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, part of the Pittsburgh metropolitan area.

The airport is located four nautical miles (7 km) northwest of the central business district of New Castle.

[1][2][3] New Castle Municipal Airport covers an area of 320 acres (130 ha) at an elevation of 1,070 feet (326 m) above mean sea level.

For the 12-month period ending February 28, 2009, the airport had 35,357 aircraft operations, an average of 96 per day: 97% general aviation, 3% air taxi and <1% military.

At that time there were 58 aircraft based at this airport: 96% single-engine, 2% multi-engine and 2% helicopter.