initial issue	view	[pdf] CS-25/Initial Issue

Publication date	Title
07/02/2023	CS-27 Amendment 10 Regular update of the Certification Specifications for Small Rotorcraft (CS-27)	view	[pdf] CS-27 Amendment 10 The file was replaced on 04/10/2023 (corrections on pages: 41, 48, 72, 81, 159, 182, 189, 246, 260, 279, 291 and 303 are highlighted in yellow) and on 15/09/2025 (correction page 13 highlighted in yellow).
17/12/2021	CS-27 Amendment 9 Rotorcraft chip detection systems and Rotorcraft occupant safety in the event of a bird strike	view	[pdf] CS-27 Amendment 9
16/06/2021	CS-27 Amendment 8	view	[pdf] CS-27 Amendment 8
01/07/2020	CS-27 Amendment 7 Aircraft cybersecurity	view	[pdf] CS-27 Amendment 7
17/12/2018	CS-27 Amendment 6	view	[pdf] CS-27 / Amendment 6 (Annex to ED Decision 2018/015/R) The file was replaced on 03/05/2019. The corrections are highlighted with yellow and strike through.
25/06/2018	CS-27 Amendment 5	view	[pdf] CS-27 / Amendment 5
01/12/2016	CS-27 Amendment 4	view	[pdf] CS-27 / Amendment 4 (Annex to ED Decision 2016/024/R) Replaced on 11/1/2017 without change to its content
11/12/2012	CS-27 Amendment 3	view	[pdf] CS-27/Amendment 3
10/11/2008	CS-27 Amendment 2	view	[pdf] CS-27/Amendment 2
23/11/2007	CS-27 Amendment 1	view	[pdf] CS-27/Amendment 1
14/11/2003	CS-27 Initial issue	view	[pdf] CS-27/Initial Issue + Explanatory Note

Publication date	Title
09/12/2024	CS-29 Amendment 12 Reduction in accidents caused by failures of critical rotor and rotor drive components through improved vibration health monitoring systems	view
07/02/2023	CS-29 Amendment 11 Regular update of the Certification Specifications for Large Rotorcraft (CS-29)	view	[pdf] CS-29 Amendment 11 The file was replaced on 04/10/2023 (corrections on pages: 40, 42, 43, 46, 49, 75, 86, 87, 179, 180, 223, 238, 292, 293, 294, 296, 297, 306, 320, 365, 366, 378, and 379 are highlighted in yellow) and on 15/09/2025 (correction page 15 highlighted in yellow).
10/01/2023	CS-29 Amendment 10 — Corrigendum Rotorcraft chip detection systems and Rotorcraft occupant safety in the event of a bird strike	view	[pdf] CS-29 Amendment 10 — Corrigendum The file was replaced on 10/01/2023. The correction (page 251) is highlighted with yellow.
27/08/2021	CS-29 Amendment 9	view	[pdf] CS-29 Amendment 9 The file was replaced on 27/08/2021. The corrections are highlighted in yellow.
01/07/2020	CS-29 Amendment 8 Aircraft cybersecurity	view	[pdf] CS-29 Amendment 8 The file was replaced on 21/08/2020. The correction is highlighted with yellow.
16/07/2019	CS-29 Amendment 7	view	[pdf] CS-29 / Amendment 7 The file was replaced on 21/08/2020. The correction is highlighted with yellow.
17/12/2018	CS-29 Amendment 6	view	[pdf] CS-29 / Amendment 6 (Annex to ED Decision 2018/015/R) The file was replaced on 21/08/2020. The correction is highlighted with yellow.
25/06/2018	CS-29 Amendment 5	view	[pdf] CS-29 / Amendment 5 The file was replaced on 21/08/2020. The correction is highlighted with yellow.
01/12/2016	CS-29 Amendment 4	view	[pdf] CS-29 Amendment 4 The file was replaced on 21/08/2020. The correction is highlighted with yellow.
11/12/2012	CS-29 Amendment 3	view	[pdf] CS-29/Amendment 3 The file was replaced on 21/08/2020. The correction is highlighted with yellow.
10/11/2008	CS-29 Amendment 2	view	[pdf] CS-29/Amendment 2 The file was replaced on 21/08/2020. The correction is highlighted with yellow.
23/11/2007	CS-29 Amendment 1	view	[pdf] CS-29/Amendment 1 The file was replaced on 21/08/2020. The correction is highlighted with yellow.
14/11/2003	CS-29 Initial issue	view	[pdf] CS-29/Initial Issue The file was replaced on 21/08/2020. The correction is highlighted with yellow.

