14 CFR 252.1 - Purpose.
This part implements a ban on smoking of tobacco products on air carrier and foreign air carrier flights in scheduled intrastate, interstate and foreign air transportation, as required by 49 U.S.C. 41706. It also addresses smoking on charter flights. Nothing in this regulation shall be deemed to require air carriers or foreign air carriers to permit the smoking of tobacco products aboard aircraft.
As defined in 49 U.S.C. 40102, an “air carrier” is a citizen of the United States undertaking to provide air transportation, and a “foreign air carrier” is a person, not a citizen of the United States, undertaking to provide foreign air transportation.