14 CFR 21.97 - Approval of major changes in type design.

§ 21.97 Approval of major changes in type design.

(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.

[Amdt. 21-40, 39 FR 35459, Oct. 1, 1974, as amended by Amdt. 21-92, 74 FR 53387, Oct. 16, 2009; Amdt. 21-96, 77 FR 71695, Dec. 4, 2012]

Title 14 published on 2015-11-17

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR Part 21 after this date.

  • 2017-03-15; vol. 82 # 49 - Wednesday, March 15, 2017
    1. 82 FR 13752 - Airworthiness Criteria: Glider Design Criteria for Stemme AG Model Stemme S12 Powered Glider
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Airworthiness design criteria.
      These airworthiness design criteria are effective April 14, 2017.
      14 CFR Part 21