
THE PART-66
Understanding the pathway
starts with the licence.
EASA Part-66 defines the knowledge and experience requirements for aircraft maintenance licensing in Europe. The licence categories reflect different areas of aircraft maintenance responsibility.
01
B1
Mechanical
Mechanical-focused aircraft maintenance, covering aircraft structures, powerplant, mechanical systems and related electrical systems.
02
B2
Avionics
Avionics-focused aircraft maintenance, covering electrical, instrument, radio, navigation and avionics systems.

Choose your pathway
Different roles. Different knowledge. One clear direction.
Choose the licence pathway that best matches the type of aircraft maintenance work you want to pursue.
PART-66
MODULES
The knowledge behind
aircraft maintenance.
Part-66 is built around a structured set of knowledge modules. The modules you need depend on the licence pathway you choose.
Electronic Instrument Systems
From foundation to specialisation
Your pathway changes here
B1.1
Aeroplanes Turbine
Structures and Systems
B1.2
Aeroplanes Piston
Structures and Systems
B2
Avionics
Structures and Systems
Module applicability and knowledge levels vary by licence category and subcategory. Training should be planned according to the applicable EASA Part-66 requirements.