Airports: United States

4AR1 Shurley Field Airport · Cabot 4AR2 Red Oak Airport · Cabot 4AR5 Lawrence Field · Cherry Valley 4AR7 Worth James Ranch Airport · Booneville 4AZ2 Block Ranch Airport · Capitan 4AZ6 Parsons Field · Kingman 4AZ8 The Ultralight Strip Ultralightport · Marana 4AZ9 Leroy Airport · Willcox 4B0 South Albany Airport · South Bethlehem 4B1 Duanesburg Airport · Duanesburg 4B9 Simsbury Airport · Simsbury 4C1 Flying U Ranch Airport · Union Mills 4C2 Walker/Rowe Waterloo Airport · Waterloo 4C4 Gifford Field · Colebrook 4C7 Ackley Municipal Airport · Ackley 4CA2 Funny Farm Airport · Brentwood 4CA7 Johnsen Airport · Chico 4CL3 Antelope Valley Ranch Airport · Williams 4CL4 Rabbit Ranch Airport · Lucerne Valley 4CO0 Glen-Aspen Airport · Carbondale 4CO2 Owl Canyon Gliderport · Wellington 4CO3 Griffin Field · Walsh 4CO7 Ambrosich Field · Elbert 4CO8 Kelgun Airport · Castle Rock 4D8 Fuller Airport · Milford 4D9 Alma Municipal Airport · Alma 4E8 Richardton Airport · Richardton 4F1 Westport Airport / Keystone Airpark · Westport 4FA2 Croom A Chobee Airport · Bushnell 4FD3 The Wright Place Airport · Homestead 4FD7 Flanders Field · Polk City 4FL0 Turkey Scratch Plantation Airport · Lamont 4FL1 Escape Ranch Airport · Kenansville 4FL3 Fellsmere Airport · Fellsmere 4FL5 Ridge Landing Airport · Frostproof 4FL8 Schwartz Farms Inc Airport · Sarasota 4FL9 Gore Airport · Haines City 4G1 Greenville Municipal Airport · Greenville 4G2 Hamburg Inc Airport · Hamburg 4G3 Miller Airport · North Benton 4G7 Fairmont Municipal Airport Frankman Field · Fairmont 4GA1 Thacker Field · Concord 4GA4 R.M. Harris Airport · Eton 4GA6 Chattahoochee Air Park · Douglasville 4GA7 Kitchens Field · Griffin 4GA8 Andrews Airport · Arlington 4GA9 Ebeneezer Airport · Cumming 4GE0 Millhaven Airport · Millhaven 4GE1 Viola Farm Airport · Attapulgus 4GE3 Whitehall Airport · Montrose