Skip to content

A gradual release of Avioverse begins in October 2026. Request early access →

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

    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

    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

    AMC1 66.B.2(b) ;(c) Means of compliance

    GM1 66.B.2(b) ;(c) Means of compliance

  3. 66.B.10 Competent authority

    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

    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

    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

  6. 66.B.25 Mutual exchange of information

    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

    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

    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

    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

    AMC 66.B.100 to 115

    GM 66.B.100 Procedure for the issue of an aircraft maintenance licence by the competent authority

  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)

    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

  11. 66.B.110 Procedure for the change of an aircraft maintenance licence to include an additional basic category or subcategory

    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

  12. 66.B.115 Procedure for the change of an aircraft maintenance licence to include an aircraft rating or to remove limitations

    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

  13. 66.B.120 Procedure for the renewal of an aircraft maintenance licence validity

    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

  14. 66.B.125 Procedure for the conversion of licences including group ratings

    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

    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

  16. 66.B.135 Procedure for the approval of multimedia-based training (MBT) courses

    The competent authority, whenever it approves courses, including multimedia-based training (MBT) courses, which are delivered in a physical environment…

  17. 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

    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

  19. 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

    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

  21. 66.B.305 Conversion report for national qualifications

    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

    GM 66.B.305(b) 3 Conversion report for national qualifications

  22. 66.B.310 Conversion report for approved maintenance organisations authorisations

    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

    GM 66.B.310(b) 3 Conversion report for approved maintenance organisations authorisations

  23. 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

    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

  25. 66.B.405 Examination credit report

    The credit report shall include a comparison between the following:

  26. 66.B.410 Examination credit validity

    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

  27. 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

    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 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

Ask Metis about 66.B.1 – 66.B.500 →

Metis opens with Avioverse in October 2026 · request early access.

ShareLinkedInX