File Description: New Castle Municipal Airport (ICAO: KUCP, FAA LID: UCP) is a small municipal airport located in Union Township, Lawrence County, Pennsylvania serving Lawrence County, Pennsylvania. Union Township is an outskirt of New Castle, Pennsylvania hence the name. The airport is located four nautical miles (7 km) northwest of the central business district of New Castle. The airport is a public-owned airport and is controlled by the Lawrence County Airport Authority. Tested in both FS9 default and Ultimate Terrain and found to be compatible in both. By John B. Loney, Jr.