From Part 66, Appendix II
Experience Requirements
for category B2 and subcategories B1.1 and B1.3:
i. five years of practical maintenance experience on operating aircraft if the applicant has no previous relevant
technical training; or
ii. three years of practical maintenance experience on operating aircraft and completion of training considered
relevant by the competent authority as a skilled worker, in a technical trade; or
iii. two years of practical maintenance experience on operating aircraft and completion of a Part -147 approved
basic training course.