| Abraham Lincoln Capital Airport (187 m, Illinois) |
6 Bft |
| Aeroporto Internacional Austin Straubel (209 m, Wisconsin) |
7 Bft |
| Aeroporto Internacional de Lansing (266 m, Michigan) |
7 Bft |
| Aeroporto Municipal de Platteville (312 m, Wisconsin) |
7 Bft |
| Aeroporto Regional de Wittman (246 m, Wisconsin) |
6 Bft |
| Aeroporto Regional do Condado de Eagle (1993 m, Colorado) |
6 Bft |
| Aeroporto Regional do Condado de Outagamie (280 m, Wisconsin) |
6 Bft |
| Aeroporto da capital (245 m, Kentucky) |
7 Bft |
| Aeroporto de Cleveland Burke Lakefront (178 m, Ohio) |
6 Bft |
| Akhiok Aeroporto (13 m, Alasca) |
7 Bft |
| Algona Municipal Airport (372 m, Iowa) |
6 Bft |
| Alliance Municipal Airport (1198 m, Nebraska) |
8 Bft |
| Anderson Municipal Airport (280 m, Indiana) |
6 Bft |
| Andrews Aeroporto (967 m, Texas) |
6 Bft |
| Angel Fire Aeroporto (2554 m, Novo México) |
6 Bft |
| Atka Airport (17 m, Alasca) |
7 Bft |
| Aurora Municipal Airport (215 m, Illinois) |
8 Bft |
| Austin Municipal Airport (375 m, Minnesota) |
7 Bft |
| Baker Municipal Airport (902 m, Montana) |
8 Bft |
| Beach Aeroporto (840 m, Dakota do Norte) |
7 Bft |
| Blanding Municipal Airport (1788 m, Utah) |
6 Bft |
| Bolton Field (280 m, Ohio) |
8 Bft |
| Bowman Field (167 m, Kentucky) |
6 Bft |
| Brookings Regional Airport (502 m, Dakota do Sul) |
6 Bft |
| Bryce Canyon Airport (2312 m, Utah) |
7 Bft |
| Buckhannon Aeroporto (498 m, Virgínia Ocidental) |
8 Bft |
| Buena Vista Aeroporto (2422 m, Colorado) |
6 Bft |
| Buffalo (881 m, Dakota do Sul) |
8 Bft |
| Burley Municipal Airport (1267 m, Idaho) |
7 Bft |
| Burlington Municipal Airport (237 m, Wisconsin) |
6 Bft |
| Canadian Aeroporto (730 m, Texas) |
7 Bft |
| Cando Aeroporto (450 m, Dakota do Norte) |
7 Bft |
| Canyonlands Regional Airport (1388 m, Utah) |
7 Bft |
| Carmi Aeroporto (118 m, Illinois) |
6 Bft |
| Central Illinois Regional Airport (267 m, Illinois) |
7 Bft |
| Chicago Executive Airport (197 m, Illinois) |
6 Bft |
| Chippewa (244 m, Michigan) |
8 Bft |
| Cincinnati Municipal Lunken Airport (147 m, Ohio) |
7 Bft |
| Clarence E. Page Municipal Airport (413 m, Oklahoma) |
6 Bft |
| Clarion Municipal Airport (354 m, Iowa) |
6 Bft |
| Clarksville Aeroporto (168 m, Tennessee) |
6 Bft |
| Clermont County Airport (257 m, Ohio) |
6 Bft |
| Clines Corner (2160 m, Novo México) |
8 Bft |
| Clinton Municipal Airport (216 m, Iowa) |
7 Bft |
| Clovis Municipal Airport (1284 m, Novo México) |
6 Bft |
| Colby Municipal Airport (971 m, Kansas) |
7 Bft |
| Coles (220 m, Illinois) |
8 Bft |
| Colorado Springs Airport (1881 m, Colorado) |
8 Bft |
| Columbus Municipal Airport (200 m, Indiana) |
7 Bft |
| Crawfordsville Regional Airport (244 m, Indiana) |
7 Bft |
| Crescent City (17 m, Califórnia) |
