| Abraham Lincoln Capital Airport (187 m, Illinois) |
7 Bft |
| Aeroporto Internacional John F. Kennedy (7 m, Nova Iorque) |
7 Bft |
| Aeroporto Internacional de Des Moines (294 m, Iowa) |
6 Bft |
| Aeroporto Internacional de Kelowna (456 m, Colúmbia Britânica) |
7 Bft |
| Aeroporto Internacional de Minneapolis-Saint Paul (255 m, Minnesota) |
7 Bft |
| Aeroporto Internacional de St. Pete-Clearwater (3 m, Flórida) |
6 Bft |
| Aeroporto Internacional de Tampa (3 m, Flórida) |
6 Bft |
| Aeroporto Regional de Wittman (246 m, Wisconsin) |
7 Bft |
| Aeroporto Regional do Condado de Outagamie (280 m, Wisconsin) |
6 Bft |
| Aeroporto de Teterboro (3 m, Nova Jersey) |
6 Bft |
| Aeroporto do Central de Wisconsin (389 m, Wisconsin) |
6 Bft |
| Airlake Airport (293 m, Minnesota) |
7 Bft |
| Albert Lea Municipal Airport (383 m, Minnesota) |
6 Bft |
| Algona Municipal Airport (372 m, Iowa) |
6 Bft |
| Ames Aeroporto (291 m, Iowa) |
7 Bft |
| Ankeny Regional Airport (275 m, Iowa) |
6 Bft |
| Apalachicola Aeroporto (6 m, Flórida) |
8 Bft |
| Arnold Palmer Regional Airport (361 m, Pensilvânia) |
8 Bft |
| Arthur N. Neu Airport (375 m, Iowa) |
6 Bft |
| Atlantic City Aeroporto (20 m, Nova Jersey) |
6 Bft |
| Audubon County Airport (392 m, Iowa) |
6 Bft |
| Boone Aeroporto (354 m, Iowa) |
7 Bft |
| Bowers Airport (527 m, Washington) |
9 Bft |
| Bradford Aeroporto (653 m, Pensilvânia) |
7 Bft |
| Buckland Airport (9 m, Alasca) |
7 Bft |
| Buffalo Aeroporto (295 m, Minnesota) |
6 Bft |
| Cabo Race (27 m, Terra Nova) |
6 Bft |
| Camp Mackall (115 m, Carolina do Norte) |
7 Bft |
| Cape Romanzof LRRS Airport (123 m, Alasca) |
8 Bft |
| Caribou (187 m, Ontário) |
9 Bft |
| Charles B. Wheeler Downtown Airport (226 m, Missouri) |
6 Bft |
| Charleston Intl. Airport (15 m, Carolina do Sul) |
6 Bft |
| Chautauqua (525 m, Nova Iorque) |
7 Bft |
| Chautauqua (211 m, Nova Iorque) |
8 Bft |
| Cheboygan Aeroporto (195 m, Michigan) |
7 Bft |
| Chippewa (244 m, Michigan) |
6 Bft |
| Claresholm (1012 m, Alberta) |
7 Bft |
| Clarinda (303 m, Iowa) |
6 Bft |
| Clarion Municipal Airport (354 m, Iowa) |
7 Bft |
| Cloquet Carlton (390 m, Minnesota) |
6 Bft |
| Colonel James Jabara Airport (433 m, Kansas) |
6 Bft |
| Columbus Municipal Airport (440 m, Nebraska) |
6 Bft |
| Copper Harbor Ramos (186 m, Michigan) |
9 Bft |
| Council Bluffs Aeroporto (382 m, Iowa) |
6 Bft |
| Craig Field / Selma (51 m, Alabama) |
6 Bft |
| Creston (394 m, Iowa) |
7 Bft |
| Crowsnest (1303 m, Alberta) |
6 Bft |
| Crystal Airport (265 m, Minnesota) |
7 Bft |
| Cumberland Municipal Airport (378 m, Wisconsin) |
6 Bft |
