{"data":{"id":"us/14-cfr-23.2115","jurisdiction":"us","citation":"14 CFR 23.2115","heading":"Takeoff performance.","body":"(a) The applicant must determine airplane takeoff performance accounting for—\n(1) Stall speed safety margins;\n(2) Minimum control speeds; and\n(3) Climb gradients.\n(b) For single engine airplanes and levels 1, 2, and 3 low-speed multiengine airplanes, takeoff performance includes the determination of ground roll and initial climb distance to 50 feet (15 meters) above the takeoff surface.\n(c) For levels 1, 2, and 3 high-speed multiengine airplanes, and level 4 multiengine airplanes, takeoff performance includes a determination of the following distances after a sudden critical loss of thrust—\n(1) An aborted takeoff at critical speed;\n(2) Ground roll and initial climb to 35 feet (11 meters) above the takeoff surface; and\n(3) Net takeoff flight path.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 23—AIRWORTHINESS STANDARDS: NORMAL CATEGORY AIRPLANES","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":"cb3caa6b2a6b42a44ba0a87ea5d7c95fd11718201c6dedd992097050b7dbc97d","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-23.2110","next":"us/14-cfr-23.2120"},"notice":"GroundRules: Original legal text. Not legal advice."}