FAR/AIM: § 121.241 Oil system drains.

FAR/AIM > Federal Aviation Regulations > PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS > Subpart J—Special Airworthiness Requirements > § 121.241 Oil system drains.

§ 121.241 Oil system drains.

Accessible drains incorporating either a manual or automatic means for positive locking in the closed position, must be provided to allow safe drainage of the entire oil system.