Sumter Airport (IATA: SUM, ICAO: KSMS, FAA LID: SMS) is a public use airport located 4 nmi (7.4 km) 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 (which assigned SMS to Sainte Marie Airport in Nosy Boraha, Madagascar).