---
title: "ATCO.B.001 – ATCO.B.045: SUBPART B – LICENCES, RATINGS AND ENDORSEMENTS (ANNEX I – PART ATCO – REQUIREMENTS FOR THE LICENSING OF AIR TRAFFIC CONTROLLERS, ATCO) — rule index · Avioverse"
description: "ATCO.B.001 – ATCO.B.045, Regulation (EU) 2015/340. Holders of a student air traffic controller licence shall be authorised to provide air traffic control…"
url: "https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b"
---

# SUBPART B – LICENCES, RATINGS AND ENDORSEMENTS

ANNEX I – PART ATCO – REQUIREMENTS FOR THE LICENSING OF AIR TRAFFIC CONTROLLERS · Air Traffic Controllers' Licensing and Certification · Regulation (EU) 2015/340 · ATCO.B.001 – ATCO.B.045

On this page

1. ## [ATCO.B.001 Student air traffic controller licence](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-001)

   Holders of a student air traffic controller licence shall be authorised to provide air traffic control services in accordance with the rating(s) and…

   [GM1 ATCO.B.001(a) ;(d) Student air traffic controller licence](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-001#gm1-atco-b-001-a)

   [GM1 ATCO.B.001(b) Student air traffic controller licence](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-001#gm1-atco-b-001-b)

   [AMC1 ATCO.B.001(d) Student air traffic controller licence](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-001#amc1-atco-b-001-d)

   [GM1 ATCO.B.001(d) Student air traffic controller licence](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-001#gm1-atco-b-001-d)

2. ## [ATCO.B.005 Air traffic controller licence](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-005)

   Holders of an air traffic controller licence shall be authorised to provide air traffic control services in accordance with the ratings and rating…

   [GM1 ATCO.B.005(e) Air traffic controller licence](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-005#gm1-atco-b-005-e)

3. ## [ATCO.B.010 Air traffic controller ratings](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-010)

   Licences shall contain one or more of the following ratings in order to indicate the type of service which the licence holder is authorised to provide:

   [AMC1 ATCO.B.010(a)(2) ;(3) Air traffic controller ratings](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-010#amc1-atco-b-010-a-2)

   [AMC1 ATCO.B.010(a)(4) ;(5) Air traffic controller ratings](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-010#amc1-atco-b-010-a-4)

   [AMC1 ATCO.B.010(b) Air traffic controller ratings](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-010#amc1-atco-b-010-b)

   [GM1 ATCO.B.010(b) Air traffic controller ratings](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-010#gm1-atco-b-010-b)

4. ## [ATCO.B.015 Rating endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-015)

   The Aerodrome Control Instrument (ADI) rating shall bear at least one of the following endorsements:

   [AMC1 ATCO.B.015(a) Air traffic controller rating endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-015#amc1-atco-b-015-a)

   [GM1 ATCO.B.015(a)(3) Air traffic controller rating endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-015#gm1-atco-b-015-a-3)

5. ## [ATCO.B.020 Unit endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-020)

   The unit endorsement shall authorise the licence holder to provide air traffic control services for a specific sector, group of sectors and/or working…

   [AMC1 ATCO.B.020(a) Unit endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-020#amc1-atco-b-020-a)

   [GM1 ATCO.B.020(c) Unit endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-020#gm1-atco-b-020-c)

   [AMC1 ATCO.B.020(d) Unit endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-020#amc1-atco-b-020-d)

   [AMC1 ATCO.B.020(e) Unit endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-020#amc1-atco-b-020-e)

   [AMC1 ATCO.B.020(g)(3) Unit endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-020#amc1-atco-b-020-g-3)

   [GM1 ATCO.B.020(i) Unit endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-020#gm1-atco-b-020-i)

6. ## [GM1 to AMC1 ATCO.B.020(a) Unit endorsements](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/gm1-to-amc1-atco-b-020-a-unit-endorsements)

   There might be cases where, for a given aerodrome, air traffic control service is provided from a ‘conventional tower’ (defined in EASA ‘Guidance…

7. ## [ATCO.B.025 Unit competence scheme](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-025)

   Unit competence schemes shall be established by the air navigation service provider and approved by the competent authority.

   [AMC1 ATCO.B.025(a)(3) Unit competence scheme](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-025#amc1-atco-b-025-a-3)

   [AMC1 ATCO.B.025(a)(5) ;(6) Unit competence scheme](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-025#amc1-atco-b-025-a-5)

   [GM1 ATCO.B.025(a)(5) Unit competence scheme](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-025#gm1-atco-b-025-a-5)

   [GM2 ATCO.B.025(a)(5) Unit competence scheme](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-025#gm2-atco-b-025-a-5)

   [GM3 ATCO.B.025(a)(5) Unit competence scheme](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-025#gm3-atco-b-025-a-5)

   [GM1 ATCO.B.025(a)(6) Unit competence scheme](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-025#gm1-atco-b-025-a-6)

   [GM1 ATCO.B.025(a)(9) Unit competence scheme](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-025#gm1-atco-b-025-a-9)

8. ## [ATCO.B.030 Language proficiency endorsement](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-030)

   Air traffic controllers and student air traffic controllers shall not exercise the privileges of their licences unless they have a valid language…

9. ## [ATCO.B.035 Validity of language proficiency endorsement](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-035)

   The validity of the language proficiency endorsement, depending on the level determined in accordance with Appendix 1 of Annex I, shall be:

   [AMC1 ATCO.B.035(a)(3)(i) Validity of language proficiency endorsement](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-035#amc1-atco-b-035-a-3-i)

10. ## [ATCO.B.040 Assessment of language proficiency](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-040)

    The demonstration of language proficiency shall be done through a method of assessment approved by the competent authority, which shall contain:

    [AMC1 ATCO.B.040 Assessment of language proficiency](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-040#amc1-atco-b-040)

    [AMC2 ATCO.B.040 Assessment of language proficiency](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-040#amc2-atco-b-040)

    [AMC3 ATCO.B.040 Assessment of language proficiency](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-040#amc3-atco-b-040)

    [AMC4 ATCO.B.040 Assessment of language proficiency](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-040#amc4-atco-b-040)

    [GM1 ATCO.B.040 Assessment of language proficiency](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-040#gm1-atco-b-040)

    [GM2 ATCO.B.040 Assessment of language proficiency](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-040#gm2-atco-b-040)

11. ## [ATCO.B.045 Language training](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-045)

    Air navigation service providers shall make available language training to maintain the required level of language proficiency of air traffic controllers…

    [AMC1 ATCO.B.045 Language training](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-045#amc1-atco-b-045)

    [GM1 ATCO.B.045 Language training](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-045#gm1-atco-b-045)

    [GM2 ATCO.B.045 Language training](https://avioverse.aero/regulations/easa/atco/part-atco-requirements-for-the-licensing-of-air/subpart-b/atco-b-045#gm2-atco-b-045)

Consolidated from the EASA Easy Access Rules (revision 14 Jun 2024, 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.

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