Concord Airport

Concord Municipal Airport (IATA: CON) is a public-use airport located two miles (3 km) east of the central business district of Concord, a city in Merrimack County, New Hampshire, United States. This general aviation airport is publicly owned by the City of Concord. There was once scheduled airline service at the airport on Northeast Airlines.

The above mentioned information is taken from: http://en.wikipedia.org/wiki/Concord_Municipal_Airport.