View all text of Subpart G [§ 121.131 - § 121.141]

§ 121.139 - Manual accessibility: Supplemental operations.

Each certificate holder conducting supplemental operations must ensure the appropriate parts of the manual are accessible to flight, ground, and maintenance personnel at all times when such personnel are performing their assigned duties. The information and instructions contained in the manual must be displayed clearly and be retrievable in the English language.

[Docket No. FAA-2022-0912; Amdt. No. 121-388, 88 FR 34443, May 30, 2023]