Purpose
This Advisory Circular (AC) describes an acceptable means of compliance with Civil Aviation Rules, Part 21 Certification of Products and Parts Subpart K and Part 43 General Maintenance Rules Subpart B, relating to the use of acceptable parts on type certificated aircraft.
Related rules
This AC relates specifically to Civil Aviation Rules, Part 21 Certification of Products and Parts Subpart K, Part 43 General Maintenance Rules, and Part 145 Aircraft Maintenance Organisations —Certifications.
Change notice
Revision 2:
- Clarifies eligibility of CASA Form 1 in sections 2.4, 3.1 and 5.2, and deletes clarification ‘formerly DA1’.
- Deletes clarification ‘formerly JAA Form One’, after EASA Form 1 in sections 2.4, 3.1 and 5.2.
- Deletes clarification ‘formerly TC24 0078’ after Transport Canada Form One in sections 2.4, 3.1 and 5.2.
- Adds section 5.3 about the eligibility of CASA Form 1 for a CAANZ Part 145-certificated organisation.
- Deletes note about the incorrect rule reference which was corrected in 2021.
- Makes minor stylistic changes to align with current AC format.
