Decatur Municipal Airport (ICAO: KLUD, FAA LID: LUD) is a city-owned public airport two miles (3.7 km) north of Decatur, in Wise County, Texas. Most U.S. airports use the same three-letter location identifier for the FAA and IATA, but Decatur Municipal Airport is assigned LUD by the FAA and has no IATA designation (IATA assigned LUD to Lüderitz Airport in Namibia).