Porterville Municipal Airport is a city-owned public-use airport located three nautical miles (6 km) southwest of the central business district of Porterville, a city in Tulare County, California, United States. According to the FAA's National Plan of Integrated Airport Systems for 2009–2013, it is categorized as a general aviation facility.HistoryThe airport was opened in September 1942 as Porterville Army Airfield and was used by the United States Army Air Forces Fourth Air Force as a training base during World War II. It was a sub-base to Lemoore AAF, being used as a pilot training facility. Improvements to the site included a fueling system utilizing nine underground storage tanks. These tanks were filled and abandoned in place. Also located on site are ten fueling pits, which are presently unused. The field had the Air Echelon element from the Western Signal Aviation Unit Training Center at Camp Pinedale.At the end of the war the airfield was determined to be excess by the military and turned over to the local government for civil use. The War Assets Administration disposed of the property between 1948 and 1953. In 1948, 835acre were returned to Porterville. The remaining land was sold to the Tulare County Housing Authority.