S.C. Code Ann. § 55-9-210
The local public authorities having power to appropriate moneys within the counties, municipalities or other political subdivisions of this State acquiring, establishing, developing, operating, maintaining or controlling airports or landing fields under the provisions of this chapter may appropriate and cause to be raised by taxation or otherwise in such political subdivisions moneys sufficient to carry out therein the provisions of this chapter and may also use for any such purpose moneys derived from such airports or landing fields.