6 Bft |
| Crosby Aeroporto (594 m, Dakota do Norte) |
7 Bft |
| Crystal Airport (265 m, Minnesota) |
7 Bft |
| Cut Bank Aeroporto (1169 m, Montana) |
7 Bft |
| Darke County Airport (307 m, Ohio) |
6 Bft |
| Davenport Municipal Airport (259 m, Iowa) |
7 Bft |
| Dawson Community Airport (749 m, Montana) |
7 Bft |
| Dayton- Wright Brothers Airport (293 m, Ohio) |
7 Bft |
| DeKalb Aeroporto (279 m, Illinois) |
7 Bft |
| Defiance Memorial Airport (219 m, Ohio) |
6 Bft |
| Del Norte Aeroporto (2425 m, Colorado) |
6 Bft |
| Delaware (286 m, Indiana) |
8 Bft |
| Delaware Aeroporto (288 m, Ohio) |
7 Bft |
| Devils Lake Regional Airport (443 m, Dakota do Norte) |
7 Bft |
| Dickinson Theodore Roosevelt Regional Airport (787 m, Dakota do Norte) |
8 Bft |
| Dodge Center Airport (398 m, Minnesota) |
7 Bft |
| Dodge County Airport (285 m, Wisconsin) |
6 Bft |
| DuPage Airport (231 m, Illinois) |
8 Bft |
| Dubois Aeroporto (2224 m, Wyoming) |
7 Bft |
| Durango (2038 m, Colorado) |
6 Bft |
| Eagle Creek Airpark Airport (250 m, Indiana) |
7 Bft |
| Eastern Iowa Airport (256 m, Iowa) |
8 Bft |
| El Reno (432 m, Oklahoma) |
6 Bft |
| Enid Woodring Regional Airport (356 m, Oklahoma) |
6 Bft |
| Estherville Muni (401 m, Iowa) |
6 Bft |
| Fairfield County Airport (264 m, Ohio) |
6 Bft |
| Faith (787 m, Dakota do Sul) |
6 Bft |
| False Pass Airport (6 m, Alasca) |
6 Bft |
| Fleming-Mason Airport (278 m, Kentucky) |
6 Bft |
| Flora (144 m, Illinois) |
7 Bft |
| Flying Cloud Airport (276 m, Minnesota) |
6 Bft |
| Fond du Lac (246 m, Wisconsin) |
7 Bft |
| Forest City Aeroporto (375 m, Iowa) |
6 Bft |
| Fort Bridger Aeroporto (2145 m, Wyoming) |
8 Bft |
| Freeport Aeroporto (262 m, Illinois) |
6 Bft |
| Fulton County Airport (241 m, Indiana) |
7 Bft |
| Fulton County Airport (238 m, Ohio) |
6 Bft |
| Gage Airport (667 m, Oklahoma) |
8 Bft |
| Galesburg Municipal Airport (233 m, Illinois) |
7 Bft |
| Garden (878 m, Kansas) |
6 Bft |
| Garfield County Regional Airport (1691 m, Colorado) |
7 Bft |
| Garrison (587 m, Dakota do Norte) |
8 Bft |
| Gary Aeroporto (180 m, Indiana) |
7 Bft |
| Glen Ullin Aeroporto (634 m, Dakota do Norte) |
7 Bft |
| Glencoe Aeroporto (302 m, Minnesota) |
6 Bft |
| Gooding Aeroporto (1138 m, Idaho) |
7 Bft |
| Gordon K. Bush Airport (234 m, Ohio) |
6 Bft |
| Goshen Municipal Airport (252 m, Indiana) |
7 Bft |
| Gratiot Community Airport (230 m, Michigan) |
6 Bft |
| Great Bend Municipal Airport (575 m, Kansas) |
6 Bft |
| Gunnison (2339 m, Colorado) |
7 Bft |
| Guthrie Aeroporto (327 m, Oklahoma) |
6 Bft |
| Gwinner Aeroporto (386 m, Dakota do Norte) |
6 Bft |
| Harbor Beach(Ramos) (183 m, Michigan) |
7 Bft |
| Harriet Alexander Field (2293 m, Colorado) |
6 Bft |
| Hereford Aeroporto (1154 m, Texas) |
6 Bft |
