Module Syllabus
EASA Part66 training syllabus as per Regulation (EU) 2023/989
Not sure where to begin? See EASA Part 66 explained — categories, exams and experience.
Syllabus content is based on Commission Implementing Regulation (EU) 2023/989, Appendix I (Basic Knowledge Requirements). View full regulation.
Licence Categories (66.A.5)
A Line maintenance mechanic — minor scheduled line maintenance and simple defect rectification (A1/A2 aeroplanes, A3/A4 helicopters)
B1 Maintenance technician — aircraft structure, powerplant, mechanical and electrical systems (B1.1/B1.2 aeroplanes, B1.3/B1.4 helicopters)
B2 Avionics maintenance technician — avionics and electrical systems, all aircraft types
B2L Avionics maintenance technician with limitations — avionics systems by endorsed system rating, non-Group 1 aircraft
B3 Maintenance technician — non-pressurised piston-engine aeroplanes of 2 000 kg MTOM and below
Module 1
Mathematics
A B1 B2 B2L B3
Module 2
Physics
A B1 B2 B2L B3
Module 3
Electrical Fundamentals
A B1 B2 B2L B3
Module 4
Electronic Fundamentals
B1 B2 B2L B3
Module 5
Digital Techniques / Electronic Instrument Systems
A B1 B2 B2L B3
Module 6
Materials and Hardware
A B1 B2 B2L B3
Module 7
Maintenance Practices
A B1 B2 B2L B3
Module 8
Basic Aerodynamics
A B1 B2 B2L B3
Module 9
Human Factors
A B1 B2 B2L B3
Module 10
Aviation Legislation
A B1 B2 B2L B3
Module 11
Aeroplane Aerodynamics, Structures and Systems
A1 A2 B1.1 B1.2 B3
Module 12
Helicopter Aerodynamics, Structures and Systems
A3 A4 B1.3 B1.4
Module 13
Aircraft Aerodynamics, Structures and Systems
B2 B2L
Module 14
Propulsion
B2 B2L
Module 15
Gas Turbine Engine
A1 A3 B1.1 B1.3
Module 16
Piston Engine
A2 A4 B1.2 B1.4 B3
Module 17
Propeller
A1 A2 B1.1 B1.2 B3