| Decatur (43 m, Geórgia) |
6 Bft |
| Decatur Airport (208 m, Illinois) |
6 Bft |
| Decorah Aeroporto (353 m, Iowa) |
6 Bft |
| Delta County Airport (187 m, Michigan) |
6 Bft |
| Distrito Municipal de Muskoka (281 m, Ontário) |
6 Bft |
| Dodge Center Airport (398 m, Minnesota) |
7 Bft |
| Dover Base Housing (9 m, Delaware) |
6 Bft |
| DuBois Aeroporto (554 m, Pensilvânia) |
7 Bft |
| Duluth Aeroporto (432 m, Minnesota) |
7 Bft |
| Eastern Oregon Regional Airport (456 m, Oregon) |
6 Bft |
| Egbert CS (251 m, Ontário) |
6 Bft |
| Englehart Airport (243 m, Ontário) |
6 Bft |
| Estherville Muni (401 m, Iowa) |
8 Bft |
| Fairmont Municipal Airport (354 m, Minnesota) |
7 Bft |
| Fillmore County Airport (389 m, Minnesota) |
7 Bft |
| Findlay Airport (247 m, Ohio) |
6 Bft |
| Florence Aeroporto (44 m, Carolina do Sul) |
8 Bft |
| Flying Cloud Airport (276 m, Minnesota) |
6 Bft |
| Fond du Lac (246 m, Wisconsin) |
6 Bft |
| Ford Airport (360 m, Michigan) |
7 Bft |
| Forest City Aeroporto (375 m, Iowa) |
6 Bft |
| Fremont Aeroporto (379 m, Nebraska) |
6 Bft |
| Gander Aeroporto (151 m, Terra Nova) |
6 Bft |
| Glencoe Aeroporto (302 m, Minnesota) |
6 Bft |
| Gogebic- Iron County Airport (375 m, Michigan) |
7 Bft |
| Golovin Airport (8 m, Alasca) |
8 Bft |
| Grand Marais (186 m, Minnesota) |
6 Bft |
| Grand Strand Airport (10 m, Carolina do Sul) |
7 Bft |
| Greater Binghamton Airport (497 m, Nova Iorque) |
6 Bft |
| Greater Sudbury (190 m, Ontário) |
7 Bft |
| Griffiss Intl. Airport (154 m, Nova Iorque) |
7 Bft |
| Grinnell Aeroporto (307 m, Iowa) |
6 Bft |
| Harlan Aeroporto (375 m, Iowa) |
6 Bft |
| Harriman-and-West Airport (201 m, Massachusetts) |
6 Bft |
| Houghton (327 m, Michigan) |
8 Bft |
| Hutchinson Municipal Airport (462 m, Kansas) |
6 Bft |
| Hutchinson Municipal Airport (323 m, Minnesota) |
6 Bft |
| Independence Municipal Airport (298 m, Iowa) |
8 Bft |
| Inukjuak (25 m, Quebec) |
6 Bft |
| Iowa City Municipal Airport (198 m, Iowa) |
6 Bft |
| Iowa Falls Aeroporto (347 m, Iowa) |
7 Bft |
| Jackson Municipal Airport (441 m, Minnesota) |
6 Bft |
| Jacksonville Aeroporto (190 m, Illinois) |
7 Bft |
| John F. Kennedy Memorial Airport (251 m, Wisconsin) |
7 Bft |
| Kings Land o' Lakes Airport (520 m, Wisconsin) |
6 Bft |
| Kivalina Aeroporto (3 m, Alasca) |
7 Bft |
| Lagoon City (221 m, Ontário) |
7 Bft |
| Lakefront Airport (3 m, Luisiana) |
7 Bft |
| Lakeland Airport (496 m, Wisconsin) |
7 Bft |
| Lamoni (342 m, Iowa) |
6 Bft |
| Langlade (464 m, Wisconsin) |
7 Bft |
| Lawrence Regional Airport (254 m, Kansas) |
7 Bft |
| Lee's Summit Municipal Airport (306 m, Missouri) |
6 Bft |
