--- title: "21.B.10 – 21.B.525: SECTION B — PROCEDURES FOR COMPETENT AUTHORITIES (Annex I, Initial Airworthiness) — rule index · Avioverse" description: "21.B.10 – 21.B.525, Regulation (EU) No 748/2012. The competent authority shall provide all the legislative acts, standards, rules, technical publications…" url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities" --- # SECTION B — PROCEDURES FOR COMPETENT AUTHORITIES Annex I · Initial Airworthiness and Environmental Protection · Regulation (EU) No 748/2012 · 21.B.10 – 21.B.525 On this page 1. ## [21.B.10 Oversight documentation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-10) The competent authority shall provide all the legislative acts, standards, rules, technical publications and related documents to the relevant personnel… 2. ## [21.B.15 Information to the Agency](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-15) The competent authority of the Member State shall notify the Agency in case of any significant problems with the implementation of Regulation (EU)… [AMC1 21.B.15(b) Information to the Agency](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-15#amc1-21-b-15-b) [AMC2 21.B.15(b) Information to the Agency](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-15#amc2-21-b-15-b) [GM1 21.B.15(b) Information to the Agency](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-15#gm1-21-b-15-b) [GM2 21.B.15(b) Information to the Agency](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-15#gm2-21-b-15-b) [GM3 21.B.15(b) Information to the Agency](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-15#gm3-21-b-15-b) 3. ## [21.B.20 Immediate reaction to a safety problem](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-20) Without prejudice to Regulation (EU) No 376/2014 of the European Parliament and of the Council and its delegated and implementing acts, the competent… 4. ## [21.B.20A Immediate reaction to an information security incident or vulnerability with an impact on aviation safety](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-20a) The competent authority shall implement a system to appropriately collect, analyse, and disseminate information related to information security incidents… [AMC1 21.B.20A Immediate reaction to an information security incident or vulnerability with an impact on aviation safety](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-20a#amc1-21-b-20a) [GM1 21.B.20A Immediate reaction to an information security incident or vulnerability with an impact on aviation safety](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-20a#gm1-21-b-20a) 5. ## [21.B.25 Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25) The competent authority shall establish and maintain a management system, including as a minimum: [AMC1 21.B.25 Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#amc1-21-b-25) [AMC2 21.B.25 Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#amc2-21-b-25) [GM1 21.B.25 Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#gm1-21-b-25) [AMC1 21.B.25(a)(1) Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#amc1-21-b-25-a-1) [GM1 21.B.25(a)(2) Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#gm1-21-b-25-a-2) [AMC1 21.B.25(a)(3) Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#amc1-21-b-25-a-3) [AMC2 21.B.25(a)(3) Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#amc2-21-b-25-a-3) [AMC3 21.B.25(a)(3) Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#amc3-21-b-25-a-3) [AMC1 21.B.25(a)(5) Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#amc1-21-b-25-a-5) [GM1 21.B.25(a)(5) Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#gm1-21-b-25-a-5) [AMC1 21.B.25(d) Management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-25#amc1-21-b-25-d) 6. ## [21.B.30 Allocation of tasks to qualified entities \[applicable until 21 February 2026\] / 21.B.30 Allocation of tasks \[applicable from 22 February 2026 – Regulation (EU) 2023/203\]](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-30) The competent authority may allocate tasks related to the initial certification or to the continuing oversight of products and parts, as well as of… [GM1 21.B.30 Allocation of tasks to qualified entities](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-30#gm1-21-b-30) 7. ## [21.B.35 Changes in the management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-35) The competent authority shall have a system in place to identify the changes that affect its capability to perform its tasks and discharge its… 8. ## [21.B.55 Record-keeping](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-55) The competent authority shall establish a record-keeping system that allows the adequate storage, accessibility and reliable traceability of: [GM1 21.B.55 Record-keeping](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-55#gm1-21-b-55) [AMC1 21.B.55(a) Record-keeping](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-55#amc1-21-b-55-a) [AMC1 21.B.55(a)(1) and (a)(2) Record-keeping](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-55#amc1-21-b-55-a-1) [GM1 21.B.55(e) Record-keeping](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-55#gm1-21-b-55-e) 9. ## [21.B.65 Suspension, limitation and revocation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-65) The competent authority shall: suspend a certificate, approval, permit to fly, authorisation or letter of agreement when it