Continuing Airworthiness

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Easy Access Rules for Continuing Airworthiness (Regulation (EU) No 1321/2014), covering covering Part-M, Part-145, Part-66, Part-147 and Part-T.

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COVID-19 - Continuing Airworthiness

What is the flexibility allowed to the person or organisation responsible for the aircraft continuing airworthiness when it comes to the planning of Aircraft Maintenance Programme (AMP) scheduled maintenance tasks with intervals expressed in calendar time?

Under the present rules, is the person responsible for the continuing airworthiness of an aircraft (owner, CAO or CAMO) allowed to split the customised maintenance checks?

Under the present rules, how can a maintenance organisation extend the use of the privileges specified in 145.A.75(c) of line maintenance performed away from an approved location?

Under the present rules, how can a production or maintenance organisation continue to use tools or equipment even if their calibration/periodical check cannot be carried out before the due date?

Under the present rules, can a maintenance organisation continue to keep a supplier on the approved list even if full compliance with its evaluation of suppliers’ procedure cannot be ensured?

Is there any possibility to temporary extend the validity of NDT personnel certification due to coronavirus (COVID-19) crisis?

Interpretation and policy papers

What is the EASA policy on Certificates of Release to Service for aircraft maintenance? With respect to such maintenance, what are the responsibilities of maintenance organisations and CAMO?

What practice is accepted by EASA to release maintenance on aircraft not covered by the Basic Regulation?

What is the view of EASA on the transition of existing continuing airworthiness organisations to the new Part-CAO and Part-CAMO organisations?

Regulation (EU) 2021/1963 introduces SMS requirements to Part-145. What is the view of EASA on the transition of these maintenance organisation to the new requirements?

What are the roles and responsibilities of personnel involved in aircraft line and base maintenance?

What is the view of EASA on ‘paperless maintenance’ and on the use of electronic documents, records, and signatures?

Continuing airworthiness - General

Concerning the approval of the continuing airworthiness organisations, what is the sharing of responsibilities between EASA and the national competent authorities of the EASA Member States? How to get the lists of the approved continuing airworthiness organisations?

Where can I find the continuing airworthiness requirements for third-country registered aircraft used by EU operator/owner?

How to use information and communication technologies for performing remote audits on to DOA, LoA/POA, AMO, CAMO, CAO and AMTO holders*?

Can a Pilot-Owner or Flight Crew accomplish an inspection required by an AD?


Part-M: General

Continuing airworthiness management for each type of operator/ aircraft

Can an independent certifying staff maintain non-complex motor-powered aircraft used by commercial ATO or commercial DTO?

Which are the correct statements to be written in block 11 of EASA Form 1 after maintenance?

Can a licenced pilot without a valid medical certificate perform pilot-owner maintenance?

What are the responsibilities relevant to pre-flight inspection?

Do declared training organisations (DTO) need a CAMO/CAO and approved maintenance organisations?

Airworthiness review

Can an airworthiness review certificate (ARC)/recommendation be issued after an airworthiness review with open findings?

Can the extension of an ARC be anticipated more than 30 days?

Can an Airworthiness Review Staff (ARS) perform an airworthiness review on an aircraft in which he/ she had released some maintenance as Certifying Staff (CS)?

Can the airworthiness review certificate (ARC) of the Part-M aircraft be extended during the extensive maintenance/long term storage?

Is an aircraft considered to be in controlled environment at the end of the ARC validity when that aircraft was received by the CA(M)O during the 90/30 days anticipation of the ARC issue/extension performed by the preceding CA(M)O?

Are EASA Forms 1 required during the import in the EU of an aircraft subject to Part-M?

Technical records

Is there any European requirement to maintain the back-to-birth traceability for any component fitted to an European aircraft?

What does the term “detailed maintenance records” mean?

Is there an obligation to keep the EASA Form 1 for on-condition components?

AMP (Aircraft Maintenance Programme)

What are the main principles governing the development of the AMP under Part-ML?

When does the calendar interval for the next aircraft or component maintenance task start?

When should I revise my Aircraft Maintenance Programme (AMP)?

Can a competent authority require the owner/CAMO/CAO to include national requirements in the Aircraft Maintenance Programme (AMP), based on M.A.302(d)(1)?

