{"data":{"id":"us/14-cfr-21.213","jurisdiction":"us","citation":"14 CFR 21.213","heading":"Eligibility.","body":"(a) A manufacturer who is a United States citizen may apply for a Class I or Class II provisional airworthiness certificate for aircraft manufactured by him within the U.S.\n(b) Any holder of an air carrier operating certificate under Part 121 of this chapter who is a United States citizen may apply for a Class II provisional airworthiness certificate for transport category aircraft that meet either of the following:\n(1) The aircraft has a current Class II provisional type certificate or an amendment thereto.\n(2) The aircraft has a current provisional amendment to a type certificate that was preceded by a corresponding Class II provisional type certificate.\n(c) An aircraft engine manufacturer who is a United States citizen and who has altered a type certificated aircraft by installing different type certificated engines, manufactured by him within the United States, may apply for a Class I provisional airworthiness certificate for that aircraft, if the basic aircraft, before alteration, was type certificated in the normal, utility, acrobatic, commuter, or transport category.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND ARTICLES","Subpart I—Provisional Airworthiness Certificates"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"6f2ab74a51bcc62eeb88b50dcb83e65123832fc99cb97cc8a353b59a032e6b6d","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-21.211","next":"us/14-cfr-21.215"},"notice":"GroundRules: Original legal text. Not legal advice."}