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AMT

What is an Aircraft Maintenance Technician (AMT)?

An Aircraft Maintenance Technician (AMT) is a highly skilled professional who plays an essential role in ensuring the safety, reliability and airworthiness of aircraft.

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Aircraft Maintenance Technicians inspect, troubleshoot and repair aircraft systems and components, from engines and hydraulic systems to electrical and electronic systems and aircraft structures. Appropriately licensed and authorised certifying staff may also certify maintenance within the privileges of their licence and authorisation.

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In addition to corrective maintenance, AMTs perform preventive maintenance and identify defects before they can affect aircraft operation, helping to ensure that each aircraft meets the applicable technical, safety and airworthiness requirements.

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Every maintenance task requires precision, technical expertise and continuous professional development, making Aircraft Maintenance Technicians essential to modern aviation.

CAREER

Why Become an Aircraft Maintenance Technician (AMT)?

Studies by Airbus and Boeing indicate that more than 700,000 new aircraft maintenance professionals will be needed over the coming decades, reflecting strong global demand for qualified aviation professionals.

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This demand is driven by the growth of the global aircraft fleet and the increasing need for skilled professionals to support the aviation industry, creating excellent opportunities for those looking to build a stable, internationally recognised career with long-term prospects.

ESSENTIAL TO

AVIATION

INTERNATIONAL CAREER

GROWING INDUSTRY

EXCELLENT EMPLOYMENT PROSPECTS

SALARY

PROGRESSION

HIGHLY SKILLED PROFESSION

HIGHLY SKILLED PROFESSION

ADVANCED TECHNOLOGY

HIGH RESPONSIBILITY

TEAMWORK

CAREER PATH

Discover the Right Path for You

There are two main routes towards obtaining an EASA Part-66 Aircraft Maintenance Licence (AML): a Basic Training Course, which provides a structured training pathway and is particularly suitable for those starting an aviation career without previous experience, and Basic Examinations for independent candidates, with or without associated preparation training, which may be more suitable for candidates with previous technical training or experience.

Apply for an EASA Part-66 Aircraft Maintenance Licence (AML) without an aircraft type rating endorsed.
Documented Practical Maintenance Experience
(within a Part-145 Approved Maintenance Organisation)
Aircraft Type Training
(Theoretical + Practical)
+
On-the-Job Training (OJT)
(OJT required only for the first aircraft type rating endorsement, within a Part-145 Approved Maintenance Organisation)
How Do You Obtain an EASA Part-66 Aircraft Maintenance Licence?
Completion of a Basic Training Course
(Theoretical + Practical)
Obtaining a Certificate of Recognition
Obtaining an Aircraft Maintenance Licence with the First Aircraft Type Rating Endorsed

a)

Basic Examinations for Independent Candidates.
Obtaining Individual Examination Certificates.
With Training Outside the Scope of Part-147


Basic Examination Preparation Course
Without Training
OR
OR
The application for an Aircraft Maintenance Licence must be submitted by the applicant to the competent authority after successful completion of the applicable Basic Training Course or all required module examinations for the relevant category/subcategory and after meeting the applicable experience requirements under 66.A.30.
Depending on the chosen route:
  • Complete Basic Training Course: generally requires a shorter period of practical maintenance experience, typically between 1 and 2 years depending on the category/subcategory;
  • Basic Examinations for independent candidates, with or without preparation training: generally require a longer period of practical maintenance experience, typically between 3 and 5 years depending on the category/subcategory.

a)

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Line Maintenance

Line Maintenance is carried out while the aircraft remains within its operational schedule, often between flights. It includes inspections, routine checks and minor maintenance interventions required to ensure that the aircraft remains safe and airworthy.

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Line Maintenance is typically performed at the airport using the appropriate tools and equipment by suitably qualified and authorised maintenance personnel.

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In Line Maintenance, Aircraft Maintenance Technicians may:

  • Perform applicable pre-flight and post-flight inspections;

  • Carry out routine maintenance checks;

  • Troubleshoot and rectify minor defects;

  • Replace components;

  • Perform engine run-ups, where appropriately qualified and authorised.

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Base Maintenance involves more complex and extensive maintenance activities. It generally requires more time, resources and planning than Line Maintenance.
 

It is carried out when an aircraft is taken out of service and is normally performed in a hangar equipped with the appropriate facilities, tools and equipment, by suitably qualified and authorised aircraft maintenance personnel.
 

In Base Maintenance, Aircraft Maintenance Technicians (AMTs) may:

  • Perform scheduled maintenance tasks;

  • Inspect, repair and overhaul major aircraft components and systems, including engines, systems, structures and avionics;

  • Carry out structural repairs;

  • Test and calibrate systems;

  • Perform modifications and upgrades.

Base Maintenance

TYPES OF AIRCRAFT MAINTENANCE

Discover the Main Types of Aircraft Maintenance

Aircraft maintenance can generally be divided into two main areas: Base Maintenance and Line Maintenance.

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Base Maintenance involves more extensive and planned maintenance activities, normally performed in a hangar, including detailed inspections, repairs and major maintenance checks.

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Line Maintenance is performed as part of day-to-day aircraft operations, usually at an airport or aircraft parking stand, and includes inspections, routine checks and minor maintenance interventions.

