John Murtha Johnstown–Cambria County Airport (IATA: JST, ICAO: KJST, FAA LID: JST) is a civil-military airport three miles (5 km) northeast of Johnstown, in Cambria County, Pennsylvania. It is owned by Johnstown–Cambria County Airport Authority and is named after the late Congressman John Murtha. It sees one airline, subsidized by the Essential Air Service. The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a non-primary commercial service airport (between 2,500 and 10,000 enplanements per year).