Assaulting a crewmember is punishable by up to 20 years' imprisonment, and a fine of up to $250,000. If a dangerous weapon is used, the defendant can be imprisoned for life. (18 U.S.C.

Assaulting a flight attendant is a serious federal offense that carries severe legal and financial consequences. Under U.S. law (49 U.S.C. § 46504), interfering with a crew member’s duties through assault or intimidation can result in up to 20 years in federal prison and fines of up to $35,000 per violation. Since 2021, the FAA has maintained a "Zero Tolerance" policy for unruly passengers, meaning they no longer issue warning letters and go straight to enforcement actions. Beyond criminal charges, the airline will almost certainly put the individual on a permanent "No Fly List," barring them from future travel on that carrier. In some cases, the airline may even sue the passenger for the costs associated with diverting the flight, which can exceed $100,000. These incidents are investigated by the FBI, and the legal repercussions follow the offender for life, often resulting in a permanent criminal record that restricts employment and international travel opportunities.