{"data":{"id":"us/14-cfr-34.20","jurisdiction":"us","citation":"14 CFR 34.20","heading":"Applicability.","body":"The provisions of this subpart are applicable to all aircraft gas turbine engines of the classes specified beginning on the dates specified in § 34.21.","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 C—Exhaust Emissions (New 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":"d8990b5741b8028355dfd46e74af3db8b7cb1ff62d3a298c350b78631a07c57c","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-34.11","next":"us/14-cfr-34.21"},"notice":"GroundRules: Original legal text. Not legal advice."}