{"data":{"id":"us/14-cfr-25.497","jurisdiction":"us","citation":"14 CFR 25.497","heading":"Tail-wheel yawing.","body":"(a) A vertical ground reaction equal to the static load on the tail wheel, in combination with a side component of equal magnitude, is assumed.\n(b) If there is a swivel, the tail wheel is assumed to be swiveled 90° to the airplane longitudinal axis with the resultant load passing through the axle.\n(c) If there is a lock, steering device, or shimmy damper the tail wheel is also assumed to be in the trailing position with the side load acting at the ground contact point.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES","Subpart C—Structure"],"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":"e4e06cd3f8896512ee3c96e756a8094d4657999e3aa20ed0d5a5ead46c8148ae","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-25.495","next":"us/14-cfr-25.499"},"notice":"GroundRules: Original legal text. Not legal advice."}