considers that there are… [GM1 21.B.65 Suspension, limitation and revocation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-65#gm1-21-b-65) [GM2 21.B.65 Suspension, limitation and revocation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-65#gm2-21-b-65) 10. ## [21.B.70 Certification specifications](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-70) The Agency, in accordance with Article 76(3) of Regulation (EU) 2018/1139, shall issue certification specifications and other detailed specifications… 11. ## [21.B.75 Special conditions](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-75) The Agency shall prescribe special detailed technical specifications, named ‘special conditions’, for a product, a UAS or a CMU if the related… [GM1 21.B.75 Special conditions](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-75#gm1-21-b-75) 12. ## [21.B.80 Type-certification basis for a type-certificate or restricted type-certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-80) The Agency shall establish the type-certification basis and notify it to the applicant for a type-certificate or a restricted type-certificate. [GM 21.B.80 Type-certification basis for a type certificate (TC) or restricted type certificate (RTC)](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-80#gm-21-b-80) 13. ## [21.B.82 Operational suitability data certification basis for an aircraft type-certificate or restricted type-certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-82) The Agency shall establish the operational suitability data certification basis and notify it to the applicant for an aircraft type-certificate or… [GM 21.B.82 Operational suitability data (OSD) certification basis for an aircraft type certificate (TC) or restricted type certificate (RTC)](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-82#gm-21-b-82) 14. ## [21.B.85 Applicable environmental protection requirements for a type certificate or restricted type certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-85) For a type certificate or restricted type certificate for an aircraft or for a type certificate for an engine, the Agency shall designate and notify to… [GM1 21.B.85 Applicable environmental protection requirements for a type certificate or restricted type certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-85#gm1-21-b-85) [GM2 21.B.85 Applicable environmental protection requirements for a type certificate or restricted type certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-85#gm2-21-b-85) [GM1 21.B.85(a) Applicable environmental protection requirements for a type certificate or restricted type certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-85#gm1-21-b-85-a) 15. ## [21.B.100 Level of involvement](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-100) The Agency shall determine its involvement in the verification of the compliance demonstration activities and data related to the application for a type… [AMC 21.B.100(a) and 21.A.15(b)(6) Level of involvement (LoI) in a certification project for a type certificate (TC), a major change to a TC, a supplemental type certificate (STC), a major repair design or European technical standard order (ETSO) authorisation for an auxiliary power unit (APU)](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-100#amc-21-b-100-a) 16. ## [AMC No 1 to 21.B.100(b) Level of involvement (LoI) in projects for minor changes and minor repairs](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/amc-no-1-to-21-b-100-b-level-of-involvement-loi-in-projects-for-minor-changes) In contrast to 21.B.100(a), the assessment of the LoI for minor repair designs and minor changes is performed by EASA at the level of the certification… 17. ## [AMC No 2 to 21.B.100(b) Level of involvement (LoI) in European technical standard order authorisation (ETSOA) projects](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/amc-no-2-to-21-b-100-b-level-of-involvement-loi-in-european-technical-standard) The applicant for an ETSOA is required to demonstrate its capability by obtaining EASA’s agreement for the use of procedures that incorporate its… 18. ## [21.B.103 Issuance of a type-certificate or a restricted type-certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-103) The Agency shall issue an aircraft, engine, propeller or CMU type-certificate or an aircraft restricted type- certificate, provided that all of the… 19. ## [GM 21.A.21(b) 21.A.95(c), 21.A.97(c), 21.A.115(c), 21.B.103(b), 21.B.107(b) and 21.B.111(b) Approval of operational suitability data (OSD)](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/gm-21-a-21-b) It is acknowledged that it may not always be possible to have the OSD available on the date of the issue of the (restricted) type certificate ((R)TC)… [GM 21.A.21(b)](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/gm-21-a-21-b#gm-21-a-21-b-2) [GM 21.A.21(b)](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/gm-21-a-21-b#gm-21-a-21-b-3) 20. ## [21.B.105 Type-certification basis, environmental protection requirements and operational suitability data certification basis for a major change to a type certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-105) The Agency shall establish the applicable type-certification basis, the applicable environmental protection requirements and, in the case of a change… 21. ## [21.B.107 Issuance of an approval of a change to a