How is it possible to escalate AMP task intervals?

What kind of alternative (other than escalation) or additional instructions can be introduced in the AMP?

CAMO (Continuing Airworthiness Management Organisation)

Are deputies to nominated persons required in CAMO or CAO?

Under which condition can a CAMO or CAO use the indirect approval procedure to amend AMP (Aircraft Maintenance Programme) task(s) under Part-M?

Does the CAMO or CAO compliance monitoring/quality system need to be subject to internal audit?

The requirement to establish a procedure to assess non-mandatory modifications/inspections pursuant to CAMO.A.315(b)(4) refers to the “use of the organisation’s safety risk management process”. What does this mean?


Part-145: General

Is Part-M applicable to approved Part-145 organisations?

What does the term ‘occasional’ mean in 145.A.75(c)?

How to easily update the “EASA Form 1 – MF/145 Issue 2” to “EASA Form 1 – MF/CAO/145 Issue 3”?

How did you install a Commercial Off-The-Shelf (COTS) equipment without EASA form-1? How do you arrange Part-145 side actually?

Quality system

Does the Part-145 or Part-CAO quality system need to be subject to monitoring?

Certification of maintenance

With respect to blend out repairs, is it required to record the depth and area dimensions of material removed during a blend out repair or is it sufficient to simply record that the damage has been repaired as per the SRM?

Can the subcontractor of a Part-145 or Part-CAO organisation release maintenance?

Release to service of NDT tasks by Part-145 or Part-CAO organisations

Maintenance data

Shall the maintenance data be available and controlled at all times, even if there is no maintenance work going, or shall it be available only during the performance of maintenance?

Personnel requirements

Can a certification maintenance requirement (CMR) be performed by the Flight Crew before flight?

What is the meaning of the Protected Rights in the Appendix IV to Part-145?

What are the training requirements for personnel within a Part-145 organisation, other than those contained in Part-66?


Get a Part-66 licence

What are the Part-66 licence categories?

How to get an EASA Part-66 Licence (Category B1 or B2)?

How can I apply for an EASA Part-66 licence? What is required at the time of the application?

Who is allowed to issue EASA Part-66 licences? Can I apply for a Part-66 licence to EASA?

I want to work in an organisation located within the EU. Do I need a Part-66 licence?

I am a colour-blind. Does this prevent me from getting a Part-66 licence or exercising my licence privileges?

Does EASA plan to propose changes to the implementing regulation to establish specific adaptations applicable to persons with learning difficulties (e.g. dyslexia, attention deficit disorder, hyperactivity,…) who wish to undertake aircraft maintenance training in a Part-147 approved training organisation as required to apply for Part-66 licenses?

How can I get a Part-66 licence valid in the EU by conversion?

Basic Part-66 licence (without type rating)

For personnel studying a qualification at a University or a degree in a country outside of the EU: I am studying aeronautics and I wish to obtain an EASA Part-66 licence? May I get a credit or may I get a licence based on my degree?

Which documentation is required to support the application demonstrating compliance with the experience requirements?

Where do I gain the required basic maintenance experience? Is it mandatory to gain the required maintenance experience in an EASA approved Part-145 organisation?

I work as a mechanic in the military field on aircraft being also certified for civil operations. In order to obtain the Part-66 licence, why do I need additional experience of civil aircraft maintenance as required by 66.A.30(e) on top of my experience in the military field?

I have completed my EASA Part-66 modules for B1 and I have passed all the exams, but I still lack experience to get my licence. Is there a time limit to get the licence ? Will the certificate expire in a few years if I do not get the experience?

Categories of a Part-66 licence

I hold a Category A1 Part-66 licence. What are the requirements to extend my licence to Category B1.1?

I already hold a Part-66 licence and I would like to include an additional basic (sub)category? Which additional (sub)modules are required to be passed for the addition of that new (sub)category?

Type ratings of a Part-66 licence

What is a difference between examination and assessment? Why are there two different examination standards, respectively in Part-66 Appendix III, points 4 and 5?

I have attended a type training, may I immediately ask my authority to endorse it on my licence?

I hold a licence with a type rating and I wish to add the rating of a similar aircraft of the same manufacturer. For example: I have a type rating on Airbus A320 Series, and I wish to add the rating on A330 Series. Do I need a complete course?

