| Aeroporto Internacional O’Hare (205 m, Illinois) |
7 Bft |
| Aeroporto Municipal de Platteville (312 m, Wisconsin) |
7 Bft |
| Aeroporto do Central de Wisconsin (389 m, Wisconsin) |
6 Bft |
| Akhiok Aeroporto (13 m, Alasca) |
7 Bft |
| Boulder Municipal Airport (1612 m, Colorado) |
6 Bft |
| Burlington Municipal Airport (237 m, Wisconsin) |
7 Bft |
| Canadian Aeroporto (730 m, Texas) |
7 Bft |
| Colby Municipal Airport (971 m, Kansas) |
7 Bft |
| Crystal Airport (265 m, Minnesota) |
6 Bft |
| Darke County Airport (307 m, Ohio) |
6 Bft |
| Dayton Intl. Airport (306 m, Ohio) |
9 Bft |
| DeKalb Aeroporto (279 m, Illinois) |
8 Bft |
| DuPage Airport (231 m, Illinois) |
7 Bft |
| Dubois Aeroporto (2224 m, Wyoming) |
7 Bft |
| Eastern Iowa Airport (256 m, Iowa) |
8 Bft |
| Flora (144 m, Illinois) |
7 Bft |
| Fond du Lac (246 m, Wisconsin) |
6 Bft |
| Fulton County Airport (241 m, Indiana) |
7 Bft |
| Huntington Aeroporto (246 m, Indiana) |
6 Bft |
| Illinois Valley Regional Airport (199 m, Illinois) |
6 Bft |
| Independence Municipal Airport (298 m, Iowa) |
7 Bft |
| Jackson Hole Airport (1964 m, Wyoming) |
6 Bft |
| Jacksonville Aeroporto (190 m, Illinois) |
6 Bft |
| Kenosha Regional Airport (226 m, Wisconsin) |
8 Bft |
| Keokuk Municipal Airport (205 m, Iowa) |
7 Bft |
| Logansport Aeroporto (225 m, Indiana) |
7 Bft |
| Mankato Regional Airport (311 m, Minnesota) |
7 Bft |
| Marion Aeroporto (262 m, Indiana) |
7 Bft |
| Marion Municipal Airport (303 m, Ohio) |
11 Bft |
| Marshfield Municipal Airport (389 m, Wisconsin) |
7 Bft |
| Mason (363 m, Iowa) |
7 Bft |
| Middleton Muni - Morey Field (283 m, Wisconsin) |
7 Bft |
| Monticello Regional Airport (259 m, Iowa) |
6 Bft |
| Mount Pleasant Municipal Airport (224 m, Iowa) |
6 Bft |
| Muscatine Municipal Airport (167 m, Iowa) |
6 Bft |
| Northeast Iowa Regional Airport (343 m, Iowa) |
7 Bft |
| Oelwen (328 m, Iowa) |
7 Bft |
| Olney-Noble (147 m, Illinois) |
6 Bft |
| Oskaloosa Aeroporto (256 m, Iowa) |
6 Bft |
| Pampa (989 m, Texas) |
6 Bft |
| Pontiac Aeroporto (201 m, Illinois) |
7 Bft |
| Ralph Wenz Field (2160 m, Wyoming) |
7 Bft |
| Rantoul National Aviation Center (225 m, Illinois) |
7 Bft |
| Ross Aeroporto (221 m, Ohio) |
7 Bft |
| Sault Ste. Marie Municipal Airport (218 m, Michigan) |
6 Bft |
| St. Cloud Regional Airport (312 m, Minnesota) |
6 Bft |
| Warsaw Municipal Airport (259 m, Indiana) |
6 Bft |
| Washington (230 m, Iowa) |
6 Bft |
| Watertown Municipal Airport (254 m, Wisconsin) |
6 Bft |
| Waupaca Municipal Airport (252 m, Wisconsin) |
7 Bft |
| Webster City (342 m, Iowa) |
6 Bft |
norte - sul