--- title: "CAO.A.010 – CAO.A.120: SECTION A — ORGANISATION REQUIREMENTS (Part-CAO) — rule index · Avioverse" description: "CAO.A.010 – CAO.A.120, Regulation (EU) No 1321/2014. This Annex establishes the requirements to be met by a combined airworthiness organisation (CAO) in…" url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements" --- # SECTION A — ORGANISATION REQUIREMENTS Annex Vd (Part-CAO) · Continuing Airworthiness · Regulation (EU) No 1321/2014 · CAO.A.010 – CAO.A.120 On this page 1. ## [CAO.A.010 Scope](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-010) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-015) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-015#amc1-cao-a-015) 3. ## [CAO.A.017 Means of compliance](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-017) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-020) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-020#gm1-cao-a-020) [GM1 CAO.A.020(a) Terms of approval](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-020#gm1-cao-a-020-a) [AMC1 CAO.A.020(c) Terms of approval](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-020#amc1-cao-a-020-c) 5. ## [CAO.A.025 Combined airworthiness exposition](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-025) The CAO shall provide a manual containing at least the following information: [AMC1 CAO.A.025 Combined airworthiness exposition (CAE)](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-025#amc1-cao-a-025) [AMC2 CAO.A.025 Combined airworthiness exposition (CAE)](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-025#amc2-cao-a-025) 6. ## [CAO.A.030 Facilities](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-030) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-030#amc1-cao-a-030) 7. ## [CAO.A.035 Personnel requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-035) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-035#amc1-cao-a-035-c) [AMC1 CAO.A.035(e) Personnel requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-035#amc1-cao-a-035-e) 8. ## [CAO.A.040 Certifying staff](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-040) Certifying staff shall comply with the requirements of Article 5. 9. ## [CAO.A.045 Airworthiness review staff](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-045) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-045#amc1-cao-a-045) 10. ## [CAO.A.050 Components, equipment and tools](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-050) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-050#amc1-cao-a-050-a) 11. ## [CAO.A.055 Maintenance data and work orders](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-055) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-055#amc1-cao-a-055) 12. ## [CAO.A.060 Maintenance standards](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-060) When performing maintenance, the CAO shall comply with all of the following requirements: [AMC1 CAO.A.060(g) Maintenance standards](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-060#amc1-cao-a-060-g) [AMC1 CAO.A.060(h) Maintenance standards](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-060#amc1-cao-a-060-h) [AMC2 CAO.A.060(h) Maintenance standards](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-060#amc2-cao-a-060-h) 13. ## [CAO.A.065 Aircraft certificate of release to service](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-065) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-070) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-070#gm1-cao-a-070) [AMC1 CAO.A.070(a) Component certificate of release to service](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-070#amc1-cao-a-070-a) 15. ## [CAO.A.075 Continuing-airworthiness management](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-075) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-075#amc1-cao-a-075) 16. ## [CAO.A.080 Continuing airworthiness management data](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-080) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-080#amc1-cao-a-080) 17. ## [CAO.A.085 Airworthiness review](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-085) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-090) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-095) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-095#gm1-cao-a-095-c-2) [AMC1 CAO.A.095(b)(3) Privileges of the organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-095#amc1-cao-a-095-b-3) 20. ## [CAO.A.100 Quality system and organisational review](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-100) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-100#gm1-cao-a-100-a) [AMC1 CAO.A.100(a) Quality system and organisational review](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-100#amc1-cao-a-100-a) [AMC1 CAO.A.100(b) Quality system and organisational review](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-100#amc1-cao-a-100-b) [GM1 CAO.A.100(b) and CAO.B.055 Quality system and organisational review and Continuing oversight](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-100#gm1-cao-a-100-b) [GM1 CAO.A.100(e) Quality system and organisational review](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-100#gm1-cao-a-100-e) [AMC1 CAO.A.100(f) Quality system and organisational review](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-100#amc1-cao-a-100-f) 21. ## [CAO.A.105 Changes to the organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-105) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-110) An approval shall be issued for an unlimited duration and shall remain valid subject to: 23. ## [CAO.A.115 Findings](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-115) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-a-organisation-requirements/cao-a-120) 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 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. Share [LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Favioverse.aero%2Fregulations%2Feasa%2Fcontinuing-airworthiness%2Fpart-cao%2Fsection-a-organisation-requirements)[X](https://twitter.com/intent/tweet?url=https%3A%2F%2Favioverse.aero%2Fregulations%2Feasa%2Fcontinuing-airworthiness%2Fpart-cao%2Fsection-a-organisation-requirements\&text=SECTION%20A%20%E2%80%94%20ORGANISATION%20REQUIREMENTS%20%E2%80%94%20Continuing%20Airworthiness)