--- title: "ATCO.AR.A.001 – ATCO.AR.A.025A: SUBPART A – GENERAL REQUIREMENTS (ANNEX II – PART ATCO.AR – REQUIREMENTS FOR COMPETENT AUTHORITIES, ATCO) — rule index · Avioverse" description: "ATCO.AR.A.001 – ATCO.AR.A.025A, Regulation (EU) 2015/340. This Part, set out in this Annex, establishes the administrative requirements applicable to the…" url: "https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a" --- # SUBPART A – GENERAL REQUIREMENTS ANNEX II – PART ATCO.AR – REQUIREMENTS FOR COMPETENT AUTHORITIES · Air Traffic Controllers' Licensing and Certification · Regulation (EU) 2015/340 · ATCO.AR.A.001 – ATCO.AR.A.025A On this page 1. ## [ATCO.AR.A.001 Scope](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-001) This Part, set out in this Annex, establishes the administrative requirements applicable to the competent authorities with responsibility for the issue… 2. ## [ATCO.AR.A.005 Personnel](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-005) Competent authorities shall produce and update every two years an assessment of the human resources needed to perform their oversight functions, based on… [GM1 ATCO.AR.A.005(c) Personnel](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-005#gm1-atco-ar-a-005-c) 3. ## [ATCO.AR.A.010 Tasks of the competent authorities](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-010) The tasks of the competent authorities shall include: the issue, suspension and revocation of licences, ratings, endorsements and of medical certificates; 4. ## [ATCO.AR.A.015 Means of compliance](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-015) The Agency shall develop Acceptable Means of Compliance (AMC) that may be used to establish compliance with Regulation (EC) No 216/2008 and its… [AMC1 ATCO.AR.A.015(d)(3) Means of compliance](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-015#amc1-atco-ar-a-015-d-3) [GM1 ATCO.AR.A.015 Means of compliance](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-015#gm1-atco-ar-a-015) [GM1 ATCO.AR.A.015(b) Means of compliance](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-015#gm1-atco-ar-a-015-b) [AMC1 ATCO.AR.A.015(b) ;(c) Means of compliance](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-015#amc1-atco-ar-a-015-b) [GM1 ATCO.AR.A.015(b) ;(c) Means of compliance](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-015#gm1-atco-ar-a-015-b-2) 5. ## [ATCO.AR.A.020 Information to the Agency](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-020) The competent authority shall without undue delay notify the Agency in case of any significant problems with the implementation of Regulation (EC) No… [AMC1 ATCO.AR.A.020(b) Information to the Agency](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-020#amc1-atco-ar-a-020-b) [GM1 ATCO.AR.A.020(b) Information to the Agency](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-020#gm1-atco-ar-a-020-b) [GM2 ATCO.AR.A.020(b) Information to the Agency](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-020#gm2-atco-ar-a-020-b) 6. ## [ATCO.AR.A.025 Immediate reaction to a safety problem](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-025) Without prejudice to Regulation (EU) No 376/2014 of the European Parliament and of the Council, the competent authority shall implement a system to… 7. ## [ATCO.AR.A.025A Immediate reaction to an information security incident or vulnerability with an impact on aviation safety](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-025a) The competent authority shall implement a system to appropriately collect, analyse, and disseminate information related to information security incidents… [AMC1 ATCO.AR.A.025A Immediate reaction to an information security incident or vulnerability with an impact on aviation safety](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-025a#amc1-atco-ar-a-025a) [GM1 ATCO.AR.A.025A Immediate reaction to an information security incident or vulnerability with an impact on aviation safety](https://avioverse.aero/regulations/easa/atco/part-atco-ar-requirements-for-competent/subpart-a/atco-ar-a-025a#gm1-atco-ar-a-025a) Consolidated from the EASA Easy Access Rules (revision 14 Jun 2024, extracted 13 Oct 2026) for convenience. 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