14 C.F.R. § 29.477 Landing gear arrangement.
Title 14 - Aeronautics and Space
Sections 29.235, 29.479 through 29.485, and 29.493 apply to landing gear with two wheels aft, and one or more wheels forward, of the center of gravity.
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart C—Strength Requirements
Ground Loads
§ 29.477 Landing gear arrangement.