| Lincoln Airport (362 m, Nebraska) |
6 Bft |
| Mac Crenshaw Memorial Airport (138 m, Alabama) |
6 Bft |
| Mackinac Island Airport (226 m, Michigan) |
7 Bft |
| Manitowoc (198 m, Wisconsin) |
6 Bft |
| Mankato Regional Airport (311 m, Minnesota) |
6 Bft |
| Marine Corps Air Station Kaneohe Bay Airport (3 m, Havaí) |
6 Bft |
| Marshall Don Hunter Sr. Airport (31 m, Alasca) |
8 Bft |
| Marshall Town Muni (296 m, Iowa) |
7 Bft |
| Marshfield Municipal Airport (389 m, Wisconsin) |
7 Bft |
| Martha's Vineyard Airport (21 m, Massachusetts) |
6 Bft |
| Mary's Harbour Aeroporto (12 m, Terra Nova) |
6 Bft |
| Mary’s Harbour (11 m, Terra Nova) |
6 Bft |
| McConnell Air Force Base (413 m, Kansas) |
7 Bft |
| McGregor Aeroporto (374 m, Minnesota) |
6 Bft |
| McGuire AFB (41 m, Nova Jersey) |
6 Bft |
| McHenry Aeroporto (894 m, Maryland) |
7 Bft |
| Menominee Aeroporto (191 m, Michigan) |
6 Bft |
| Menomonie Municipal Airport (273 m, Wisconsin) |
6 Bft |
| Merrill Municipal Airport (401 m, Wisconsin) |
7 Bft |
| Milk River (1050 m, Alberta) |
7 Bft |
| Mission Field (1418 m, Montana) |
8 Bft |
| Monticello Regional Airport (259 m, Iowa) |
7 Bft |
| Moore County Airport (141 m, Carolina do Norte) |
7 Bft |
| Mountain Village Airport (103 m, Alasca) |
7 Bft |
| Muscatine Municipal Airport (167 m, Iowa) |
6 Bft |
| Naval Air Station Meridian (91 m, Luisiana) |
6 Bft |
| New Richmond Regional Airport (304 m, Wisconsin) |
6 Bft |
| New Ulm Municipal Airport (308 m, Minnesota) |
6 Bft |
| Newton Municipal Airport (290 m, Iowa) |
8 Bft |
| Nome Aeroporto (6 m, Alasca) |
7 Bft |
| Norfolk Regional Airport (473 m, Nebraska) |
6 Bft |
| North Bay (370 m, Ontário) |
7 Bft |
| Northeast Iowa Regional Airport (343 m, Iowa) |
8 Bft |
| Oelwen (328 m, Iowa) |
8 Bft |
| Offutt AFB (319 m, Nebraska) |
6 Bft |
| Omaha/Eppley Field Airport (299 m, Nebraska) |
7 Bft |
| Oshawa (140 m, Ontário) |
8 Bft |
| Ottumwa Regional Airport (256 m, Iowa) |
6 Bft |
| Owatonna (Awos) (350 m, Minnesota) |
6 Bft |
| Pella Airport (270 m, Iowa) |
6 Bft |
| Pellston Regional Airport (217 m, Michigan) |
6 Bft |
| Perry Municipal Airport (309 m, Iowa) |
7 Bft |
| Philip Billard Municipal Airport (269 m, Kansas) |
8 Bft |
| Point Hope Airport (4 m, Alasca) |
7 Bft |
| Prattville- Grouby Field (69 m, Alabama) |
7 Bft |
| Quad Cities Intl. Airport (181 m, Illinois) |
6 Bft |
| Quincy Regional Airport (232 m, Illinois) |
7 Bft |
| Ralph Wien Memorial Airport (5 m, Alasca) |
8 Bft |
| Redwood Falls Muni (312 m, Minnesota) |
6 Bft |
| Rice Lake Regional Airport (347 m, Wisconsin) |
6 Bft |
| Rochester Intl. Airport (402 m, Minnesota) |
