S.C. Code Ann. § 55-11-351: Unauthorized entry, obstruction of access, and physical violence upon airport property.

It is unlawful for a person or group of persons wilfully and knowingly to:

(1) enter or remain on an airport's roads, streets, buildings, parking facilities, or other airport properties unless the person is authorized by airport rules and regulations when entry is done for the purpose of uttering loud, threatening, and abusive language, or to engage in disorderly or disruptive conduct with the intent to impede, disrupt, or disturb the orderly conduct of business by airport or airport tenants' employees;

(2) obstruct or impede passage on an airport's properties or buildings; or

(3) engage in an act of physical violence upon airport properties or buildings.