{"data":{"id":"us/14-cfr-25.399","jurisdiction":"us","citation":"14 CFR 25.399","heading":"Dual control system.","body":"(a) Each dual control system must be designed for the pilots operating in opposition, using individual pilot forces not less than—\n(1) 0.75 times those obtained under § 25.395; or\n(2) The minimum forces specified in § 25.397(c).\n(b) The control system must be designed for pilot forces applied in the same direction, using individual pilot forces not less than 0.75 times those obtained under § 25.395.","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":"16001282b4b907289bd4a42f5a8821474104f24ffb105512061a84b15cb1d787","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-25.397","next":"us/14-cfr-25.405"},"notice":"GroundRules: Original legal text. Not legal advice."}