{"data":{"id":"us/14-cfr-91.859","jurisdiction":"us","citation":"14 CFR 91.859","heading":"Modification to meet Stage 3, Stage 4, or Stage 5 noise levels.","body":"For an airplane subject to § 91.801(c) of this subpart and otherwise prohibited from operation to or from an airport in the contiguous United States by § 91.855, any person may apply for a special flight authorization for that airplane to operate in the contiguous United States for the purpose of obtaining modifications to meet 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":"d21b7caf5cc581ab457295642d8564cd907fc781773ffe6f5651ac71eae3ec2f","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-91.858","next":"us/14-cfr-91.861"},"notice":"GroundRules: Original legal text. Not legal advice."}