Part 146 lays out the rules underpinning the certification and operation of an aircraft design organisation, and those for an aircraft design organisation to be allowed to approve a design change.

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 link).

Amendment Effective date NPRM Summary of submissions
Amendment 4 [PDF 73 KB] 10 Mar 2017 NPRM [PDF 539 KB] Summary [PDF 55 KB]
Amendment 3 [PDF 125 KB] 01 Feb 2016 NPRM [PDF 1.5 MB] Summary [PDF 89 KB]
Amendment 2 [PDF 58 KB] 01 Apr 2014    
Amendment 1 [PDF 66 KB] 01 Mar 2007    
Original issue [PDF 791 KB] 01 Apr 1997