14 C.F.R. § 27.231 General.
Title 14 - Aeronautics and Space
The rotorcraft must have satisfactory ground and water handling characteristics, including freedom from uncontrollable tendencies in any condition expected in operation.
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart B—Flight
Ground and Water Handling Characteristics
§ 27.231 General.
