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Title 14: Aeronautics and Space
CHAPTER I: FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER C: AIRCRAFT
PART 21: CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart B: Type Certificates
21.19 - Changes requiring a new type certificate.
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]
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