I just got an empty Part-66 licence. I plan now to get type ratings. Are 2 weeks practical training sufficient?

The Appendix III of Part-66 states that a type training course shall be started and finished within 3 years before the application for a type rating, is this still valid if I started the course before 1 August 2012?

Is it mandatory to go to a Part-147 approved training organisation to get type training? Can we do this training in a Part-145 approved organisation or at the aircraft manufacturer?

I have passed the aircraft type rating training (TRT) in an approved EASA Part-147 organisation, although I have not completed the basic knowledge training. Is this TRT valid for life? Would it be possible to endorse it on my Part-66 licence as soon as I get one?

OJT (On the Job Training) for a Part-66 licence

What is the intention of the requirement regarding the assessment of the OJT. What is the nature of the assessment for an OJT? What are the differences between practical assessment and OJT assessment? What are the objectives of the OJT assessment?

(OJT) What is the meaning of the following statement in Part-66 Appendix III, Section 6: “The final assessment of the completed OJT is mandatory and…”?

Tasks listed in Appendix II of Part-66 for an OJT are not suited to large aircraft. Shall we select the OJT tasks only from this list?

How tasks for OJT shall be selected for different licences?

Since the OJT is intended for the first aircraft type endorsement within a given licence (sub)category, does this mean that it can be performed on different aircraft types typical for that (sub)category?

What should be the content of the OJT procedure in MOE chapter 3.15?

I work in a maintenance organisation approved by the competent authority of a country different from the one who issued my Part-66 licence. An OJT programme via MOE chapter 3.15 has been approved by the competent authority of my maintenance organisation. However, my licensing authority refuses to accept the OJT from the organisation I’m working for. Why? What shall I do?

How can I carry out my OJT in a Part-145 approved maintenance organisation (AMO) whose principal place of business is located outside the EASA Member States?

Privileges of a Part-66 licence

I am the holder of a B1.2 licence (i.e “aeroplane piston”). Can I exercise my privileges for piston-engine non-pressurised aeroplanes1 of 2000 kg MTOM and below (i.e. category B3)?

Can I have endorsed in my Part-66 licence aircraft types for which the Basic Regulation is not applicable?

Is there a requirement to have 6 months’ experience every 2 years to maintain the validity of the Part-66 licence?

As a category A certifying staff at line, can my authority allow me to carry out more tasks than those specified in AMC 145.A.30(g)?


Basic training

Is it possible to grant a Part-147 approval to a training organisation which intend to conduct only training on one or only several modules?

I have completed a part of my basic training course (including some module examinations) in an approved Part-147 organisation. I’m moving to another country and would like to continue my basic training in a Part-147 organisation located in the country where I move in. Is this possible? What will happen with my certificates? Can I get the maximum reduction of the experience required for the Part-66 licence?

Is it possible to grant a Part-147 approval to a training organisation which intend to conduct only basic knowledge examinations?

Is it possible to grant a Part-147 approval to an organisation applying only for basic knowledge training?

Part-147 approved organisations have the privilege to carry out basic examinations on behalf of the competent authority. Does this imply that the said authority has to supply or approve examination questions?

Type training

Is it possible to perform aircraft type training in two different organisations? Can I do my practical portion of the type training in a Part-145 organisation?

How should the 50% of tasks required for practical training be selected? Should it be 50% of tasks as per glossary (e.g. LOC, FOT, SGH, R/I, etc.)?

What is the minimum duration of the practical element of the aircraft type training?


Can an examination be limited to some modules only, or one module only or part of a module only?

Should examiners be specialists in the subjects, or can they be responsible for the proper conduct of the examination without being responsible for the content?

What is the maximum number of students attending the examination?


Shall a Part-147 approved organisation have a mandatory occurrence reporting system according to Regulation (EU) No 376/2014?

Part-147 approved organisations can also give courses outside the scope of Part-66. Can these courses be certified? (e.g. continuation training for the purpose of the certifying staff privileges as required by M.A.607, 145.A.35 or CAO.A.040, task training, NDT, engine run, HF, SMS, etc.)

How can I become an EASA aircraft maintenance instructor?

Should the Part-147 organisation’s quality system be audited?