The objective of Part 39 is to ensure that aircraft continue to operate safely, by correcting any safety deficiencies in a timely manner.

Part 39 prescribes rules for:

  • operator compliance with an airworthiness directive
  • the approval of an alternative means of compliance regarding the requirements specified in an airworthiness directive.

Download the PDF version of the Part 39 consolidation [PDF 76 KB] or browse the content below.

Consolidations of the Civil Aviation Rules are for reference – they are not the official versions of the rules – to view those, see 'history of amendments'.

The history of amendments below, when expanded, shows copies of the original issue, amendments, and re-issues of this Part. Other legislative changes shown are for reference – to view the full version of the relevant amendment Act, see www.legislation.govt.nz(external link)

View Part 39 Airworthiness Directives

 

Amendment Effective date NPRM Summary of submissions
Initial issue [PDF 598 KB] 5 April 2025    

For an archived version, which includes history of amendments under the 1990 Act, please see Part 39 archived.