← Canadian Aviation Regulations
History — 521.158
Every captured version of this section, newest first. Word-level diffs show exactly what each amendment changed. Read the current text →
FIRST SEENsnapshot of 2026-03-01 · consolidation amended to 2025-12-09
Text as first captured
521.158 (1) Subject to subsections (2) to (9), an applicant for the approval of a change to the type design of an aeronautical product shall demonstrate that the product meets the standards of airworthiness recorded in the type certificate data sheets and in force on the date of the application for the change. (2) The certification basis for the issuance of a repair design approval or a part design approval is that recorded in the type certificate data sheets, and includes any special conditions referred to in subsection (7). (3) A change to the type design of an aeronautical product may conform to an earlier amendment to a standard referred to in subsection (1) if the Minister determines that the change is not significant in the context of all previous relevant design changes and of all related amendments to the applicable standards recorded in the type certificate data sheets. The change is significant if (a) the general configuration or principles of construction are not retained; or (b) the assumptions used in obtaining the type certificate for the aeronautical product do not remain valid. (4) A change to the type design of an aeronautical product may conform to an earlier amen…