14 C.F.R. § 29.873 Ballast provisions.
Title 14 - Aeronautics and Space
Ballast provisions must be designed and constructed to prevent inadvertent shifting of ballast in flight.
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart D—Design and Construction
Miscellaneous
§ 29.873 Ballast provisions.