Part 66 · Category B1/B2

EASA Part 66 exam preparation — pass on the first attempt

Practice tests and exam questions for every Part 66 module, with instant explanations on every answer and a dashboard that tracks exactly where you stand.

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5 free questions in every module — no account needed to start.

Study modules

21,107

Practice questions

Real exam papers

Sample questionModule 8 · Basic Aerodynamics

The angle between the chord line of the wing and the relative airflow is called:

AAngle of attack✓

BAngle of incidence

CDihedral angle

DSweep angle

Practice by module

EASA Part 66 practice tests by module

Pick a module and try 5 free questions right away — no account needed. Every answer comes with an explanation.

All 17 modules and 10 real exam papers →

Digital Techniques & Electronic Instrument Systems

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Real exam papers

Module 1 Module 4 · paper 1 Module 4 · paper 2 Module 4 · paper 3 Module 5 Module 6 Module 7 Module 8 Module 9 Module 10Subscriber access

Type training

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Each course kept on its own, so you only practise what your course covers.

Aircraft-maintenance students preparing for their Part 66 exams together

How it works

How you get from studying to passing

No shortcuts — just focused repetition until it sticks. Every one of our 21,107 questions carries a written explanation, and 10 real exam papers show you what the day actually looks like. You revise against the same 75% pass mark you’ll face in the exam hall.

Start where you are weakest: Full banks for all 17 modules, plus 10 real exam papers.
Learn from every answer: An explanation on each one, not just a correct letter.
See where you stand: Your dashboard flags the weak spots to study next.
Repeat until automatic: Retake until your score clears 75% with room to spare.

Exam simulator

Sit the real exam before the real exam

The exam simulator recreates the exact EASA Part 66 format for your licence category: the official question count, a live countdown and the 75% pass mark, so nothing on exam day is a surprise.