Publication date	Title
05/12/2011	CS-31GB Initial issue		view	[pdf] CS-31GB/Initial Issue

Publication date	Title
05/12/2011	CS-31HB Amendment 1		view	[pdf] CS-31HB/Amendment 1
26/02/2009	CS-31HB Initial issue		view	[pdf] CS-31HB/Initial Issue

Publication date	Title
05/07/2013	CS-31TGB Initial issue		view	[pdf] Annex to ED Decision 2013/011/R

Publication date	Title
27/05/2025	Repeal of CS-34, CS-36 and CS-CO2 CS-34		view
14/07/2021	CS-34 Amendment 4 Implementation of the latest CAEP amendments to ICAO Annex 16 Volumes I, II, and III — CAEP/11	Repealed	view	[pdf] CS-34 Amendment 4 The file was replaced on 04/05/2022. The correction is highlighted with yellow.
01/08/2019	CS-34 Amendment 3 Implementation of CAEP/10 amendments	Repealed	view	[pdf] CS-34 Amendment 3
12/01/2016	CS-34 Amendment 2 Implementation of CAEP/9 amendments	Repealed	view	[pdf] Annex to ED Decision 2016/001/R
23/01/2013	CS-34 Amendment 1	Repealed	view	[pdf] CS-34/Amendment 1
17/10/2003	CS-34 Initial issue	Repealed	view	[pdf] CS-34/Initial Issue

Publication date	Title
27/05/2025	Repeal of CS-34, CS-36 and CS-CO2 CS-36		view
14/07/2021	CS-36 Amendment 6 Implementation of the latest CAEP amendments to ICAO Annex 16 Volumes I, II, and III — CAEP/11	Repealed	view	[pdf] CS-36 Amendment 6
01/08/2019	CS-36 Amendment 5 Implementation of CAEP/10 amendments	Repealed	view	[pdf] CS-36 Amendment 5
12/01/2016	CS-36 Amendment 4 Implementation of CAEP/9 amendments	Repealed	view	[pdf] Annex to ED Decision 2016/002/R
23/01/2013	CS-36 Amendment 3	Repealed	view	[pdf] CS-36/Amendment 3
31/08/2009	CS-36 Amendment 2	Repealed	view	[pdf] CS-36/Amendment 2
02/04/2007	CS-36 Amendment 1	Repealed	view	[pdf] CS-36/Amendment 1
17/10/2003	CS-36 Initial issue	Repealed	view	[pdf] ED Decision 2003/004/RM

Publication date	Title
21/05/2024	CS-ACNS Issue 5	view	[pdf] CS-ACNS Issue 5
05/04/2022	CS-ACNS Issue 4	view	[pdf] CS-ACNS Issue 4
31/05/2021	CS-ACNS Issue 3	view	[pdf] CS-ACNS — Issue 3 The file was replaced on 22/10/2021. The corrections are highlighted.
30/04/2019	CS-ACNS Issue 2	view	[pdf] Annex I to ED Decision 2019/011/R (CS-ACNS Issue 2)
19/12/2013	CS-ACNS Initial issue	view	[pdf] Annex I to ED Decision 2013-031-R

Publication date	Title
01/07/2020	CS-APU Amendment 1		view	[pdf] CS-APU Amendment 1
17/10/2003	CS-APU Initial issue		view	[pdf] CS-APU/Initial Issue

Publication date	Title
08/06/2022	CS-AWO Issue 2		view	[pdf] CS-AWO Issue 2 The file was replaced on 08/06/2022. The correction (page 167) is highlighted with yellow.
17/10/2003	CS-AWO Initial issue		view	[pdf] CS-AWO/Initial Issue

Publication date	Title
16/12/2010	CS-Definitions Amendment 2	view	[pdf] CS-Definitions/Amendment 2
07/12/2007	CS-Definitions Amendment 1	view	[pdf] CS-Definitions/Amendment 1
05/11/2003	CS-Definitions Initial issue	view	[pdf] CS-Definitions/Initial Issue

