--- title: "66.B.1 – 66.B.500: SECTION B — PROCEDURES FOR COMPETENT AUTHORITIES (Part-66) — rule index · Avioverse" description: "66.B.1 – 66.B.500, Regulation (EU) No 1321/2014. This section establishes the procedures including the administrative requirements to be followed by the…" url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities" --- # SECTION B — PROCEDURES FOR COMPETENT AUTHORITIES Annex III (Part-66) · Continuing Airworthiness · Regulation (EU) No 1321/2014 · 66.B.1 – 66.B.500 On this page 1. ## [66.B.1 Scope](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-1) This section establishes the procedures including the administrative requirements to be followed by the competent authorities in charge of the… 2. ## [66.B.2 Means of compliance](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-2) 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 66.B.2 Means of compliance](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-2#gm1-66-b-2) [AMC1 66.B.2(b) ;(c) Means of compliance](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-2#amc1-66-b-2-b) [GM1 66.B.2(b) ;(c) Means of compliance](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-2#gm1-66-b-2-b) 3. ## [66.B.10 Competent authority](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-10) General The Member State shall designate a competent authority with allocated responsibilities for the issuance, continuation, change, suspension or… 4. ## [66.B.15 Information security management system](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-15) The competent authority shall establish, implement and maintain an information security management system in accordance with Annex I (Part-IS.AR) to… 5. ## [66.B.20 Record-keeping](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-20) The competent authority shall establish a system of record-keeping that allows adequate traceability of the process to issue, revalidate, change, suspend… [AMC 66.B.20 Record-keeping](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-20#amc-66-b-20) 6. ## [66.B.25 Mutual exchange of information](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-25) The competent authorities shall participate in a mutual exchange of information in accordance with Article 72(1) of Regulation (EU) 2018/1139. 7. ## [66.B.30 Exemptions](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-30) All exemptions granted in accordance with Article 71(1) of Regulation (EU) 2018/1139 shall be recorded and retained by the competent authority. 8. ## [SUBPART B — ISSUE OF AN AIRCRAFT MAINTENANCE LICENCE](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/subpart-b-issue-of-an-aircraft-maintenance-licence) This Subpart provides the procedures to be followed by the competent authority to issue, change or continue an aircraft maintenance licence. 9. ## [66.B.100 Procedure for the issue of an aircraft maintenance licence by the competent authority](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-100) On receipt of EASA Form 19 and any supporting documentation, the competent authority shall verify EASA Form 19 for completeness and ensure that the… [AMC 66.B.100 Procedure for the issue of an aircraft maintenance licence by the competent authority](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-100#amc-66-b-100) [AMC 66.B.100 to 115](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-100#amc-66-b-100-2) [GM 66.B.100 Procedure for the issue of an aircraft maintenance licence by the competent authority](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-100#gm-66-b-100) 10. ## [66.B.105 Procedure for the issue of an aircraft maintenance licence via a maintenance organisation approved in accordance with Annex II (Part-145) or Annex Vd (Part-CAO)](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-105) A maintenance organisation approved in accordance with Annex II (Part-145) or Annex Vd (Part-CAO), when authorised to carry out this activity by the… [AMC 66.B.105 Procedure for the issue of an aircraft maintenance licence via the Part-145 approved maintenance organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-105#amc-66-b-105) 11. ## [66.B.110 Procedure for the change of an aircraft maintenance licence to include an additional basic category or subcategory](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-110) At the completion of the procedures specified in points 66.B.100 or 66.B.105, the competent authority shall endorse the additional basic category… [AMC 66.B.110 Procedure for the change of an aircraft maintenance licence to include an additional basic category or subcategory](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-110#amc-66-b-110) 12. ## [66.B.115 Procedure for the change of an aircraft maintenance licence to include an aircraft rating or to remove limitations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-115) On receipt of a satisfactory EASA Form 19 and any supporting documentation demonstrating compliance with the requirements of the applicable rating… [AMC1 66.B.115 Procedure for the change of an aircraft maintenance licence to include an aircraft rating or to remove limitations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-115#amc1-66-b-115) 13. ## [66.B.120 Procedure for the renewal of an aircraft maintenance licence validity](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-120) The competent authority shall compare the holder's aircraft maintenance licence with the