14 CFR 21.97
§ 21.97 Approval of major changes in type design.
United States · 14 CFR — Aeronautics and Space · Status: effective
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- Citation
- 14 CFR 21.97, § 21.97 Approval of major changes in type design, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/53771
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Full text
(a) An applicant for approval of a major change in type design must—
(1) Provide substantiating data and necessary descriptive data for inclusion in the type design;
(2) Show that the change and areas affected by the change comply with the applicable requirements of this subchapter, and provide the FAA the means by which such compliance has been shown; and
(3) Provide a statement certifying that the applicant has complied with the applicable requirements.
(b) Approval of a major change in the type design of an aircraft engine is limited to the specific engine configuration upon which the change is made unless the applicant identifies in the necessary descriptive data for inclusion in the type design the other configurations of the same engine type for which approval is requested and shows that the change is compatible with the other configurations.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.