Wharton Regional Airport (IATA: WHT, ICAO: KARM, FAA LID: ARM) is a public airport located five miles (8 km) southwest of the central business district of Wharton, a city in Wharton County, Texas, United States. It is owned by the City of Wharton. Many U.S. airports use the same three-letter location identifier for the FAA and IATA. However, this airport is assigned ARM by the FAA but has been assigned WHT from the IATA.Note that ARM was assigned to Armidale Airport in Armidale, New South Wales, Australia. The airport's former FAA identifier was 5R5.