{"data":{"id":"us/14-cfr-29.551","jurisdiction":"us","citation":"14 CFR 29.551","heading":"Auxiliary lifting surfaces.","body":"Each auxiliary lifting surface must be designed to withstand—\n(a) The critical flight loads in §§ 29.337 through 29.341, and 29.351;\n(b) the applicable ground loads in §§ 29.235, 29.471 through 29.485, 29.493, 29.505, and 29.521; and\n(c) Any other critical condition expected in normal operation.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 29—AIRWORTHINESS STANDARDS: TRANSPORT 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":"36ba5ad9050c14ad722d36d94f7a766dc3e8d3e6cfac207e97af86cd1d436191","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-29.549","next":"us/14-cfr-29.561"},"notice":"GroundRules: Original legal text. Not legal advice."}