7 Bft |
| Rutland- Southern Vermont Regional Airport (240 m, Vermont) |
7 Bft |
| Saint John's Airport (135 m, Terra Nova) |
8 Bft |
| Sarasota (9 m, Flórida) |
7 Bft |
| Sault Ste Marie (192 m, Ontário) |
7 Bft |
| Sault Ste. Marie Municipal Airport (218 m, Michigan) |
6 Bft |
| Sawyer County Airport (370 m, Wisconsin) |
6 Bft |
| Sawyer Intl. Airport (372 m, Michigan) |
8 Bft |
| Sedalia Regional Airport (277 m, Missouri) |
7 Bft |
| Selfridge Air National Guard Base (177 m, Michigan) |
6 Bft |
| Shawano Municipal Airport (248 m, Wisconsin) |
6 Bft |
| Sheboygan (228 m, Wisconsin) |
7 Bft |
| Shelby (178 m, Alabama) |
6 Bft |
| Sheringham (21 m, Colúmbia Britânica) |
7 Bft |
| Shishmaref Aeroporto (2 m, Alasca) |
7 Bft |
| Shungnak Aeroporto (60 m, Alasca) |
7 Bft |
| Sioux Gateway Airport (336 m, Iowa) |
7 Bft |
| Sisseton Aeroporto (354 m, Dakota do Sul) |
6 Bft |
| South Jersey Regional Airport (16 m, Nova Jersey) |
6 Bft |
| South Wood County Airport (308 m, Wisconsin) |
6 Bft |
| Southeast Iowa Regional Airport (210 m, Iowa) |
6 Bft |
| St James Muni Arpt (325 m, Minnesota) |
6 Bft |
| St. Louis Regional Airport (166 m, Illinois) |
7 Bft |
| St. Paul Downtown Airport (219 m, Minnesota) |
6 Bft |
| Stanton Airfield (280 m, Minnesota) |
6 Bft |
| Stevens Point Aeroporto (338 m, Wisconsin) |
6 Bft |
| Storm Hills (261 m, Territórios do Noroeste) |
8 Bft |
| Sudbury Airport (348 m, Ontário) |
7 Bft |
| Sumter Aeroporto (56 m, Carolina do Sul) |
6 Bft |
| Tekamah (Asos) (312 m, Nebraska) |
6 Bft |
| Terre Haute Regional Airport (175 m, Indiana) |
7 Bft |
| Thomasville Regional Airport (80 m, Geórgia) |
7 Bft |
| Tin City LRRS Airport (83 m, Alasca) |
8 Bft |
| Topeka Regional Airport (325 m, Kansas) |
7 Bft |
| Toronto Islands Aeroporto (77 m, Ontário) |
8 Bft |
| Tracy Municipal Airport (408 m, Minnesota) |
6 Bft |
| Twillingate (AUT) (92 m, Terra Nova) |
8 Bft |
| Viroqua Aeroporto (394 m, Wisconsin) |
7 Bft |
| Wahoo Municipal Airport (373 m, Nebraska) |
7 Bft |
| Waseca Municipal Airport (343 m, Minnesota) |
6 Bft |
| Washington (230 m, Iowa) |
7 Bft |
| Waterloo Regional Airport (268 m, Iowa) |
8 Bft |
| Wausau Downtown Airport (365 m, Wisconsin) |
8 Bft |
| Wawa (287 m, Ontário) |
6 Bft |
| Webster City (342 m, Iowa) |
7 Bft |
| Wellsville Municipal Airport (646 m, Nova Iorque) |
7 Bft |
| Westchester (121 m, Nova Iorque) |
6 Bft |
| William H. Morse State Airport (252 m, Vermont) |
7 Bft |
| Wilmington Intl. Airport (10 m, Carolina do Norte) |
6 Bft |
| Windom (410 m, Minnesota) |
7 Bft |
| Worthington (480 m, Minnesota) |
6 Bft |
norte - sul