§ 21.113. Requirement for supplemental type certificate.
146 words·~1 min read·
/us/cfr/t14/s§ 21.113·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(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 apply to the FAA either for an STC, or 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 FAA for an STC.
(c)The application for an STC must be made in the form and manner prescribed by the FAA. [Doc. No. FAA-2006-25877, Amdt. 21-92, 74 FR 53387, Oct. 16, 2009; Doc. No. FAA-2018-0119, Amdt. 21-101, 83 FR 9169, Mar. 5, 2018]