Q: What do I need to add a Category C to my Part 66 Licence?
A: You must have at least 3 years working in a Category B1 or B2 support role or as a line maintenance certifying engineer of which at least 12 months in a base maintenance certifying role.
Proof of experience certifying in a base maintenance environment shall be demonstrated by submitting a Part 145 Personal Authorisation Certificate or other supporting documentation.
For a Category C obtained through the academic route:
a. An academic degree in a technical discipline, from a university or other higher educational institution recognised by the competent authority
b. 3 years of experience working in a civil aircraft maintenance environment on a representative selection of tasks directly associated with aircraft maintenance including 6 months observation of base maintenance tasks.