14 C.F.R. § 25.1551 Oil quantity indication.
Title 14 - Aeronautics and Space
Each oil quantity indicating means must be marked to indicate the quantity of oil readily and accurately. [Amdt. 25–72, 55 FR 29786, July 20, 1990]
Title 14: Aeronautics and Space
PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
Subpart G—Operating Limitations and Information
Markings and Placards
§ 25.1551 Oil quantity indication.