| Hettinger Municipal Airport (824 m, Dakota do Norte) |
8 Bft |
| Hillsdale Municipal Airport (360 m, Michigan) |
6 Bft |
| Homer Airport (26 m, Alasca) |
7 Bft |
| Hot Springs (1153 m, Virgínia) |
7 Bft |
| Houlton Intl. Airport (150 m, Maine) |
6 Bft |
| Huntington Aeroporto (246 m, Indiana) |
7 Bft |
| Hutchinson (931 m, Texas) |
6 Bft |
| Hutchinson Municipal Airport (323 m, Minnesota) |
6 Bft |
| Igiugig Airport (27 m, Alasca) |
6 Bft |
| Iliamna Airport (49 m, Alasca) |
8 Bft |
| Illinois Valley Regional Airport (199 m, Illinois) |
7 Bft |
| Independence Municipal Airport (298 m, Iowa) |
7 Bft |
| Indianapolis Executive Airport (281 m, Indiana) |
6 Bft |
| Indianapolis Mount Comfort (263 m, Indiana) |
7 Bft |
| Iowa City Municipal Airport (198 m, Iowa) |
7 Bft |
| Iowa Falls Aeroporto (347 m, Iowa) |
6 Bft |
| Jackson (305 m, Michigan) |
6 Bft |
| Jamestown Regional Airport (454 m, Dakota do Norte) |
7 Bft |
| Jasper County Airport (213 m, Indiana) |
7 Bft |
| Jerome (1233 m, Idaho) |
8 Bft |
| John Glenn Columbus Intl. Airport (258 m, Ohio) |
7 Bft |
| John H. Batten Airport (205 m, Wisconsin) |
8 Bft |
| Joliet Regional Airport (177 m, Illinois) |
6 Bft |
| Jonesville Aeroporto (430 m, Virgínia) |
7 Bft |
| Jordan Airport (811 m, Montana) |
8 Bft |
| Kalamazoo/Battle Creek Intl. Airport (266 m, Michigan) |
6 Bft |
| Kemmerer Municipal Airport (2220 m, Wyoming) |
8 Bft |
| Kenai Aeroporto (29 m, Alasca) |
6 Bft |
| Kenosha Regional Airport (226 m, Wisconsin) |
8 Bft |
| Knox Aeroporto (209 m, Indiana) |
7 Bft |
| Knox County Airport (363 m, Ohio) |
6 Bft |
| Kodiak Airport (34 m, Alasca) |
7 Bft |
| Kokomo Municipal Airport (253 m, Indiana) |
7 Bft |
| Koliganek Aeroporto (82 m, Alasca) |
7 Bft |
| Kremmling Aeroporto (2229 m, Colorado) |
7 Bft |
| L. M. Clayton Airport (605 m, Montana) |
8 Bft |
| La Porte Municipal Airport (248 m, Indiana) |
6 Bft |
| Lacon Aeroporto (173 m, Illinois) |
6 Bft |
| Langdon Aeroporto (490 m, Dakota do Norte) |
8 Bft |
| Las Vegas Municipal Airport (2092 m, Novo México) |
7 Bft |
| Lawrence J. Timmerman Airport (224 m, Wisconsin) |
6 Bft |
| Lawrenceville- Vincennes Intl. Airport (131 m, Illinois) |
6 Bft |
| Lawton (338 m, Oklahoma) |
6 Bft |
| Lebanon-Springfield Airport (264 m, Kentucky) |
6 Bft |
| Lenawee County Airport (244 m, Michigan) |
6 Bft |
| Lewis University Airport (231 m, Illinois) |
7 Bft |
| Lewistown Municipal Airport (1263 m, Montana) |
7 Bft |
| Lima Allen (296 m, Ohio) |
7 Bft |
| Linton Aeroporto (542 m, Dakota do Norte) |
7 Bft |
| Litchfield Municipal Airport (210 m, Illinois) |
6 Bft |
| Logansport Aeroporto (225 m, Indiana) |
7 Bft |
| London Madison County Airport (330 m, Ohio) |
8 Bft |
| Luce (265 m, Michigan) |
7 Bft |
