Sumter Airport is a public use airport located 4 nmi north of the central business district of Sumter, a city in Sumter County, South Carolina, United States. The airport is owned and operated by the Sumter County under an Airport Commission structure and has a county appointed airport manager, Jeff Knauer. Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, Sumter Airport is assigned SMS by the FAA and SUM by the IATA.