Potsdam Municipal Airport, also known as Damon Field, is a village owned, public use airport located two nautical miles (4 km) east of Potsdam, a village in the Town of Potsdam, St. Lawrence County, New York, United States. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned PTD by the FAA but has no designation from the IATA (which assigned PTD to Port Alexander Seaplane Base in Port Alexander, Alaska).Facilities and aircraftPotsdam Municipal Airport covers an area of 168 acres (68 ha) at an elevation of 474 feet (144 m) above mean sea level. It has one runway designated 6/24 with an asphalt surface measuring 3,705 by 60 feet (1,129 x 18 m).