{"data":{"id":"us/14-cfr-21.313","jurisdiction":"us","citation":"14 CFR 21.313","heading":"Duration.","body":"A PMA is effective until surrendered, withdrawn, or the FAA otherwise terminates it.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF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 K—Parts Manufacturer Approvals"],"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":"84577d4bbb7095538303a3a5d528c4c069925089f04dec7b6f11525c4cb9e5b3","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-21.311","next":"us/14-cfr-21.314"},"notice":"GroundRules: Original legal text. Not legal advice."}