Publication date	Title
09/04/2025	CS-E Amendment 8 Turbine-engine endurance and initial maintenance programme testing \| Substantiation of piston-engine time between overhauls or replacements	view
18/12/2023	CS-E Amendment 7 Regular update of CS-E	view	[pdf] CS-E Amendment 7 The file was replaced on 25/09/2024. The correction (page 104) is highlighted with yellow.
01/07/2020	CS-E Amendment 6 Aircraft cybersecurity	view	[pdf] CS-E Amendment 6 The file was replaced on 2/10/2020. The corrections are highlighted with yellow.
14/12/2018	CS-E Amendment 5	view	[pdf] CS-E / Amendment 5
12/03/2015	CS-E Amendment 4	view	[pdf] CS-E Amendment 4 The file was replaced on 26/11/2020. The corrections are highlighted with yellow
16/12/2010	CS-E Amendment 3	view	[pdf] CS-E/Amendment 3 The file was replaced on 26/11/2020. The corrections are highlighted with yellow
11/12/2009	CS-E Amendment 2	view	[pdf] CS-E/Amendment 2 The file was replaced on 26/11/2020. The corrections are highlighted with yellow
03/12/2007	CS-E Amendment 1	view	[pdf] CS-E/Amendment 1
24/10/2003	CS-E Initial issue	view	[pdf] CS-E/Initial Issue

Publication date	Title
15/09/2025	CS-ETSO Amendment 18 Regular update of CS-ETSO	view	[pdf] CS-ETSO Amendment 18
31/08/2022	CS-ETSO Amendment 17	view	[pdf] CS-ETSO Amendment 17
24/07/2020	CS-ETSO Amendment 16	view	[pdf] CS-ETSO — Amendment 16 The file was replaced on 30/06/2022. The corrections are highlighted in yellow.
01/07/2020	CS-ETSO Amendment 15	view	[pdf] CS-ETSO Amendment 15 The file was replaced on 27/01/2022 The correction is highlighted in yellow.
27/08/2018	CS-ETSO Amendment 14	view	[pdf] CS-ETSO / Amendment 14
19/02/2018	CS-ETSO Amendment 13	view	[pdf] CS-ETSO Amendment 13 Replaced on 20/02/2018 without change to its content.
16/12/2016	CS-ETSO Amendment 12	view	[pdf] CS-ETSO Amendment 12 Replaced on 19/12/2016 without change to its content
01/08/2016	CS-ETSO Amendment 11	view	[pdf] Annex II to ED Decision 2016/013/R - Index & Articles Replaced on 8/9/2016 without change to its content.
25/04/2016	CS-ETSO Amendment 10	view	[pdf] Annex II to ED Decision 2016/006/R
26/02/2014	CS-ETSO Amendment 9	view	[pdf] Annex II - ETSO
16/07/2013	CS-ETSO Amendment 8	view	[pdf] Annex II - ETSOs
28/06/2012	CS-ETSO Amendment 7	view	[pdf] Annex II - ETSO
14/12/2010	CS-ETSO Amendment 6	view	[pdf] Annex II - ETSO
01/12/2009	CS-ETSO Amendment 5	view	[pdf] CS-ETSO / Amendment 5
14/10/2009	CS-ETSO Amendment 4	view	[pdf] Annex II - ETSO
20/11/2008	CS-ETSO Amendment 3	view	[pdf] Annex II - ETSO
18/12/2007	CS-ETSO Amendment 2	view	[pdf] ED Decision 2007/017/R
11/07/2006	CS-ETSO Amendment 1	view	[pdf] ED Decision 2006/004/R
24/10/2003	CS-ETSO Initial issue	view	[pdf] CS-ETSO/Initial Issue

Publication date	Title
30/07/2013	CS-LSA Amendment 1		view	[pdf] Annex to ED Decision 2013/015/R
27/06/2011	CS-LSA Initial issue		view	[pdf] CS-LSA/Initial Issue

Publication date	Title
01/07/2020	CS-P Amendment 2	view	[pdf] CS-P Amendment 2
16/11/2006	CS-P Amendment 1	view	[pdf] CS-P/Amendment 1
24/10/2003	CS-P Initial issue	view	[pdf] CS-P/Initial Issue

