14 CFR · Part 25
14 CFR § 25.1021
Oil system drains.
A drain (or drains) must be provided to allow safe drainage of the oil system. Each drain must—
(a)
Be accessible; and
(b)
Have manual or automatic means for positive locking in the closed position.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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