type-certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-107) The Agency shall issue an approval of a change to a type-certificate provided that: [GM 21.B.107 and 21.B.111 Operational suitability data (OSD) considerations for the approval of changes to type certificates (TCs) or supplemental type certificates (STCs)](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-107#gm-21-b-107) [GM 21.B.107 and 21.B.111 Operational suitability data (OSD) considerations for the approval of changes to type certificates (TCs) or supplemental type certificates (STCs)](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-107#gm-21-b-107-2) 22. ## [21.B.109 Type-certification basis, environmental protection requirements and operational suitability data certification basis for a supplemental type certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-109) The Agency shall establish the applicable type-certification basis, the applicable environmental protection requirements and, in the case of a change… 23. ## [21.B.111 Issuance of a supplemental type-certificate](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-111) The Agency shall issue a supplemental type-certificate, provided that all of the following conditions are fulfilled: 24. ## [21.B.115 Means of compliance](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-115) The Agency shall develop acceptable means of compliance (‘AMC’) that may be used to establish compliance with Regulation (EU) 2018/1139 and its delegated… [GM1 21.B.115 and 21.B.215 Means of compliance](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-115#gm1-21-b-115) [AMC1 21.B.115(b) (c) and 21.B.215(b),(c) Means of compliance](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-115#amc1-21-b-115-b) [GM1 21.B.115(b) and (c) and 21.B.215(b) and (c) Means of Compliance](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-115#gm1-21-b-115-b) [GM1 21.B.115 and 21.B.215 Means of compliance](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-115#gm1-21-b-115-2) [AMC1 21.B.115(b) (c) and 21.B.215(b),(c) Means of compliance](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-115#amc1-21-b-115-b-2) [GM1 21.B.115(b) and (c) and 21.B.215(b) and (c) Means of Compliance](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-115#gm1-21-b-115-b-2) 25. ## [21.B.120 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-120) Upon receiving an application for the issue of a letter of agreement for the purpose of demonstrating conformity of the individual products, parts… [AMC1 21.B.120(a) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-120#amc1-21-b-120-a) [AMC2 21.B.120(a) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-120#amc2-21-b-120-a) [AMC3 21.B.120(a) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-120#amc3-21-b-120-a) [AMC4 21.B.120(a) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-120#amc4-21-b-120-a) [GM1 21.B.120(c) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-120#gm1-21-b-120-c) [AMC1 21.B.120(d) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-120#amc1-21-b-120-d) 26. ## [GM1 21.A.139 21.A.239, 21.B.120, 21.B.140, 21.B.220, and 21.B.240 The use of information and communication technologies (ICT) for performing remote audits](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/gm1-21-a-139) This GM provides technical guidance on the use of remote information and communication technologies (ICT) to support: [GM1 21.A.139](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/gm1-21-a-139#gm1-21-a-139-2) [GM1 21.A.139](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/gm1-21-a-139#gm1-21-a-139-3) [GM1 21.A.139](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/gm1-21-a-139#gm1-21-a-139-4) 27. ## [21.B.125 Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125) The competent authority shall have a system in place to analyse findings for their safety significance. [GM1 21.B.125(b) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#gm1-21-b-125-b) [GM1 21.B.125(b) and 21.B.225(b) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#gm1-21-b-125-b-2) [GM2 21.B.125(b) and 21.B.225(b) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#gm2-21-b-125-b) [AMC1 21.B.125(d) and 21.B.225(d) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#amc1-21-b-125-d) [GM1 21.B.125(e) and 21.B.225(e) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#gm1-21-b-125-e) [GM1 21.B.125(b) and 21.B.225(b) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#gm1-21-b-125-b-3) [GM2 21.B.125(b) and 21.B.225(b) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#gm2-21-b-125-b-2) [AMC1 21.B.125(d) and 21.B.225(d) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#amc1-21-b-125-d-2) [GM1 21.B.125(e) and 21.B.225(e) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-125#gm1-21-b-125-e-2) 28. ## [21.B.135 Maintenance of the letter of agreement](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-135) The competent authority shall maintain the letter of agreement for as long as: 29. ## [21.B.140 Amendment of a letter of agreement](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-140) The competent authority shall investigate, as appropriate, in accordance with point 21.B.120 any amendment of the letter of agreement. [AMC 21.B.140 Amendment of a letter of agreement](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-140#amc-21-b-140) 30. ## [21.B.215 Means of