{"data":{"id":"us/14-cfr-27.473","jurisdiction":"us","citation":"14 CFR 27.473","heading":"Ground loading conditions and assumptions.","body":"(a) For specified landing conditions, a design maximum weight must be used that is not less than the maximum weight. A rotor lift may be assumed to act through the center of gravity throughout the landing impact. This lift may not exceed two-thirds of the design maximum weight.\n(b) Unless otherwise prescribed, for each specified landing condition, the rotorcraft must be designed for a limit load factor of not less than the limit inertia load factor substantiated under § 27.725.","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 C—Strength Requirements"],"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":"714b799e45ed7eed7bb1be23bdd32de15e52d426b33a9870aa36c80c333ac999","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-27.471","next":"us/14-cfr-27.475"},"notice":"GroundRules: Original legal text. Not legal advice."}