Published date: 5 November 2021


This Advisory Circular (AC) describes an acceptable means of compliance with Civil Aviation Rule Part 43 General Maintenance Rules by providing methods, techniques, and practices that are acceptable to the Director in the form of technical instructions which are acceptable technical data under Part 21, Appendix D(a)(6).

Related rules

This AC relates specifically to Part 43 General Maintenance Rules.

Change notice

This revision makes the format consistent, amends Appendix 6 to include dual NAV/COM devices and adds the following new appendices:

  • Appendix 15: Antenna installations
  • Appendix 16: Installation of replacement LED lights
  • Appendix 17: Installation of supplemental electronic carbon monoxide (CO) detectors
  • Appendix 18: Installation of Angle of Attack systems for awareness only
  • Appendix 19: Installation of ADS-B devices for awareness only

It also changes the order of some sections, in order to insert updated information.

Cancellation notice

This AC cancels AC43-14 Revision 5, dated 5 July 2019.