Maintenance Advisory Circulars

These Advisory Circulars focus on maintenance. If you are looking for an Advisory Circular that is not included here, go to the Advisory Circulars page. To purchase paper copies call free 0800 GET RULES (0800 438 785).

Part 21 – Certification of Products and Parts
AC00-1 Rev 0 Acceptability of Parts 24/07/07
AC00-2 Rev 0 Storage and distribution of aeronautical supplies 24/07/07
AC21-80A Identification of product and parts – Identification information, provision, and replacement 25/12/97
AC21-1A Product certification – Type certificates and type acceptance certificates 25/08/97
AC21-2B Product certification – Airworthiness certificates in the standard and restricted categories 25/12/97
AC21-3A Product certification – Airworthiness certificates in the special category 25/08/97
AC21-1.2   Rev 1 Product certification – Type certificates and type acceptance certificates – Appendix 2 to AC21-1A 01/04/05
AC21-05 Approval of modifications covering aircraft ferry fuel systems and overweight operation 21/11/01
Part 43 General Maintenance Rules
AC43-1B   Aircraft maintenance 25/12/97
AC43-2 Rev 1 Aircraft Empty Weight and Empty Weight Centre of Gravity – Forms CAA 2102 and CAA 2173 11/02/11 
AC43-3   Parts documentation – CAA Form One and CAA Form Two 25/12/97
AC43-4   On condition maintenance 25/12/97
AC43-5   Engine and propeller overhaul and testing 18/12/07
AC43-6   Emergency equipment 25/12/97
AC43-7   Calibration of compasses 25/12/97
AC43-8   Non-destructive Testing 30/10/06
AC43-21   Escape and egress systems 25/12/97
AC43-9A   Modifications, repairs, and the Form CAA 337 25/12/97
AC43-10   Aircraft radio station – Form CAA 2129 25/01/00
AC43-11   Emergency locator transmitters 03/03/97
AC43-12   Non-aeronautical lead acid batteries 03/03/97
AC43-14   Avionics, installations – Acceptable technical data 16/11/98
AC43-15   Aircraft Software Configuration Management 30/09/10
Part 47 Aircraft Registration and Marking
AC47-1A Aircraft registration and marking 25/12/97
Part 66 Aircraft Maintenance Personnel Licensing
AC Rev # Title Effective date
AC66–1 1Aircraft Maintenance Engineer Licence — General 01/12/08
AC66–2.1A 1Aircraft Maintenance Engineer Licence —Examination Subject 1A Aeronautical Science — Mathematics & Physics 29/06/09
AC66–2.1B 1Aircraft Maintenance Engineer Licence — Examination Subject 1B Aeronautical Science — Electrical Fundamentals 29/06/09
AC66–2.2 2Aircraft Maintenance Engineer Licence — Examination Subject 2 Aircraft Engineering Knowledge 29/06/09
AC66–2.3 1Aircraft Maintenance Engineer Licence —Examination Subject 3 Aircraft Materials 29/06/09
AC66–2.4 2Aircraft Maintenance Engineer Licence — Examination Subject 4 Aeroplanes 1 29/06/09
AC66–2.5 2Aircraft Maintenance Engineer Licence — Examination Subject 5 Aeroplanes 2 29/06/09
AC66–2.6 2Aircraft Maintenance Engineer Licence —Examination Subject 6 Rotorcraft 29/06/09
AC66–2.7 2Aircraft Maintenance Engineer Licence — Examination Subject 7 Piston Engines 29/06/09
AC66–2.8 2Aircraft Maintenance Engineer Licence — Examination Subject 8 Turbine Engines 29/06/09
AC66–2.11 1Aircraft Maintenance Engineer Licence — Examination Subject 11 Avionics 1 29/06/09
AC66–2.12 1Aircraft Maintenance Engineer Licence — Examination Subject 12 Avionics 2 29/06/09
AC66–2.13 1Aircraft Maintenance Engineer Licence —Examination Subject 13 Electrical Systems 29/06/09
AC66–2.14 1Aircraft Maintenance Engineer Licence —Examination Subject 14 Instrument Systems 29/06/09
AC66–2.15 1Aircraft Maintenance Engineer Licence —Examination Subject 15 Radio Systems 29/06/09
AC66–2.16 1Aircraft Maintenance Engineer Licence — Examination Subject 16 Compass Compensation 29/06/09
AC66–2.17 1Aircraft Maintenance Engineer Licence —Examination Subject 17 Human Factors 29/06/09
AC66–2.18 1Aircraft Maintenance Engineer Licence — Examination Subject 18 Lighter-Than-Air Aircraft 29/06/09
AC66–2.20 Aircraft Maintenance Engineer Licence — Examination Subject 20 Air Law — Written 29/06/09
AC66–2.21 0Aircraft Maintenance Engineer Licence — Examination Subject 21 Air Law — Oral 01/12/08
AC66–2.30 0Aircraft Maintenance Engineer Licence — Mechanical Group Ratings 01/12/08
AC66–2.31 0Aircraft Maintenance Engineer Licence — Avionic Group Ratings 01/12/08
AC66–2.32 0Aircraft Maintenance Engineer Licence — Certificate of Inspection Authorisation (Subject 025) 01/12/08
AC66–2.33 0Aircraft Maintenance Engineer Licence — Airframe Overhaul (Subject 009) 01/12/08
AC66–2.34 0Aircraft Maintenance Engineer Licence — Mechanical Component Ratings (Group 7) 01/12/08
AC66–2.35 0Aircraft Maintenance Engineer Licence — Avionic Component Group Ratings (Group 7) 01/12/08