14 C.F.R. § 21.19 Changes requiring a new type certificate.
Title 14 - Aeronautics and Space
Each person who proposes to change a product must apply for a new type certificate if the Administrator finds that the proposed change in design, power, thrust, or weight is so extensive that a substantially complete investigation of compliance with the applicable regulations is required. [Doc. No. 28903, 65 FR 36265, June 7, 2000]
Title 14: Aeronautics and Space
PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart B—Type Certificates
§ 21.19 Changes requiring a new type certificate.
