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]
authority: 49 U.S.C. 106(f), 106(g), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 46105; Pub. L. 111-216, 124 Stat. 2348 (
49 U.S.C. 44701 note); Pub. L. 112-95, 126 Stat. 62 (
49 U.S.C. 44732 note); Pub. L. 115-254, 132 Stat. 3186 (
49 U.S.C. 44701 note)
cite as: 14 CFR 121.139