Published date: 6 September 2023


This AC describes an acceptable means of compliance for obtaining certification under Part 145 for the purpose of conducting maintenance of specific aircraft or aircraft components.

Related rules

This AC relates specifically to Civil Aviation Rule Part 145 Aircraft Maintenance Organisations—Certification.

Change notice

Revision 8 removes references to Part 141 throughout the document and provides additional detail on the authorisation of staff who maintain components. Minor changes have also been incorporated to highlight the significance of ATA Specification 104 (now at Revision 2022.1).

Lastly, an error has been fixed in the section on rule 145.63, Records, Operator’s records, correcting the time that records need to be retained from one year to five years, in accordance with the relevant rule.