Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) A person may apply to CASA, an authorised person or a relevant approved design organisation, in writing, for a modification/repair design approval for the design of a modification of, or a repair to:
(a) an aircraft, aircraft engine, propeller or appliance; or
(b) 2 or more aircraft, aircraft engines, propellers or appliances of the same type.
(2) An application must include the following information:
(a) the applicant's name and contact details;
(b) the make, model and serial number of each aircraft, aircraft engine, propeller or appliance to which the design of the modification or repair relates;
(c) if the design relates to a modification of, or repair to, one or more aircraft, the registration mark of each aircraft;
(d) a description of the modification or repair;
(e) the proposed airworthiness standards for the design;
(f) an outline of the means for demonstrating compliance with the proposed airworthiness standards.
Note 1: An application must be in the approved form, include all the information required by these Regulations and be accompanied by every document required by these Regulations--see regulation 11.030.
Note 2: Part 11 deals with applications and decision making.
(3) For an application relating to the design of a modification of, or repair to, an aircraft, aircraft engine or propeller for which there is a type certificate, type acceptance certificate or foreign type certificate, the proposed airworthiness standards for the design must be:
(a) both:
(i) the airworthiness standards that applied to the issue of the certificate, or a specified later version of those standards; and
(ii) any other standards the applicant considers to be directly related to those standards; or
(b) the standards prescribed by the Part 21 Manual of Standards.
(4) For an application relating to the design of a modification of, or repair to, an aircraft, aircraft engine or propeller not mentioned in subregulation (3), or an appliance, the proposed airworthiness standards for the design must be:
(a) both:
(i) the airworthiness standards that applied to the original certification (however described) of the aircraft, aircraft engine, propeller or appliance, or a specified later version of those standards; and
(ii) any other standards the applicant considers to be directly related to those standards; or
(b) the standards prescribed by the Part 21 Manual of Standards.