Part 66 · Category B1/B2

Pass your aircraft maintenance exam on the first attempt

Structured practice by module, instant explanations on every question, and a dashboard that tracks exactly where you stand.

Start free View subscription

20+

Study modules

10,000+

Practice questions

24/7

Access on any device

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

Explanation · Angle of attack is measured between the chord line and the relative wind — not to be confused with angle of incidence.

How you get from studying to passing

No shortcuts — just focused repetition until it sticks.

Practice by module

Work through question banks for every Part 66 module, plus real past exam papers, so you know exactly what to expect on the day.

Learn from every answer

Every question comes with an explanation, not just a correct answer — wrong guesses turn into things you actually understand.

See where you stand

Your dashboard tracks your best score per module and flags the weak spots, so you always know what to study next.

Repeat until it's automatic

Retake modules, watch your score climb past the 75% pass mark, and check the rankings to see how you compare. You practice, you improve, you pass.

Study Modules

Free preview questions in every module — subscribe for full access.

Pass your aircraft maintenance exam on the first attempt

How you get from studying to passing

Practice by module

Learn from every answer

See where you stand

Repeat until it's automatic

Study Modules

Module 1: Mathematics

Module 2: Physics

Module 3: Electrical Fundamentals

Module 4: Electronic Fundamentals

Module 5: Digital Techniques & Electronic Instrument Systems

Module 6: Materials & Hardware

Module 7: Maintenance Practices

Module 8: Basic Aerodynamics

Module 9: Human Factors

Module 10: Aviation Legislation

Module 11: Aeroplane Aerodynamics, Structures and Systems

Module 12: Helicopter Aerodynamics, Structures and Systems

Module 13: Aircraft Aerodynamics, Structures and Systems

Module 14: Propulsion

Module 15: Gas Turbine Engine

Module 17: Propeller

Module 4: Electronic Fundamentals - Real Exam

Module 5: Digital Techniques & Electronic Instrument Systems - Real Exam

Module 6: Materials & Hardware - Real Exam

Module 7: Maintenance Practices - Real Exam

Module 8: Basic Aerodynamics - Real Exam

Module 9: Human Factors - Real Exam

Module 10: Aviation Legislation - Real Exam