S.C. Code Ann. § 61-6-4720: Consumption of alcoholic liquor in public conveyance.

A person who drinks alcoholic liquors in a public conveyance in this State is considered guilty of a misdemeanor and, upon conviction, must be fined not more than one hundred dollars or be imprisoned not more than thirty days. This section does not apply to a railroad dining or club car or to an aircraft of a commercial airline transporting passengers for hire.