{"data":{"id":"us/14-cfr-27.251","jurisdiction":"us","citation":"14 CFR 27.251","heading":"Vibration.","body":"Each part of the rotorcraft must be free from excessive vibration under each appropriate speed and power condition.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT","Subpart B—Flight"],"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":"b47d9865914f8b709c660de2c21ce2a321535bf5a5e7522927767803760fb5ef","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-27.241","next":"us/14-cfr-27.301"},"notice":"GroundRules: Original legal text. Not legal advice."}