FAR DECODED — TITLE 14 CFR

Prohibition on Interference with Crewmembers

Regulation Text

No person may assault, threaten, intimidate, or interfere with a crewmember in the performance of the crewmember's duties aboard an aircraft being operated.

The short answer

(14 CFR § 91.11) No person may assault, threaten, intimidate, or interfere with a crewmember in the performance of the crewmember's duties aboard an aircraft being operated. The rule protects crewmembers performing their duties on an operating aircraft from any such interference.

Research Notes

Common Questions

What conduct does 91.11 prohibit?

It prohibits assaulting, threatening, intimidating, or interfering with a crewmember performing their duties aboard an operating aircraft.

“No person may assault, threaten, intimidate, or interfere with a crewmember in the performance of the crewmember's duties aboard an aircraft being operated.” — 14 CFR § 91.11

Who is protected by 91.11?

A crewmember in the performance of the crewmember's duties aboard an aircraft being operated is protected; the prohibition applies to any person.

“No person may assault, threaten, intimidate, or interfere with a crewmember in the performance of the crewmember's duties aboard an aircraft being operated.” — 14 CFR § 91.11

Angle of Attack is an aviation flight-training brand founded by Chris Palmer, a two-time Master Aviation Educator and Gold Seal CFI. We decode the FARs so pilots understand not just the words, but what they mean in the cockpit.

AOA's Decoded pages are plain-English interpretation for training and reference. They are not legal advice and do not replace the official regulation. Always confirm current requirements against the authoritative source before acting.