The federal government prohibits smoking on all U.S. airline flights arriving in or departing from the United States . 49 U.S.C.A. § 41706 (a) (2005).

Civil fines for smoking on an airline flight range from $2,200 for smoking in an airplane seat or cabin to $3,300 for smoking in an airplane lavatory. Tampering with a smoke detector installed in an airplane lavatory is punishable by a $2,200 fine. 14 C.F.R. § 121.317(g), (h), (i) (2005); 49 U.S.C.A. § 46301 (2005).