CAREER OPPORTUNITIES

  • Part-145 Approved Maintenance Organisations (MROs);

  • Commercial or private aircraft operators;

  • Aircraft and component manufacturers.

Where Can an Aircraft Maintenance Technician Work?

ENTRY REQUIREMENTS

  • Completion of secondary education (12th year) or equivalent;

  • Minimum age of 18;

  • Good level of English (applicants are subject to an assessment);

  • Basic knowledge of Mathematics, Physics and Electricity;

  • Criminal record with no convictions incompatible with the activity.

What Are the Requirements to Apply?

LEVELS

Discover the Roles and Categories in Aircraft Maintenance.

MECHANIC ASSISTANT

A career may begin as a Mechanic Assistant, learning and supporting maintenance activities before progressing to a Mechanic role, performing aircraft maintenance tasks under the supervision of appropriately qualified and authorised personnel.

CATEGORY A

Category A Certifying Staff hold a Part-66 Aircraft Maintenance Licence and may issue certificates of release to service following specified minor scheduled line maintenance and simple defect rectification, within the scope of tasks specifically authorised by a Part-145 Approved Maintenance Organisation.

CATEGORY B1

Category B1 Certifying Staff hold a Part-66 Aircraft Maintenance Licence with privileges covering maintenance performed on aircraft structures, powerplants and mechanical and electrical systems, as well as applicable work on avionics systems within the privileges defined under Part-66.

CATEGORY B2

Category B2 Certifying Staff hold a Part-66 Aircraft Maintenance Licence with privileges covering maintenance performed on avionics and electrical systems, including applicable electrical and avionics tasks within powerplant and mechanical systems, in accordance with the privileges defined under Part-66.

CATEGORY C

Category C Certifying Staff hold a Part-66 Aircraft Maintenance Licence with privileges relating to aircraft Base Maintenance and may issue the Certificate of Release to Service (CRS) following Base Maintenance, within the applicable Part-66 privileges and the scope of authorisation granted by a Part-145 Approved Maintenance Organisation.

EASA PART-66 LICENCE CATEGORIES

WITH INTERNAL AUTHORISATION ISSUED BY THE PART-145 ORGANISATION

GLOSSARY

Discover the Key Terms Used in the Aviation Industry

  • Authorities responsible for aviation safety regulation and oversight within their respective areas of competence.

     

    EASA (European Union Aviation Safety Agency) develops and supports the implementation of the European aviation safety regulatory framework, while ANAC (Autoridade Nacional da Aviação Civil – Portuguese Civil Aviation Authority) is the competent civil aviation authority in Portugal.

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    Other aviation authorities operate internationally, including the FAA (Federal Aviation Administration) in the United States, CAA (Civil Aviation Authority) in the United Kingdom, Transport Canada (TC) in Canada, GCAA (General Civil Aviation Authority) in the United Arab Emirates, CASA (Civil Aviation Safety Authority) in Australia and CAAC (Civil Aviation Administration of China) in China.

  • Set of technical subjects (e.g. Basic Aerodynamics, Gas Turbine Engines and Propellers) forming part of the theoretical knowledge and examination requirements established by EASA under Part-66, required for obtaining an Aircraft Maintenance Licence (AML).

  • EASA regulation establishing the requirements for the approval of Aircraft Maintenance Training Organisations.

    These organisations are authorised to provide theoretical and practical training and conduct examinations within the scope of obtaining an EASA Part-66 Aircraft Maintenance Licence (AML).

  • EASA regulation establishing the requirements for the approval of Aircraft Maintenance Organisations.

    These organisations are authorised to perform maintenance on aircraft and components and to issue the applicable Certificate of Release to Service (CRS) following completion of the maintenance work.

  • EASA regulation establishing the requirements for obtaining an Aircraft Maintenance Licence (AML), including the different licence categories (A, B1, B2 and C), the required theoretical knowledge and practical experience requirements.

  • Qualified professional holding an EASA Part-66 Aircraft Maintenance Licence (AML), responsible for performing, supervising and, where appropriately authorised, certifying aircraft maintenance tasks, ensuring compliance with applicable airworthiness and safety requirements.

  • A maintenance professional undergoing training or without a Part-66 Aircraft Maintenance Licence who performs aircraft maintenance tasks under appropriate supervision, while developing the practical experience and competencies required for career progression.

  • An individual record documenting maintenance activities and tasks performed, providing evidence of the practical experience acquired.

    This record may be used to demonstrate compliance with the applicable practical experience requirements for an Aircraft Maintenance Licence.

  • A specific qualification, additional to Basic Training / Basic Examinations, associated with a particular aircraft type and enabling appropriately licensed and authorised certifying staff to exercise certification privileges on that aircraft type [e.g. AIRBUS A319/A320/A321 (CFM LEAP-1A)].

  • Practical training carried out in a real aircraft maintenance environment, under supervision, within a Part-145 Approved Maintenance Organisation, enabling candidates to consolidate their technical skills and meet the applicable EASA requirements, particularly those associated with the first aircraft type rating endorsement on an EASA Part-66 Aircraft Maintenance Licence (AML).

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