21.113—Requirement of supplemental type certificate.

Any person who alters a product by introducing a major change in type design, not great enough to require a new application for a type certificate under § 21.19, shall apply to the Administrator for a supplemental type certificate, except that the holder of a type certificate for the product may apply for amendment of the original type certificate. The application must be made in a form and manner prescribed by the Administrator.

Code of Federal Regulations

Effective Date Note: By Doc. No. FAA-2006-25877, 74 FR 53387, Oct. 16, 2009, § 21.113 was revised, effective Apr. 14, 2010. The effective date of this revision was subsequently postponed to Apr. 16, 2011 at 75 FR 9095, Mar. 1, 2010. For the convenience of the user, the revised text is set forth as follows: § 21.113 Requirement for supplemental type certificate. (a) If a person holds the TC for a product and alters that product by introducing a major change in type design that does not require an application for a new TC under § 21.19 , that person must either apply to the appropriate aircraft certification office for an STC or apply to amend the original type certificate under subpart D of this part. (b) If a person does not hold the TC for a product and alters that product by introducing a major change in type design that does not require an application for a new TC under § 21.19 , that person must apply to the appropriate aircraft certification office for an STC. (c) The application for an STC must be made in the form and manner prescribed by the FAA.