Heritage Field is a public use airport in Montgomery County, Pennsylvania, United States. It is located three nautical miles east of Pottstown, in Limerick Township. The airport is privately owned by Limerick Aviation LP. Previously known as Pottstown Limerick Airport, the airport was sold in 2009 by its former owner, the Exelon Generation Company, which also owns the nearby Limerick Nuclear Power Plant. It is now referred as Heritage Field on the local UNICOM.