{"data":{"id":"us/14-cfr-91.853","jurisdiction":"us","citation":"14 CFR 91.853","heading":"Final compliance: Civil subsonic airplanes.","body":"Except as provided in § 91.873, after December 31, 1999, no person shall operate to or from any airport in the contiguous United States any airplane subject to § 91.801(c), unless that airplane has been shown to comply with Stage 3, Stage 4, or Stage 5 noise levels.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER F—AIR TRAFFIC AND GENERAL OPERATING RULES","PART 91—GENERAL OPERATING AND FLIGHT RULES","Subpart I—Operating Noise Limits"],"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":"0a9e9762f091d59de5fad6f0406e97f3401923cc8b25ea3e428a931b05680610","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-91.851","next":"us/14-cfr-91.855"},"notice":"GroundRules: Original legal text. Not legal advice."}