competent authority records and verify any pending revocation… [AMC 66.B.120 Procedure for the renewal of an aircraft maintenance licence validity](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-120#amc-66-b-120) 14. ## [66.B.125 Procedure for the conversion of licences including group ratings](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-125) Individual aircraft type ratings already endorsed on the aircraft maintenance licence referred to in point 4 of Article 5 shall remain on the licence and… 15. ## [66.B.130 Procedure for the direct approval of aircraft type training](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-130) In the case of type training for aircraft other than airships, the competent authority may approve aircraft type training not conducted by a maintenance… [AMC 66.B.130 Procedure for the direct approval of aircraft type training](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-130#amc-66-b-130) 16. ## [66.B.135 Procedure for the approval of multimedia-based training (MBT) courses](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-135) The competent authority, whenever it approves courses, including multimedia-based training (MBT) courses, which are delivered in a physical environment… 17. ## [SUBPART C — EXAMINATIONS](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/subpart-c-examinations) ; This Subpart provides the procedures to be followed for the examinations conducted by the competent authority. 18. ## [66.B.200 Examination by the competent authority](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-200) All examination questions shall be kept in a secure manner prior to an examination, to ensure that candidates will not know which particular questions… [GM 66.B.200 Examination by the competent authority](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-200#gm-66-b-200) 19. ## [SUBPART D — CONVERSION OF CERTIFYING STAFF QUALIFICATIONS](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/subpart-d-conversion-of-certifying-staff-qualifications) This Subpart provides the procedures for the conversion of certifying staff qualifications referred to in point 66.A.70 to aircraft maintenance licences. 20. ## [66.B.300 General](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-300) The competent authority may only convert qualifications (i) obtained in the Member State for which it is competent, without prejudice to bilateral… [GM 66.B.300 General](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-300#gm-66-b-300) 21. ## [66.B.305 Conversion report for national qualifications](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-305) The conversion report for national certifying staff qualifications shall describe the scope of each type of qualification, including the associated… [AMC 66.B.305(a) Conversion report for national qualifications](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-305#amc-66-b-305-a) [GM 66.B.305(b) 3 Conversion report for national qualifications](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-305#gm-66-b-305-b) 22. ## [66.B.310 Conversion report for approved maintenance organisations authorisations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-310) For each approved maintenance organisation concerned, the conversion report shall describe the scope of each type of authorisation issued by the… [AMC 66.B.310(a) Conversion report for approved maintenance organisations' authorisations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-310#amc-66-b-310-a) [GM 66.B.310(b) 3 Conversion report for approved maintenance organisations authorisations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-310#gm-66-b-310-b) 23. ## [SUBPART E — EXAMINATION CREDITS](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/subpart-e-examination-credits) This Subpart provides the procedures for granting examination credits referred to in point 66.A.25(d). 24. ## [66.B.400 General](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-400) The competent authority may only grant credit on the basis of a credit report prepared in accordance with point 66.B.405. [GM1 66.B.400(d) General](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-400#gm1-66-b-400-d) 25. ## [66.B.405 Examination credit report](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-405) The credit report shall include a comparison between the following: 26. ## [66.B.410 Examination credit validity](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-410) The competent authority shall notify to the applicant in writing any credits granted together with the reference to the credit report used. [GM 66.B.410 Examination credit validity](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-410#gm-66-b-410) 27. ## [SUBPART F — CONTINUING OVERSIGHT](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/subpart-f-continuing-oversight) This Subpart describes the procedures for the continuing oversight of the aircraft maintenance licence and in particular for the revocation, suspension… 28. ## [66.B.500 Revocation, suspension or limitation of the aircraft maintenance licence](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-500) The competent authority shall suspend, limit or revoke the aircraft maintenance licence where it has identified a safety issue or if it has clear… Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, extracted 13 Oct 2026) for convenience. 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