| Mackinac Island Airport (226 m, Michigan) |
6 Bft |
| Macomb Municipal Airport (216 m, Illinois) |
6 Bft |
| Magic Valley Regional Airport (1265 m, Idaho) |
9 Bft |
| Mammoth Yosemite Airport (2173 m, Califórnia) |
6 Bft |
| Mandan Aeroporto (593 m, Dakota do Norte) |
7 Bft |
| Manitowoc (198 m, Wisconsin) |
6 Bft |
| Manokotak Airport (16 m, Alasca) |
7 Bft |
| Marion Aeroporto (262 m, Indiana) |
7 Bft |
| Marshall Town Muni (296 m, Iowa) |
6 Bft |
| Marshfield Municipal Airport (389 m, Wisconsin) |
7 Bft |
| Mason (363 m, Iowa) |
7 Bft |
| Massena Intl. Airport (65 m, Nova Iorque) |
7 Bft |
| Meadow Lake Airport (2095 m, Colorado) |
6 Bft |
| Medicine Lodge (467 m, Kansas) |
7 Bft |
| Meeker (1948 m, Colorado) |
6 Bft |
| Mercer County Airport (871 m, Virgínia Ocidental) |
7 Bft |
| Mercer County Regional Airport (553 m, Dakota do Norte) |
7 Bft |
| Merrill Municipal Airport (401 m, Wisconsin) |
6 Bft |
| Michigan City Municipal Airport (200 m, Indiana) |
6 Bft |
| Mid-Ohio Valley Regional Airport (262 m, Virgínia Ocidental) |
6 Bft |
| Middleton Muni - Morey Field (283 m, Wisconsin) |
6 Bft |
| Miley Memorial Field Airport (2124 m, Wyoming) |
8 Bft |
| Mineral Point (359 m, Wisconsin) |
7 Bft |
| Minot Intl. Airport (522 m, Dakota do Norte) |
9 Bft |
| Mission Field (1418 m, Montana) |
6 Bft |
| Mobridge Aeroporto (508 m, Dakota do Sul) |
7 Bft |
| Monroe County Airport (258 m, Indiana) |
6 Bft |
| Monroe Municipal Airport (331 m, Wisconsin) |
7 Bft |
| Monticello Regional Airport (259 m, Iowa) |
7 Bft |
| Montrose Aeroporto (1755 m, Colorado) |
6 Bft |
| Morgantown Aeroporto (380 m, Virgínia Ocidental) |
6 Bft |
| Morris Aeroporto (178 m, Illinois) |
7 Bft |
| Mount Pleasant Municipal Airport (224 m, Iowa) |
6 Bft |
| Muscatine Municipal Airport (167 m, Iowa) |
6 Bft |
| Neil Armstrong Airport (278 m, Ohio) |
7 Bft |
| New Stuyahok Aeroporto (92 m, Alasca) |
8 Bft |
| Newark- Heath Airport (269 m, Ohio) |
7 Bft |
| Newton Municipal Airport (290 m, Iowa) |
6 Bft |
| North Central West Virginia Airport (367 m, Virgínia Ocidental) |
6 Bft |
| Northeast Iowa Regional Airport (343 m, Iowa) |
7 Bft |
| Odessa Aeroporto (902 m, Texas) |
6 Bft |
| Oelwen (328 m, Iowa) |
7 Bft |
| Owatonna (Awos) (350 m, Minnesota) |
6 Bft |
| Pampa (989 m, Texas) |
6 Bft |
| Park Rapids Municip (437 m, Minnesota) |
6 Bft |
| Ponca (304 m, Oklahoma) |
6 Bft |
| Pontiac Aeroporto (201 m, Illinois) |
7 Bft |
| Port Alsworth Aeroporto (81 m, Alasca) |
7 Bft |
| Porter (234 m, Indiana) |
7 Bft |
| Powell Aeroporto (1552 m, Wyoming) |
7 Bft |
| Pratt Regional Airport (595 m, Kansas) |
6 Bft |
| Price/Carbon (1799 m, Utah) |
7 Bft |
| Puntilla Lake (560 m, Alasca) |
7 Bft |
| Purdue University Airport (182 m, Indiana) |
8 Bft |
| Quincy Regional Airport (232 m, Illinois) |
