14 C.F.R. § 21.91 Applicability.
Title 14 - Aeronautics and Space
This subpart prescribes procedural requirements for the approval of changes to type certificates.
Title 14: Aeronautics and Space
PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart D—Changes to Type Certificates
§ 21.91 Applicability.
