Maintenance organisation - 145


Part-145 Authorized Maintenance Organisation

Maintenance organisation approved under Part-145 of Annex II to Commission Regulation (EU) No 1321/2014, given its scope of authorization, is authorized to maintain complex airplanes and aircrafts operated by air carriers approved under Regulation (EC) No 1008/2008.


Initial certification of the Part-145 authorized maintenance organisation

To begin the certification process for a maintenance organisation, the following shall be sent to the CAA:

  • Application for Part 145 Approval - EASA Form 2 (AIR.OBR-000005);
  • Application for approval of the management personnel - EASA Form 4 (AIR.OBR-000004) together with evidences on meeting the required criteria;
    In accordance with the amendment of Part-145- (EU) 2021/1963, EASA Form 4 is no longer required.
    Instead of EASA Form 4, the organisation shall submit a report of compliance with the requirements for individual function holders, i.e. postholders, together with supporting documents (145.A.30(b), (c), (ca) and especially (cc).
    If the requirements are met, the Agency shall accept the proposed nominees, subject to approval of the maintenance organisation's manual.
  • A report on the internal audit performed, the pre-audit (145.A.15(b)(1)), which will enable the Agency to carry out an effective assessment and determine the extent of certification and surveillance required and at which locations.
  • Draft of the Maintenance organisation exposition - MOE and filled out checklist EASA Part 145 MOE checklist (AIR.CHK-000044).

Upon the receipt of the documents indicating the scope of the approval, the Agency will issue a decision on the costs for the payment of the tariff, which will be sent to the organisation.


Change to the initial certification of the Part-145 authorized maintenance organisation

To begin the amendment process of the certificate of a maintenance organisation, the following shall be sent to the CAA:

  • Application for Part 145 Approval – EASA Form 2 (AIR.OBR-000005) which clearly indicates the changes;
  • Other application if applicable - Application for approval of the management personnel – EASA Form 4 (AIR.OBR-000004) together with evidences on meeting the required criteria;
    In accordance with the amendment of Part-145- (EU) 2021/1963, EASA Form 4 is no longer required.
    Instead of EASA Form 4, the organisation shall submit a report of compliance with the requirements for individual function holders, i.e. postholders, together with supporting documents (145.A.30(b), (c), (ca) and especially (cc).
    If the requirements are met, the Agency shall accept the proposed nominees, subject to approval of the maintenance organisation's manual.
  • A report on the internal audit performed, i.e. the pre-audit (145.A.15(b)(1)), which will enable the Agency to carry out an effective assessment and determine the extent of certification and surveillance required and at which locations, including a risk assessment (AMC2 145.A.85), in relation to the content of the proposed change.
  • Adequately revised Maintenance organisation exposition - MOE and filled out checklist EASA Part 145 MOE checklist (AIR.CHK-000044) in the part relevant to the proposed change.

Upon the receipt of the documents indicating the scope of the proposed change, the Agency will issue a decision on the costs for the payment of the tariff, which will be sent to the organisation.

Link to list of organisations approved iaw Part-145
List of organisations approved iaw Part-145

link