--- title: "147.A.05 – 147.A.305: SECTION A — TECHNICAL REQUIREMENTS (Part-147) — rule index · Avioverse" description: "147.A.05 – 147.A.305, Regulation (EU) No 1321/2014. This section establishes the requirements to be met by organisations seeking approval to conduct…" url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements" --- # SECTION A — TECHNICAL REQUIREMENTS Annex IV (Part-147) · Continuing Airworthiness · Regulation (EU) No 1321/2014 · 147.A.05 – 147.A.305 On this page 1. ## [147.A.05 Scope](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-05) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-10) A training organisation shall be an organisation or part of an organisation registered as a legal entity. 3. ## [GM to 147.A.10 General](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-15) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-15#amc-147-a-15) 5. ## [147.A.100 Facility requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-100) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-100#gm1-147-a-100) [AMC1 147.A.100(i) Facility requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-100#amc1-147-a-100-i) [GM1 147.A.100(i) Facility requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-100#gm1-147-a-100-i) 6. ## [147.A.105 Personnel requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105) 147.A.105 Personnel requirements [AMC1 147.A.105 Personnel requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105#amc1-147-a-105) 7. ## [147.A.105(a) Accountable manager](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-a) 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)](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-b) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-b#amc-147-a-105-b) 9. ## [147.A.105(c) Contracted staff](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-c) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-d) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-e) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-f) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-f#amc1-147-a-105-f) [GM1 147.A.105(f) Personnel requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-f#gm1-147-a-105-f) 13. ## [147.A.105(g) Acceptance of examiners and assessors](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-g) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-h) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-105-h#amc-147-a-105-h) 15. ## [GM to 147.A.105(c) Personnel requirements](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-110) The organisation shall maintain a record of all instructors, knowledge examiners and practical assessors. [AMC 147.A.110 Records of instructors, examiners and assessors](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-110#amc-147-a-110) 19. ## [GM to 147.A.110 Records of instructors, examiners and assessors](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-115) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-115#amc1-147-a-115-a) [GM1 147.A.115(a) ;(d) Instructional equipment](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-115#gm1-147-a-115-a) [AMC 147.A.115(c) Instructional equipment](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-115#amc-147-a-115-c) 21. ## [147.A.120 Maintenance training material](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-120) Maintenance training course material shall be provided to the student and cover as applicable: [AMC 147.A.120(a) Maintenance training material](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-120#amc-147-a-120-a) 22. ## [147.A.125 Records](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-125) The organisation shall keep all student training, examination and assessment records for an unlimited period. 23. ## [147.A.130 Training procedures and quality system](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-130) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-130#amc1-147-a-130-a) [AMC 147.A.130(b) Training procedures and quality system](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-130#amc-147-a-130-b) 24. ## [GM to 147.A.130(b) Training procedures and quality system](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-135) The examination staff shall ensure the security of all questions. [AMC 147.A.135 Examinations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-135#amc-147-a-135) 26. ## [GM to 147.A.135 Examinations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-140) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-140#amc-147-a-140) 28. ## [147.A.145 Privileges of the maintenance training organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-145) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-145#amc1-147-a-145-c) [AMC 147.A.145(d) Privileges of the maintenance training organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-145#amc-147-a-145-d) [GM 147.A.145(d) Privileges of the maintenance training organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-145#gm-147-a-145-d) [GM 147.A.145(d) 3 Privileges of the maintenance training organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-145#gm-147-a-145-d-2) [AMC 147.A.145(f) Privileges of the maintenance training organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-145#amc-147-a-145-f) 29. ## [147.A.150 Changes to the maintenance training organisation](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-150) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-155) An approval shall be issued for an unlimited duration. It shall remain valid subject to: 31. ## [147.A.160 Findings](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-160) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-200) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-200#amc-147-a-200-b) [AMC 147.A.200(d) The approved basic training course](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-200#amc-147-a-200-d) [AMC1 147.A.200(f) The approved basic training course](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-200#amc1-147-a-200-f) [AMC 147.A.200(g) The approved basic training course](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-200#amc-147-a-200-g) 33. ## [147.A.205 Basic knowledge examinations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-205) Basic knowledge examinations shall: be in accordance with the standard defined in Annex III (Part-66). [AMC 147.A.205 Basic knowledge examinations](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-205#amc-147-a-205) 34. ## [147.A.210 Basic practical assessment](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-210) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-210#amc-147-a-210-a) [AMC 147.A.210(b) Basic practical assessment](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-210#amc-147-a-210-b) 35. ## [147.A.300 Aircraft type/task training](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-300) 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](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-300#amc1-147-a-300) 36. ## [147.A.305 Aircraft type evaluation and task assessment](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/147-a-305) 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 13 Oct 2026) for convenience. 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