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

§ 21.97 Approval of major changes in type design. Link to an amendment published at 77 FR 71695, December 4, 2012.
(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 changed product complies 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]
Effective Date Note:
At 77 FR 71695, Dec. 4, 2012, § 21.97(a)(2) was revised, effective Feb. 4, 2013. For the convenience of the user, the revised text is set forth as follows:
§ 21.97 Approval of major changes in type design.
(a) * * *
(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

Title 14 published on 2014-01-01

no entries appear in the Federal Register after this date.

Title 14 published on 2014-01-01

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

  • 2014-02-27; vol. 79 # 39 - Thursday, February 27, 2014
    1. 79 FR 11004 - Changes to Production Certificates and Approvals
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Notice of proposed rulemaking (NPRM).
      Send comments on or before May 28, 2014.
      14 CFR Parts 21 and 45