| Aberdeen Airport (397 m, South Dakota) |
6 Bft |
| Ada Airport (310 m, Oklahoma) |
8 Bft |
| Addison Airport (196 m, Texas) |
6 Bft |
| Airlake Airport (293 m, Minnesota) |
5 Bft |
| Aitkin Airport (367 m, Minnesota) |
5 Bft |
| Albert Lea Airport (383 m, Minnesota) |
7 Bft |
| Albion Airport (550 m, Nebraska) |
6 Bft |
| Alert (65 m, Nunavut) |
5 Bft |
| Alexandria Airport (432 m, Minnesota) |
7 Bft |
| Algona Airport (372 m, Iowa) |
7 Bft |
| Alice Intl. Airport (52 m, Texas) |
5 Bft |
| Ames Airport (291 m, Iowa) |
7 Bft |
| Ankeny Regional Airport (275 m, Iowa) |
6 Bft |
| Anoka (278 m, Minnesota) |
5 Bft |
| Appleton Airport (310 m, Wisconsin) |
6 Bft |
| Aransas (8 m, Texas) |
5 Bft |
| Ardmore Airport (232 m, Oklahoma) |
6 Bft |
| Arlington Airport (192 m, Texas) |
6 Bft |
| Athens Airport (135 m, Texas) |
5 Bft |
| Atka Airport (17 m, Alaska) |
8 Bft |
| Atlantic Airport (360 m, Iowa) |
5 Bft |
| Audubon County Airport (392 m, Iowa) |
5 Bft |
| Austin (189 m, Texas) |
5 Bft |
| Austin Airport (375 m, Minnesota) |
6 Bft |
| Austin Executive Airport (188 m, Texas) |
5 Bft |
| Baker Lake Airport (18 m, Nunavut) |
5 Bft |
| Barnes Airport (427 m, North Dakota) |
6 Bft |
| Barstow-Daggett Airport (587 m, California) |
9 Bft |
| Bartlesville Airport (218 m, Oklahoma) |
6 Bft |
| Beatrice Municipal (403 m, Nebraska) |
5 Bft |
| Beeville Airport (82 m, Texas) |
5 Bft |
| Bemidji Regional Airport (420 m, Minnesota) |
5 Bft |
| Benson Airport (317 m, Minnesota) |
6 Bft |
| Bentonville Airport (395 m, Arkansas) |
5 Bft |
| Blackwell Airport (314 m, Oklahoma) |
7 Bft |
| Blair Airport (404 m, Nebraska) |
5 Bft |
| Blosser Airport (452 m, Kansas) |
6 Bft |
| Boerne Stage Field (422 m, Texas) |
5 Bft |
| Brainerd Lakes Regional Airport (374 m, Minnesota) |
5 Bft |
| Branson West Airport (411 m, Missouri) |
5 Bft |
| Bridgeport Airport (260 m, Texas) |
6 Bft |
| Brownsville/South Padre (8 m, Texas) |
6 Bft |
| Brownwood Regional Airport (422 m, Texas) |
5 Bft |
| Buffalo Airport (295 m, Minnesota) |
5 Bft |
| Burley Airport (1267 m, Idaho) |
6 Bft |
| Burnet Airport (391 m, Texas) |
6 Bft |
| Cambridge Airport (287 m, Minnesota) |
5 Bft |
| Cameron Airport (123 m, Texas) |
5 Bft |
| Cape Newenham LRRS Airport (165 m, Alaska) |
5 Bft |
| Cape Romanzof LRRS Airport (123 m, Alaska) |
6 Bft |
| Cavalier Airport (270 m, North Dakota) |
6 Bft |
| Center for Earth Resources Observations (482 m, South Dakota) |
5 Bft |
| Chan Gurney Airport (398 m, South Dakota) |
7 Bft |
| Chariton (320 m, Iowa) |
8 Bft |
| Charles B. Wheeler Downtown Airport (226 m, Missouri) |
5 Bft |
| Chetek Airport (322 m, Wisconsin) |
5 Bft |
| Cheyenne Regional Airport (1872 m, Wyoming) |
6 Bft |
| Chillicothe (234 m, Missouri) |
5 Bft |
| Churchill Falls (440 m, California) |
5 Bft |
| Churchill Falls Airport (435 m, Newfoundland) |
5 Bft |
| Claremore Regional Airport (221 m, Oklahoma) |
5 Bft |
| Clarinda (303 m, Iowa) |
5 Bft |
| Clarion Airport (354 m, Iowa) |
