{
  "url": "https://openlegislation.uk/eu-regulation-2014-1321/annex-III/division-66.1/section-A/division-subpart+a/division-66.a.20",
  "json_url": "https://openlegislation.uk/eu-regulation-2014-1321/annex-III/division-66.1/section-A/division-subpart+a/division-66.a.20.json",
  "legislation": "eur/2014/1321",
  "legislation_title": "Commission Regulation (EU) No 1321/2014 of 26 November 2014 on the continuing airworthiness of aircraft and aeronautical products, parts and appliances, and on the approval of organisations and personnel involved in these tasks (Recast) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2014-1321",
  "path": "annex/III/division/66.1/section/A/division/subpart+a/division/66.a.20",
  "kind": "division",
  "number": "66.A.20",
  "heading": "Privileges",
  "text": "(a)The following privileges shall apply:\n1..A category A aircraft maintenance licence permits the holder to issue certificates of release to service following minor scheduled line maintenance and simple defect rectification within the limits of tasks specifically endorsed on the certification authorisation referred to in point 145.A.35 of Annex II (Part-145). The certification privileges shall be restricted to work that the licence holder has personally performed in the maintenance organisation that issued the certification authorisation.\n2..A category B1 aircraft maintenance licence shall permit the holder to issue certificates of release to service and to act as B1 support staff following:\nmaintenance performed on aircraft structure, powerplant and mechanical and electrical systems,\nwork on avionic systems requiring only simple tests to prove their serviceability and not requiring troubleshooting.\nCategory B1 includes the corresponding A subcategory.\n3..A category B2 aircraft maintenance licence shall permit the holder:\n(i)to issue certificates of release to service and to act as B2 support staff for following:\nmaintenance performed on avionic and electrical systems, and\nelectrical and avionics tasks within powerplant and mechanical systems, requiring only simple tests to prove their serviceability; and\n(ii)to issue certificates of release to service following minor scheduled line maintenance and simple defect rectification within the limits of tasks specifically endorsed on the certification authorisation referred to in point 145.A.35 of Annex II (Part-145). This certification privilege shall be restricted to work that the licence holder has personally performed in the maintenance organisation which issued the certification authorisation and limited to the ratings already endorsed in the B2 licence.\nThe category B2 licence does not include any A subcategory.\n4..A category B2L aircraft maintenance licence shall permit the holder to issue certificates of release to service and to act as B2L support staff for the following:\nmaintenance performed on electrical systems;\nmaintenance performed on avionics systems within the limits of the system ratings specifically endorsed on the licence, and\nwhen holding the ‘ airframe system ’ rating, performance of electrical and avionics tasks within power plant and mechanical systems, requiring only simple tests to prove their serviceability.\n5.. A category B3 aircraft maintenance licence shall permit the holder to issue certificates of release to service and to act as B3 support staff for the following:\nmaintenance performed on aeroplane structure, power plant and mechanical and electrical systems; and\nwork on avionics systems requiring only simple tests to prove their serviceability and not requiring troubleshooting.\n6..A category L aircraft maintenance licence shall permit the holder to issue certificates of release to service and to act as L support staff for the following:\nmaintenance performed on aircraft structure, power plant and mechanical and electrical systems;\nwork on radio, Emergency Locator Transmitters (ELT) and transponder systems; and\nwork on other avionics systems requiring simple tests to prove their serviceability.\nSubcategory L2 includes subcategory L1. Any limitation to subcategory L2 in accordance with point 66.A.45(h) becomes also applicable to subcategory L1.\nSubcategory L2C includes subcategory L1C.\n7.. A category C aircraft maintenance licence shall permit the holder to issue certificates of release to service following base maintenance of the aircraft. The privileges apply to the aircraft in its entirety.\n(b)The holder of an aircraft maintenance licence may not exercise its privileges unless:\n1..in compliance with the applicable requirements of Annex I (Part-M), Annex II (Part-145), Annex Vb (Part-ML) and Annex Vd (Part-CAO); and\n2..in the preceding 2-year period he/she has, either had 6 months of maintenance experience in accordance with the privileges granted by the aircraft maintenance licence or, met the provision for the issue of the appropriate privileges; and\n3..he/she has the adequate competence to certify maintenance on the corresponding aircraft; and\n4..he/she is able to read, write and communicate to an understandable level in the language(s) in which the technical documentation and procedures necessary to support the issue of the certificate of release to service are written.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Regulation (EU) 2018/1142 of 14 August 2018 amending Regulation (EU) No 1321/2014 as regards the introduction of certain categories of aircraft maintenance licences, the modification of the acceptance procedure of components from external suppliers and the modification of the maintenance training organisations' privileges (Text with EEA relevance)."
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Inserted by Commission Regulation (EU) 2018/1142 of 14 August 2018 amending Regulation (EU) No 1321/2014 as regards the introduction of certain categories of aircraft maintenance licences, the modification of the acceptance procedure of components from external suppliers and the modification of the maintenance training organisations' privileges (Text with EEA relevance)."
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Annex 3 point 66.A.20(b)(1) substituted (21.6.2023) by The Aviation Safety (Amendment) Regulations 2023 (S.I. 2023/588), regs. 1(2), 26(a)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2014/1321/annex/III/division/66.1/section/A/division/subpart+a/division/66.a.20",
    "retrieved_at": "2026-11-01T14:47:03.190425+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}