Airports 501 to 550
Sterling Airport
Merrill-Ronne Airport / Matamoras Municipal Airport
Marine Helicopter Squadron 361 Heliport
Thomson Industries Inc Heliport
Port Washington, New York, United States — 137 km (74 nm) SSW
Fitchburg Paper Company Heliport
Fitchburg, Massachusetts, United States — 137 km (74 nm) ENE
Atlantic Air 3 Helipad Vernon Post
Vernon Township, New Jersey, United States — 138 km (74 nm) SW
Jaffrey Airfield Silver Ranch Airport
Graphic Scanning Corporation Heliport
West Englewood, New Jersey, United States — 139 km (75 nm) SSW