14 C.F.R. § 25.871 Leveling means.
Title 14 - Aeronautics and Space
There must be means for determining when the airplane is in a level position on the ground. [Amdt. 25–23, 35 FR 5676, Apr. 8, 1970]
Title 14: Aeronautics and Space
PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
Subpart D—Design and Construction
Miscellaneous
§ 25.871 Leveling means.