Part 4B of CAR Defect reporting

Rule status


Part 4B of Civil Aviation Regulations (CAR) explains:

  • when a person must report major defects in aircraft to CASA
  • how the report must be made
  • what CASA can do after receiving such a report.

Who it affects

Part 4B of CAR affects:

  • aviation personnel
  • maintenance personnel
  • maintenance organisations.

Legislative instruments

Non-legislative instruments

Non-legislative instruments include exemptions to particular regulatory requirements in aviation regulations or a Manual of Standards, but which apply to a particular person. Non-legislative instruments related to this part will display in this space or your can view our list of non-legislative instruments.

Guidance material

Advisory material provides advice and guidance to explain particular regulatory requirements of a CASR Part. Guidance material relating to this part will appear in this space or you can view all our guidance material.

2 guidance material available

CAAP 30-4 provides guidance to applicants when requesting changes or applying for a COA. It details acceptable procedures for CoA holders to maintain their certificates and includes internationally recognised maintenance terminology.

Civil Aviation Advisory Publication CAAP 30-4

Advisory circular AC 20-06 provides guidance and information to people reporting defects to CASA in accordance with Part 4B of CAR or Division 42.C.4 and Subdivision 42.D.6.2 of CASR.

Advisory Circular AC 20-06
Date published:
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