Part-66 Module 10
EASA Part-66 Module 10 - Aviation Legislation
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ExploreAbout this exam
This page covers Module 10 - Aviation Legislation, the regulatory knowledge module of the EASA Part-66 aircraft maintenance licence syllabus. It is a common module, sat by candidates working towards the licence categories, and it is often one of the first hurdles, because everything that follows assumes you know who is allowed to do what, and on whose authority.
The syllabus runs from the top down: the international framework (ICAO annexes and the state's obligations), the European basic regulation and the implementing rules built on it - design and production, licensing of maintenance staff, approved maintenance organisations, continuing airworthiness management and air operations. It then turns to the practical side: type certificates, airworthiness directives and service bulletins, maintenance programmes, the certificate of airworthiness, the airworthiness review and the release to service.
Preparation is mostly reading primary sources rather than summaries. Work through the actual regulation annexes, note the definitions, then test yourself with scenarios - who may certify, who approves, what record is required, and how long it must be kept. The module is examined by Part-147 organisations and competent authorities; this page is an independent study resource and is not affiliated with either.
What you'll study
About Part-66 Module 10 preparation
What is Module 10 and is it compulsory?
It is the aviation legislation module of the Part-66 licence syllabus and is common to the licence categories. Whether you sit it, and when, depends on your training route - an approved Part-147 course or an experience-based assessment. Your training organisation or competent authority confirms what applies to your category.
What does the exam actually feel like?
Computer-based, closed book, multiple choice, delivered by a Part-147 approved training organisation or by a competent authority. Questions are drawn from across the whole syllabus rather than one section, so skipping a topic is risky. The delivering organisation publishes the exact format and session arrangements.
How many questions are there and how long do I get?
These are set by the organisation delivering the exam, not fixed by this page. The current figures appear on the website of your Part-147 provider or competent authority, alongside session dates and booking rules. Check before you book, since arrangements can differ between providers.
How difficult is it really?
Most of the content is recall - who does what, which document authorises which activity. The difficulty comes from documents that sound alike: Part-M versus Part-145 responsibilities, airworthiness directives versus service bulletins, approval versus acceptance. Candidates who memorise abbreviations without the relationships behind them tend to struggle.
What study order works best?
Start with the ICAO framework and the basic regulation, then work outward: design and production, licensing and maintenance organisations, continuing airworthiness, then air operations. Finish with continuing airworthiness, which carries the heaviest weighting, and re-read it against real documents such as an airworthiness directive and a maintenance programme.
Where do candidates usually lose marks?
Mixing up who is responsible: the operator, the continuing airworthiness management organisation, the maintenance organisation and the competent authority. Also weak on release documentation - who may sign, and what a certificate of airworthiness does not authorise - plus maintenance programme approval and directive compliance recording. These appear as scenarios, not definitions.
Can I retake it, and is there a waiting period?
Retake rules, waiting periods and the number of attempts permitted are set by the delivering organisation or competent authority. Some require a minimum interval or extra training before a resit. Ask your provider before your first attempt, so an unexpected fail does not derail your licence application timeline.
Can I take the regulation text into the exam?
No - the exam is closed book. Some organisations issue extracts or a reference booklet with the paper; others do not. Assume you must know the structure and key provisions from memory, and confirm with your provider whether any reference material is supplied on the day.
What is the pass mark?
The pass standard is set by the competent authority and applied by the delivering organisation, and official figures are published by them. Do not rely on a number quoted in a forum or an old syllabus copy - check your authority's site or ask your training provider directly.