Airports 401 to 450
Clinton County Airport
Northeast Kingdom International Airport
Smiths Falls (Community Hospital) Heliport
Potsdam Municipal Airport Damon Field
Plattsburgh International Airport
Adirondack Airpark Estates Airport
Smiths Falls Private Airstrip
Rivière Bonnard Airport
Black Donald Lake Seaplane Base
Ogdensburg International Airport
Madawaska Valley Airpark
Seboomook Forestry District Headquarters Heliport
Barry's Bay (St. Francis Memorial Hospital) Heliport