compliance](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-215) The Agency shall develop acceptable means of compliance (‘AMC’) that may be used to establish compliance with Regulation (EU) 2018/1139 and its delegated… 31. ## [21.B.220 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220) Upon receiving an application for the initial issue of a production organisation approval certificate, the competent authority shall verify the… [AMC1 21.B.220 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220#amc1-21-b-220) [AMC1 21.B.220 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220#amc1-21-b-220-2) [AMC2 21.B.220 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220#amc2-21-b-220) [AMC3 21.B.220 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220#amc3-21-b-220) [GM1 21.B.220(a) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220#gm1-21-b-220-a) [GM2 21.B.220 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220#gm2-21-b-220) [GM3 21.B.220 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220#gm3-21-b-220) [AMC1 21.B.220(e) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-220#amc1-21-b-220-e) 32. ## [21.B.221 Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-221) The competent authority shall verify: compliance with the requirements that are applicable to organisations, prior to issuing the production organisation… [AMC1 21.B.221 Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-221#amc1-21-b-221) [AMC2 21.B.221 Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-221#amc2-21-b-221) [AMC1 21.B.221(f) Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-221#amc1-21-b-221-f) 33. ## [21.B.222 Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222) The competent authority shall establish and maintain an oversight programme covering the oversight activities required by point 21.B.221(a). [AMC1 21.B.222 Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#amc1-21-b-222) [AMC1 21.B.222(a) and (b) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#amc1-21-b-222-a) [AMC1 21.B.222(b) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#amc1-21-b-222-b) [AMC2 21.B.222(b) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#amc2-21-b-222-b) [AMC1 21.B.222(b)(1) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#amc1-21-b-222-b-1) [GM1 21.B.222(b)(1)(ii) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#gm1-21-b-222-b-1-ii) [AMC1 21.B.222(c) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#amc1-21-b-222-c) [GM1 21.B.222(c) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#gm1-21-b-222-c) [AMC1 21.B.222(d) and (e) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#amc1-21-b-222-d) [GM1 21.B.222(d)(2) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-222#gm1-21-b-222-d-2) 34. ## [21.B.225 Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-225) The competent authority shall have a system in place to analyse findings for their safety significance. [GM 21.B.225(a) Objective evidence](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-225#gm-21-b-225-a) [AMC 21.B.225(a) Notification of findings](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-225#amc-21-b-225-a) [GM1 21.B.225(b) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-225#gm1-21-b-225-b) 35. ## [21.B.240 Changes in production management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-240) Upon receiving an application for a significant change to the production management system, the competent authority shall verify the organisation’s… [AMC1 21.B.240 Changes in production management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-240#amc1-21-b-240) 36. ## [21.B.240A Changes to the information security management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-240a) For changes managed and notified to the competent authority in accordance with the procedure set out in point IS.D.OR.255(a) of the Annex (Part-IS.D.OR)… 37. ## [21.B.320 Investigation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-320) Except for the issuance of an airworthiness certificate pursuant to points 21.B.326(a)(2)(i) or 21.B.327(a)(2)(i), the competent authority of the Member… [GM 21.B.320(b)(6) Investigation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-320#gm-21-b-320-b-6) [AMC1 21.B.320 Investigation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-320#amc1-21-b-320) 38. ## [21.B.325 Issuance of airworthiness certificates](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-325) The competent authority of the Member State of registry shall issue, or make changes to, a certificate of airworthiness (EASA Form 25, see Appendix VI)… 39. ## [21.B.326 Certificate of airworthiness](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-326) The competent authority of the Member State of registry shall issue a certificate of airworthiness for: [AMC1 21.B.326(a)(3) and 21.B.327(a)(3) (Restricted) Certificate of airworthiness](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-326#amc1-21-b-326-a-3) [GM1 21.B.326(a)(1)(ii) and (a)(3)(iv) Certificate of airworthiness](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-326#gm1-21-b-326-a-1-ii) 40. ## [21.B.327 Restricted certificate of airworthiness](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-327) The competent authority of the Member State of registry shall issue a restricted certificate of airworthiness for: 41. ## [21.B.420 