Publication date	Title
15/02/2022	CS-SIMD Issue 2		view	[pdf] CS-SIMD Issue 2
02/12/2014	CS-SIMD Initial Issue		view	[pdf] Annex to ED Decision 2014/033/R

Publication date	Title
27/04/2022	CS-STAN Issue 4 Regular update of CS-STAN	view	[pdf] CS-STAN Issue 4 The file was replaced on 28/04/2022. Correction of several ‘Error! Reference source not found’ occurrences.
04/04/2019	CS-STAN Issue 3 Regular update of CS-STAN	view	[pdf] CS-STAN / Issue 3
31/03/2017	CS-STAN Issue 2	view	[pdf] CS-STAN / Issue 2
09/07/2015	CS-STAN Issue 1	view	[pdf] CS-STAN - Initial Issue (Annex IV to ED Decision 2015/016/R)

Publication date	Title
31/03/2017	CS-23 Amendment 5	view	[pdf] CS-23 / Amendment 5
05/03/2009	CS-VLA Amendment 1	view	[pdf] CS-VLA/Amendment 1
14/11/2003	CS-VLA Initial issue	view	[pdf] CS-VLA/Initial Issue

Publication date	Title
17/12/2018	CS-VLR Amendment 3	view	[pdf] CS-VLR / Amendment 3 (Annex to ED Decision 2018/015/R)
01/12/2016	CS-VLR Amendment 2	view	[pdf] CS-VLR Amendment 2 (Annex to ED Decision 2016/026/R) Replaced on 22/08/2018 without changes to its content.
10/11/2008	CS-VLR Amendment 1	view	[pdf] CS-VLR/Amendment 1
14/11/2003	CS-VLR Initial issue	view	[pdf] CS-VLR/Initial Issue

Publication date	Title
31/05/2021	CS-MMEL Issue 3	view	[pdf] CS-MMEL — Issue 3
17/08/2020	CS-MMEL Issue 2 Regular update of CS-MMEL and CS-GEN-MMEL	view	[pdf] CS-MMEL Issue 2
31/01/2014	CS-MMEL Initial issue	view	[pdf] CS-MMEL/Initial Issue

Publication date	Title
17/08/2020	CS-GEN-MMEL Issue 2		view	[pdf] CS-GEN-MMEL Issue 2
31/01/2014	CS-GEN-MMEL Initial issue		view	[pdf] CS-GEN-MMEL/Initial Issue

Publication date	Title
09/10/2020	CS-CCD Issue 2		view	[pdf] CS-CCD Issue 2 The file was replaced on 10/12/2020. The corrections are highlighted in yellow
31/01/2014	CS-CCD Initial issue		view	[pdf] CS-CCD/Initial Issue

Publication date	Title
16/09/2021	CS-FCD Issue 2		view	[pdf] CS-FCD Issue 2 The file was replaced on 3/11/2023. The corrections are shown in the document ‘CS-FCD Issue 2 – For information’.
31/01/2014	CS-FCD Initial issue		view	[pdf] CS-FCD/Initial Issue Replaced on 19/02/2018 without change to its content.

Publication date	Title
27/05/2025	Repeal of CS-34, CS-36 and CS-CO2 CS-CO2		view
14/07/2021	CS-CO2 Issue 2 Implementation of the latest CAEP amendments to ICAO Annex 16 Volumes I, II, and III — CAEP/11	Repealed	view	[pdf] CS-CO2 Issue 2
01/08/2019	CS-CO2 Issue 1	Repealed	view	[pdf] CS-CO2 – Issue 1

Detailed Specifications (DSs)

Publication date	Title
19/12/2023	DS for Part 21 Light (DS-21LD) — Issue 1		view	[pdf] DS for Part 21 Light (DS-21LD) — Issue 1

Related FAQs

Title
Initial Airworthiness	view

Consolidated version

Regulations

Acceptable Means of Compliance and Guidance Material

Part 21

Part 21 Light

Certification Specifications (CSs)

AMC-20

CS-MCSD

CS-22

CS-23

CS-25

CS-27

CS-29

CS-31GB

CS-31HB

CS-31TGB

CS-34(repealed)