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SECTION A — ORGANISATION REQUIREMENTS

Annex Vd (Part-CAO) · Continuing Airworthiness · Regulation (EU) No 1321/2014 · CAO.A.010 – CAO.A.120

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  1. CAO.A.010 Scope

    This Annex establishes the requirements to be met by a combined airworthiness organisation (CAO) in order to be issued, upon application, an approval for…

  2. CAO.A.015 Application

    CAOs shall apply for the issuance of, or change to, a CAO approval to the competent authority in a form and manner established by that authority.

    AMC1 CAO.A.015 Application

  3. CAO.A.017 Means of compliance

    Alternative means of compliance to the acceptable means of compliance adopted by the Agency may be used by an organisation to demonstrate compliance with…

  4. CAO.A.020 Terms of approval

    The CAO shall specify the approved scope of work in its combined airworthiness exposition (CAE), as provided for in point CAO.A.025.

    GM1 CAO.A.020 Terms of approval

    GM1 CAO.A.020(a) Terms of approval

    AMC1 CAO.A.020(c) Terms of approval

  5. CAO.A.025 Combined airworthiness exposition

    The CAO shall provide a manual containing at least the following information:

    AMC1 CAO.A.025 Combined airworthiness exposition (CAE)

    AMC2 CAO.A.025 Combined airworthiness exposition (CAE)

  6. CAO.A.030 Facilities

    The CAO shall ensure that all necessary facilities, including adequate office accommodation are provided for it to be able to carry out all the planned…

    AMC1 CAO.A.030 Facilities

  7. CAO.A.035 Personnel requirements

    The CAO shall appoint an accountable manager, who shall have an authority for ensuring that all activities of the organisation can be financed so that…

    AMC1 CAO.A.035(c) Personnel requirements

    AMC1 CAO.A.035(e) Personnel requirements

  8. CAO.A.040 Certifying staff

    Certifying staff shall comply with the requirements of Article 5.

  9. CAO.A.045 Airworthiness review staff

    In order to be approved to carry out airworthiness reviews and, if applicable, to issue permits to fly, the organisation shall have airworthiness review…

    AMC1 CAO.A.045 Airworthiness review staff

  10. CAO.A.050 Components, equipment and tools

    The CAO shall: hold the equipment and tools specified in the maintenance data provided for in point CAO.A.055, or verified equivalents as listed in the…

    AMC1 CAO.A.050(a) Components, equipment and tools

  11. CAO.A.055 Maintenance data and work orders

    The CAO shall hold and use applicable current maintenance data specified in point M.A.401 of Annex I (Part-M) or in point ML.A.401 of Annex Vb (Part-ML)…

    AMC1 CAO.A.055 Maintenance data and work orders

  12. CAO.A.060 Maintenance standards

    When performing maintenance, the CAO shall comply with all of the following requirements:

    AMC1 CAO.A.060(g) Maintenance standards

    AMC1 CAO.A.060(h) Maintenance standards

    AMC2 CAO.A.060(h) Maintenance standards

  13. CAO.A.065 Aircraft certificate of release to service

    At the completion of any aircraft maintenance carried out in accordance with this Annex, an aircraft CRS shall be issued in accordance with point M.A.801…

  14. CAO.A.070 Component certificate of release to service

    At the completion of all component maintenance in accordance with this Annex, a component CRS shall be issued in accordance with point M.A.802 of Annex I…

    GM1 CAO.A.070 Component certificate of release to service

    AMC1 CAO.A.070(a) Component certificate of release to service

  15. CAO.A.075 Continuing-airworthiness management

    All continuing airworthiness management shall be carried out in accordance with the requirements of Subpart C of Annex I (Part-M) or Subpart C of Annex…

    AMC1 CAO.A.075 Continuing airworthiness management

  16. CAO.A.080 Continuing airworthiness management data

    The CAO shall hold and use applicable current maintenance data specified in point M.A.401 of Annex I (Part-M) or point ML.A.401 of Annex Vb (Part-ML), as…

    AMC1 CAO.A.080 Continuing airworthiness management data

  17. CAO.A.085 Airworthiness review

    The CAO shall carry out any airworthiness reviews in accordance with point M.A.903 of Annex I (Part-M) or point ML.A.903 of Annex Vb (Part-ML), as…

  18. CAO.A.090 Record-keeping

    The CAO shall retain the following records: the maintenance records necessary to demonstrate that all requirements of this Annex have been met for the…

  19. CAO.A.095 Privileges of the organisation

    The CAO shall have the following privileges: Maintenance (1) Maintain any aircraft or component for which it is approved at the locations specified in…

    GM1 CAO.A.095(c)(2) Privileges of the organisation

    AMC1 CAO.A.095(b)(3) Privileges of the organisation

  20. CAO.A.100 Quality system and organisational review

    To ensure that the CAO continues to meet the requirements of this Annex, this organisation shall establish a quality system and designate a quality…

    GM1 CAO.A.100(a) Quality system and organisational review

    AMC1 CAO.A.100(a) Quality system and organisational review

    AMC1 CAO.A.100(b) Quality system and organisational review

    GM1 CAO.A.100(b) and CAO.B.055 Quality system and organisational review and Continuing oversight

    GM1 CAO.A.100(e) Quality system and organisational review

    AMC1 CAO.A.100(f) Quality system and organisational review

  21. CAO.A.105 Changes to the organisation

    In order to enable the competent authority to determine continued compliance with this Annex, the CAO shall notify the competent authority of any…

  22. CAO.A.110 Continued validity

    An approval shall be issued for an unlimited duration and shall remain valid subject to:

  23. CAO.A.115 Findings

    A Level 1 finding is any significant non-compliance with Part-CAO requirements which lowers the safety standard and seriously hazards flight safety.

  24. CAO.A.120 Occurrence reporting

    The organisation shall establish and maintain an occurrence reporting system, including mandatory and voluntary reporting.

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.

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