14 C.F.R. § 23.153 Control during landings.
Title 14 - Aeronautics and Space
It must be possible, while in the landing configuration, to safely complete a landing without exceeding the one-hand control force limits specified in §23.143(c) following an approach to land— (a) At a speed of VREF minus 5 knots; (b) With the airplane in trim, or as nearly as possible in trim and without the trimming control being moved throughout the maneuver; (c) At an approach gradient equal to the steepest used in the landing distance demonstration of §23.75; and (d) With only those power changes, if any, that would be made when landing normally from an approach at VREF. [Doc. No. 27807, 61 FR 5189, Feb. 9, 1996]
Title 14: Aeronautics and Space
PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES
Subpart B—Flight
Controllability and Maneuverability
§ 23.153 Control during landings.
