14 CFR § 25.1551
Oil quantity indication
July 13, 2020
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]
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]