8 Bft |
| Clines Corner (2160 m, New Mexico) |
7 Bft |
| Coffeyville Airport (230 m, Kansas) |
7 Bft |
| Coles (220 m, Illinois) |
5 Bft |
| Collins Bay (492 m, Saskatchewan) |
6 Bft |
| Columbia Regional Airport (274 m, Missouri) |
5 Bft |
| Columbus Airport (440 m, Nebraska) |
6 Bft |
| Conroe Airport (75 m, Texas) |
5 Bft |
| Copper Harbor Ramos (186 m, Michigan) |
6 Bft |
| Corpus Christi Intl. Airport (15 m, Texas) |
6 Bft |
| Coulter Field Airport (112 m, Texas) |
5 Bft |
| Council Bluffs Airport (382 m, Iowa) |
6 Bft |
| Creston (394 m, Iowa) |
6 Bft |
| Crystal Airport (265 m, Minnesota) |
8 Bft |
| Cumberland Airport (378 m, Wisconsin) |
5 Bft |
| Cushing Airport (279 m, Oklahoma) |
5 Bft |
| Dallas Executive Airport (201 m, Texas) |
6 Bft |
| Dallas Fort Worth Intl. Airport (182 m, Texas) |
6 Bft |
| Dallas Love Field (148 m, Texas) |
5 Bft |
| Danville Regional Airport (174 m, Virginia) |
5 Bft |
| Dare (4 m, North Carolina) |
5 Bft |
| Davenport Airport (259 m, Iowa) |
6 Bft |
| David Wayne Hooks Memorial Airport (46 m, Texas) |
5 Bft |
| Davis Field (186 m, Oklahoma) |
5 Bft |
| Decatur Airport (319 m, Texas) |
5 Bft |
| Decorah Airport (353 m, Iowa) |
6 Bft |
| Denton Enterprise Airport (197 m, Texas) |
7 Bft |
| Des Moines Intl. Airport (294 m, Iowa) |
6 Bft |
| Detroit Lakes Airport (426 m, Minnesota) |
5 Bft |
| Devils Lake Regional Airport (443 m, North Dakota) |
5 Bft |
| Dodge Center Airport (398 m, Minnesota) |
6 Bft |
| Drake Field (381 m, Arkansas) |
5 Bft |
| Draughon- Miller Central Texas Regional Airport (208 m, Texas) |
5 Bft |
| Dryden Airport (413 m, Ontario) |
5 Bft |
| DuPage Airport (231 m, Illinois) |
5 Bft |
| Dubuque Regional Airport (329 m, Iowa) |
6 Bft |
| Durant Regional Airport (213 m, Oklahoma) |
6 Bft |
| Eagle Lake Airport (56 m, Texas) |
5 Bft |
| East Texas Regional Airport (124 m, Texas) |
5 Bft |
| Edwards (701 m, California) |
7 Bft |
| El Paso Intl. Airport (1194 m, Texas) |
5 Bft |
| Elbow (595 m, Saskatchewan) |
5 Bft |
| Elbow Lake (367 m, Minnesota) |
6 Bft |
| Elk City Regional Business Airport (610 m, Oklahoma) |
5 Bft |
| Ellington Field Joint Reserve Base (10 m, Texas) |
5 Bft |
| Emporia Airport (368 m, Kansas) |
6 Bft |
| Estherville Muni (401 m, Iowa) |
7 Bft |
| Fairfield Airport (244 m, Iowa) |
6 Bft |
| Fairmont Airport (354 m, Minnesota) |
6 Bft |
| Falls City/Brenner (300 m, Nebraska) |
6 Bft |
| Faribault Muni Awos (322 m, Minnesota) |
5 Bft |
| Fergus Falls Airport (361 m, Minnesota) |
6 Bft |
| Flying Cloud Airport (276 m, Minnesota) |
6 Bft |
| Forest City Airport (375 m, Iowa) |
7 Bft |
| Fort Chipewyan (232 m, Alberta) |
6 Bft |
| Fort Dodge Regional Airport (355 m, Iowa) |
5 Bft |
| Fort Madison (221 m, Iowa) |
6 Bft |
| Fort Smith Airport (205 m, Northwest Territories) |
5 Bft |
| Fort Worth Meacham Intl. Airport (216 m, Texas) |
6 Bft |
| Fosston (388 m, Minnesota) |
5 Bft |
| Gainesville Airport (256 m, Texas) |
6 Bft |
