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SECTION A — TECHNICAL REQUIREMENTS

Annex IV (Part-147) · Continuing Airworthiness · Regulation (EU) No 1321/2014 · 147.A.05 – 147.A.305

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  1. 147.A.05 Scope

    This section establishes the requirements to be met by organisations seeking approval to conduct training and examination as specified in Annex III…

  2. 147.A.10 General

    A training organisation shall be an organisation or part of an organisation registered as a legal entity.

  3. GM to 147.A.10 General

    Such an organisation may conduct business from more than one address and may hold more than one Part approval.

  4. 147.A.15 Application

    An application for an approval or for the change of an existing approval shall be made on a form and in a manner established by the competent authority.

    AMC 147.A.15 Application

  5. 147.A.100 Facility requirements

    The size and structure of facilities shall ensure protection from the prevailing weather elements and proper operation of all planned training and…

    GM1 147.A.100 Facility requirements

    AMC1 147.A.100(i) Facility requirements

    GM1 147.A.100(i) Facility requirements

  6. 147.A.105 Personnel requirements

    147.A.105 Personnel requirements

    AMC1 147.A.105 Personnel requirements

  7. 147.A.105(a) Accountable manager

    The organisation shall appoint an accountable manager who has corporate authority for ensuring that all training commitments can be financed and carried…

  8. 147.A.105(b) Nominated person(s)

    A person or group of persons, whose responsibilities include ensuring that the maintenance training organisation is in compliance the requirements of…

    AMC 147.A.105(b) Personnel requirements

  9. 147.A.105(c) Contracted staff

    The maintenance training organisation shall contract with sufficient staff to plan/perform theoretical and practical training, conduct knowledge…

  10. 147.A.105(d) Staff from other organisation

    By derogation to point (c), when another organisation is used to provide practical training and assessments, such other organisation's staff may be…

  11. 147.A.105(e) Combination of the roles of instructor, examiner and assessor

    Any person may carry out any combination of the roles of instructor, examiner and assessor, subject to compliance with point (f).

  12. 147.A.105(f) Experience and qualifications of instructors, examiners and assessors

    The experience and qualifications of instructors, knowledge examiners and practical assessors shall be established in accordance with criteria published…

    AMC1 147.A.105(f) Personnel requirements

    GM1 147.A.105(f) Personnel requirements

  13. 147.A.105(g) Acceptance of examiners and assessors

    The knowledge examiners and practical assessors shall be specified in the organisation exposition for the acceptance of such staff.

  14. 147.A.105(h) Updating training for instructors and knowledge examiners

    Instructors and knowledge examiners shall undergo updating training at least every 24 months relevant to current technology, practical skills, human…

    AMC 147.A.105(h) Personnel requirements

  15. GM to 147.A.105(c) Personnel requirements

    The maintenance training organisation should have a nucleus of permanently employed staff to undertake the minimum amount of maintenance training…

  16. GM to 147.A.105(g) Personnel requirements

    Examiners should demonstrate a clear understanding of the examination standard required by Part-66 and have a responsible attitude to the conduct of…

  17. GM to 147.A.105(h) Personnel requirements

    Records should show for each instructor/examiner when the updating training was scheduled and when it took place.

  18. 147.A.110 Records of instructors, examiners and assessors

    The organisation shall maintain a record of all instructors, knowledge examiners and practical assessors.

    AMC 147.A.110 Records of instructors, examiners and assessors

  19. GM to 147.A.110 Records of instructors, examiners and assessors

    Instructors, knowledge examiners and practical assessors should be provided with a copy of their terms of reference.

  20. 147.A.115 Instructional equipment

    Each classroom shall have appropriate presentation equipment of a standard that ensures that students can easily read presentation text, drawings…

    AMC1 147.A.115(a) Instructional equipment

    GM1 147.A.115(a) ;(d) Instructional equipment

    AMC 147.A.115(c) Instructional equipment

  21. 147.A.120 Maintenance training material

    Maintenance training course material shall be provided to the student and cover as applicable:

    AMC 147.A.120(a) Maintenance training material

  22. 147.A.125 Records

    The organisation shall keep all student training, examination and assessment records for an unlimited period.

  23. 147.A.130 Training procedures and quality system

    The organisation shall establish procedures acceptable to the competent authority to ensure proper training standards and compliance with all relevant…

    AMC1 147.A.130(a) Training procedures and quality system

    AMC 147.A.130(b) Training procedures and quality system

  24. GM to 147.A.130(b) Training procedures and quality system

    The primary objective of the quality system is to enable the training organisation to satisfy itself that it can deliver properly trained students and…

  25. 147.A.135 Examinations

    The examination staff shall ensure the security of all questions.

    AMC 147.A.135 Examinations

  26. GM to 147.A.135 Examinations

    The competent authority will determine when or if the disqualified examiner may be reinstated.

  27. 147.A.140 Maintenance training organisation exposition

    The organisation shall provide an exposition for use by the organisation describing the organisation and its procedures and containing the following…

    AMC 147.A.140 Maintenance training organisation exposition

  28. 147.A.145 Privileges of the maintenance training organisation

    The maintenance training organisation may carry out the following as permitted by and in accordance with the maintenance training organisation exposition:

    AMC1 147.A.145(c) Distance learning via uniform resource locator (URL) addresses

    AMC 147.A.145(d) Privileges of the maintenance training organisation

    GM 147.A.145(d) Privileges of the maintenance training organisation

    GM 147.A.145(d) 3 Privileges of the maintenance training organisation

    AMC 147.A.145(f) Privileges of the maintenance training organisation

  29. 147.A.150 Changes to the maintenance training organisation

    The maintenance training organisation shall notify the competent authority of any proposed changes to the organisation that affect the approval before…

  30. 147.A.155 Continued validity

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

  31. 147.A.160 Findings

    A level 1 finding is one or more of the following: any significant non-compliance with the examination process which would invalidate the examination(s)…

  32. 147.A.200 The approved basic training course

    The approved basic training course shall consist of knowledge training, knowledge examination, practical training and a practical assessment.

    AMC 147.A.200(b) The approved basic training course

    AMC 147.A.200(d) The approved basic training course

    AMC1 147.A.200(f) The approved basic training course

    AMC 147.A.200(g) The approved basic training course

  33. 147.A.205 Basic knowledge examinations

    Basic knowledge examinations shall: be in accordance with the standard defined in Annex III (Part-66).

    AMC 147.A.205 Basic knowledge examinations

  34. 147.A.210 Basic practical assessment

    Basic practical assessments shall be carried out during the basic maintenance training course by the nominated practical assessors at the completion of…

    AMC 147.A.210(a) Basic practical assessment

    AMC 147.A.210(b) Basic practical assessment

  35. 147.A.300 Aircraft type/task training

    A maintenance training organisation shall be approved to carry out Annex III (Part-66) aircraft type and/or task training subject to compliance with the…

    AMC1 147.A.300 Aircraft type / task training

  36. 147.A.305 Aircraft type evaluation and task assessment

    A maintenance training organisation approved in accordance with point 147.A.300 to conduct aircraft type training shall conduct the aircraft type…

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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