6 Bft |
| Ralph Wenz Field (2160 m, Wyoming) |
6 Bft |
| Rantoul National Aviation Center (225 m, Illinois) |
7 Bft |
| Raton Municipal Airport (1935 m, Novo México) |
6 Bft |
| Redwood Falls Muni (312 m, Minnesota) |
6 Bft |
| Richlands Aeroporto (808 m, Virgínia) |
7 Bft |
| Rickenbacker Intl. Airport (227 m, Ohio) |
8 Bft |
| Rochelle Municipal Airport (238 m, Illinois) |
7 Bft |
| Rock Falls Aeroporto (197 m, Illinois) |
7 Bft |
| Rolla Aeroporto (556 m, Dakota do Norte) |
8 Bft |
| Ross Aeroporto (221 m, Ohio) |
6 Bft |
| Santa Fe Regional Airport (1933 m, Novo México) |
8 Bft |
| Shelbyville Municipal Airport (245 m, Indiana) |
7 Bft |
| Sidney- Richland Municipal Airport (605 m, Montana) |
7 Bft |
| Sisseton Aeroporto (354 m, Dakota do Sul) |
6 Bft |
| South Big Horn Co Arpt (1201 m, Wyoming) |
7 Bft |
| Southwest Michigan Regional Airport (196 m, Michigan) |
6 Bft |
| Southwest Oregon Regional Airport (1 m, Oregon) |
6 Bft |
| Southwest Wyoming Regional Airport (2060 m, Wyoming) |
7 Bft |
| Spencer Aeroporto (408 m, Iowa) |
6 Bft |
| St. Clair (198 m, Michigan) |
6 Bft |
| St. George Island Airport (38 m, Alasca) |
9 Bft |
| St. Louis Regional Airport (166 m, Illinois) |
6 Bft |
| St. Paul (9 m, Alasca) |
9 Bft |
| Stanton Airfield (280 m, Minnesota) |
6 Bft |
| Stevens Field (2334 m, Colorado) |
6 Bft |
| Taos Aeroporto (2161 m, Novo México) |
6 Bft |
| Thomas P. Stafford Airport (489 m, Oklahoma) |
6 Bft |
| Tioga Aeroporto (684 m, Dakota do Norte) |
7 Bft |
| Tri-County Regional Airport (219 m, Wisconsin) |
6 Bft |
| Tri-State Steuben County Airport (303 m, Indiana) |
7 Bft |
| Tucumcari Municipal Airport (1234 m, Novo México) |
8 Bft |
| University of Illinois Willard Airport (230 m, Illinois) |
7 Bft |
| Vermilion Regional Airport (212 m, Illinois) |
7 Bft |
| Vernal Regional Airport (1608 m, Utah) |
7 Bft |
| Vinton Aeroporto (258 m, Iowa) |
6 Bft |
| Waseca Municipal Airport (343 m, Minnesota) |
7 Bft |
| Washington (230 m, Iowa) |
6 Bft |
| Watertown Municipal Airport (254 m, Wisconsin) |
6 Bft |
| Watford City Aeroporto (643 m, Dakota do Norte) |
8 Bft |
| Waukegan National Airport (222 m, Illinois) |
6 Bft |
| Waukesha (284 m, Wisconsin) |
7 Bft |
| Waupaca Municipal Airport (252 m, Wisconsin) |
7 Bft |
| Wausau Downtown Airport (365 m, Wisconsin) |
6 Bft |
| Webster City (342 m, Iowa) |
6 Bft |
| West Bend Municipal Airport (270 m, Wisconsin) |
6 Bft |
| West Michigan Regional Airport (210 m, Michigan) |
7 Bft |
| West Woodward Airport (667 m, Oklahoma) |
6 Bft |
| Wiley Post Airport (396 m, Oklahoma) |
7 Bft |
| Wilmington Aeroporto (326 m, Pensilvânia) |
8 Bft |
| Winkler Aeroporto (855 m, Texas) |
6 Bft |
| Zanesville Municipal Airport (274 m, Ohio) |
7 Bft |
norte - sul