14 CFR § 135.120
Prohibition on interference with crewmembers
July 13, 2020
No person may assault, threaten, intimidate, or interfere with a crewmember in the performance of the crewmember's duties aboard an aircraft being operated under this part.
[Doc. No. FAA-1998-4954, 64 FR 1080, Jan. 7, 1999]