{"data":{"id":"us/14-cfr-34.30","jurisdiction":"us","citation":"14 CFR 34.30","heading":"Applicability.","body":"The provisions of this subpart are applicable to all in-use aircraft gas turbine engines certificated for operation within the United States of the classes specified, beginning on the dates specified in § 34.31.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 34—FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANES","Subpart D—Exhaust Emissions (In-use Aircraft Gas Turbine Engines)"],"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":"7b2698dc6d4a471b97e1560f41d1cccdc073093dfac76b616ca771f8774f33bf","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-34.25","next":"us/14-cfr-34.31"},"notice":"GroundRules: Original legal text. Not legal advice."}