Investigation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-420) The competent authority of the Member State of registry shall perform sufficient investigation activities for an applicant for, or holder of, a noise… 42. ## [21.B.425 Issuance of noise certificates](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-425) The competent authority of the Member State of registry shall, as applicable, issue, or amend noise certificates (EASA Form 45, see Appendix VII) without… 43. ## [21.B.430 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-430) Upon receiving an application for the initial issue of a design organisation approval, the competent authority shall verify the applicant’s compliance… [AMC1 21.B.430 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-430#amc1-21-b-430) [AMC2 21.B.430 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-430#amc2-21-b-430) [AMC3 21.B.430 Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-430#amc3-21-b-430) [AMC1 21.B.430(a) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-430#amc1-21-b-430-a) [AMC1 21.B.430(e) Initial certification procedure](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-430#amc1-21-b-430-e) 44. ## [21.B.431 Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-431) The competent authority shall verify whether certified organisations continue to comply with the applicable requirements (a) The verification shall: [AMC1 21.B.431 Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-431#amc1-21-b-431) [AMC2 21.B.431 Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-431#amc2-21-b-431) [AMC3 21.B.431 Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-431#amc3-21-b-431) [AMC4 21.B.431 Oversight principles](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-431#amc4-21-b-431) 45. ## [21.B.432 Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-432) The competent authority shall establish and maintain an oversight programme covering the oversight activities required to comply with point 21.B.431(a). [AMC1 21.B.432 Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-432#amc1-21-b-432) [AMC1 21.B.432(a) and (b) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-432#amc1-21-b-432-a) [AMC1 21.B.432(b) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-432#amc1-21-b-432-b) [AMC2 21.B.432(b) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-432#amc2-21-b-432-b) [AMC1 21.B.432(b)(1) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-432#amc1-21-b-432-b-1) [AMC2 21.B.432(c) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-432#amc2-21-b-432-c) [AMC1 21.B.432(d) and (e) Oversight programme](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-432#amc1-21-b-432-d) 46. ## [21.B.433 Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-433) The competent authority shall have a system in place to analyse findings for their safety significance. [GM1 21.B.433(b) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-433#gm1-21-b-433-b) [AMC1 21.B.433(d) Findings and corrective actions ; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-433#amc1-21-b-433-d) [GM1 21.B.433(e) Findings and corrective actions; observations](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-433#gm1-21-b-433-e) 47. ## [21.B.435 Changes in the design management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-435) Upon receiving an application for a significant change to the design management system, the competent authority shall verify the organisation’s… [AMC1 21.B.435 Changes in the design management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-435#amc1-21-b-435) [AMC2 21.B.435 Changes in the design management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-435#amc2-21-b-435) 48. ## [21.B.435A Changes to the information security management system](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-435a) For changes managed and notified to the competent authority in accordance with the procedure set out in point IS.D.OR.255(a) of the Annex (Part-IS.D.OR)… 49. ## [21.B.450 Amendments to the type-certification basis for a repair design approval](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-450) The Agency shall designate any amendments to the type-certification basis incorporated by reference in, as applicable, either the type-certificate, the… 50. ## [21.B.453 Issuance of a repair design approval](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-453) The Agency shall issue an approval of a major repair design, provided that: 51. ## [21.B.480 Issuance of an ETSO authorisation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-480) The Agency shall issue an ETSO authorisation, provided that: 52. ## [21.B.520 Investigation](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-520) The competent authority shall perform sufficient investigation activities to justify the issuance, or revocation of the permit to fly. [AMC 21.B.520(b) Application for a permit to fly](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-520#amc-21-b-520-b) 53. ## [21.B.525 Issuance of a permit to fly](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-b-procedures-for-competent-authorities/21-b-525) The competent authority shall issue a permit to fly (EASA Form 20a, see Appendix III) without undue delay: Consolidated from the EASA Easy Access Rules (revision 27 Nov 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use. 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