South Carolina Code of Laws — Title 12 (Taxation)
S.C. Code Ann. § 12-43-360 — Assessed value of aircraft
The governing body of a county by ordinance may reduce the assessment ratio otherwise applicable in determining the assessed value of general aviation aircraft subject to property tax in the county to a ratio not less than four percent of the fair market value of the general aviation aircraft. The ordinance must apply uniformly to all general aviation aircraft subject to property tax in the county.
Source: official text