What is the purpose of EASA Part-66?

Question

What is the purpose of EASA Part-66?

Answer 1

The purpose:

In Europe, Aircraft Maintenance Certifying Personnel have to comply to part-66 Certifying Staff of the EASA if they want employment.

Answer 2

Part 66 is based on the older JAR system and the required training level follows the ATA 104 system. There are 3 levels of authorization:

Category A (Line Maintenance Mechanic): Basic A category License + Task Training (Level depends on Task Complexity) + Company Certification Authorization for specific Tasks ("A category A aircraft maintenance licence permits the holder to issue certificates of release to service following minor scheduled line maintenance and simple defect rectification within the limits of tasks specifically endorsed on the authorisation. The certification privileges shall be restricted to work that the licence holder has personally performed in a Part-145 organisation"),

Category B1 (Mechanical) and/or B2(Avionics) (Line Maintenance Technician): Basic B1/B2 category License + Type Training (i.e. Line & Base Maintenance i.a.w. ATA 104 Level III) + Company Certification Authorization ("A category B1 aircraft maintenance licence shall permit the holder to issue certificates of release to service following maintenance, including aircraft structure, powerplant and mechanical and electrical systems. Replacement of avionic line replaceable units, requiring simple tests to prove their serviceability, shall also be included in the privileges. Category B1 shall automatically include the appropriate A subcategory", "A category B2 aircraft maintenance licence shall permit the holder to issue certificates of release to service following maintenance on avionic and electrical systems").

Category C (Base Maintenance Engineer): Basic C category license + Type Training (Line & Base Maintenance i.a.w. ATA 104 Level III for the first Type Rating and ATA 104 Level I training for subsequent Aircraft Types of similar technology, otherwise Level III training) + Company Certification Authorization ("A category C aircraft maintenance licence shall permit the holder to issue certificates of release to service following base maintenance on aircraft. The privileges apply to the aircraft in its entirety in a Part-145 organisation").