| Gander Airport (151 m, Newfoundland) |
5 Bft |
| Gary Airport (180 m, Indiana) |
5 Bft |
| General William J. Fox Airfield (712 m, California) |
7 Bft |
| George Bush Intercontinental Airport (33 m, Texas) |
5 Bft |
| George Island (223 m, Manitoba) |
6 Bft |
| Georgetown Airport (240 m, Texas) |
5 Bft |
| Glencoe Airport (302 m, Minnesota) |
6 Bft |
| Glenwood (Asos) (425 m, Minnesota) |
6 Bft |
| Gonzales Airport (108 m, Texas) |
5 Bft |
| Gooding Airport (1138 m, Idaho) |
6 Bft |
| Grafton Airport (251 m, North Dakota) |
7 Bft |
| Grand Forks Intl. Airport (255 m, North Dakota) |
6 Bft |
| Grand Prairie Airport (180 m, Texas) |
6 Bft |
| Granite Falls Airport (319 m, Minnesota) |
6 Bft |
| Grants Milan Mun. AP (1987 m, New Mexico) |
5 Bft |
| Grey Butte Field Airport (923 m, California) |
7 Bft |
| Grinnell Airport (307 m, Iowa) |
6 Bft |
| Grove Airport (254 m, Oklahoma) |
7 Bft |
| Gwinner Airport (386 m, North Dakota) |
7 Bft |
| Harriet Alexander Field (2293 m, Colorado) |
6 Bft |
| Harry Reid Intl. Airport (664 m, Nevada) |
6 Bft |
| Harry Stern Airport (295 m, North Dakota) |
7 Bft |
| Hector Intl. Airport (274 m, North Dakota) |
6 Bft |
| Hickory Regional Airport (348 m, North Carolina) |
5 Bft |
| Hillsboro Airport (209 m, Texas) |
5 Bft |
| Holman Island AP (36 m, Northwest Territories) |
5 Bft |
| Huntsville Regional Airport (111 m, Texas) |
6 Bft |
| Hutchinson (931 m, Texas) |
6 Bft |
| Hutchinson Airport (323 m, Minnesota) |
5 Bft |
| Imperial County AP (-17 m, California) |
7 Bft |
| Independence Airport (251 m, Kansas) |
7 Bft |
| Independence Airport (298 m, Iowa) |
6 Bft |
| Ingenika Point (680 m, British Columbia) |
5 Bft |
| Iowa City Airport (198 m, Iowa) |
5 Bft |
| Iowa Falls Airport (347 m, Iowa) |
6 Bft |
| Island Lake Airport (235 m, Manitoba) |
6 Bft |
| Jack Brooks Regional Airport (7 m, Texas) |
6 Bft |
| Jackson Airport (441 m, Minnesota) |
6 Bft |
| Jacksonville (206 m, Texas) |
5 Bft |
| Jacksonville Airport (190 m, Illinois) |
5 Bft |
| Jamestown Regional Airport (454 m, North Dakota) |
5 Bft |
| Johnson (334 m, Kansas) |
6 Bft |
| Joliet Regional Airport (177 m, Illinois) |
5 Bft |
| Joplin Regional Airport (297 m, Missouri) |
6 Bft |
| Kenora Airport (406 m, Ontario) |
5 Bft |
| Keokuk Airport (205 m, Iowa) |
6 Bft |
| Kerrville Airport (493 m, Texas) |
5 Bft |
| Killeen (283 m, Texas) |
5 Bft |
| Knoxville (283 m, Iowa) |
7 Bft |
| Komakuk Beach (13 m, Yukon) |
8 Bft |
| La Veta Pass (3114 m, Colorado) |
5 Bft |
| Lago Vista Airport (375 m, Texas) |
5 Bft |
| Lake Havasu City Airport (238 m, Arizona) |
5 Bft |
| Lamar Airport (1129 m, Colorado) |
6 Bft |
| Lamoni (342 m, Iowa) |
6 Bft |
| Lancaster Regional Airport (153 m, Texas) |
5 Bft |
| Langdon Airport (490 m, North Dakota) |
5 Bft |
| Las Vegas Airport (2092 m, New Mexico) |
6 Bft |
| Le Mars Airport (365 m, Iowa) |
7 Bft |
| Lee's Summit Airport (306 m, Missouri) |
5 Bft |
| Lewis University Airport (231 m, Illinois) |
5 Bft |
| Lincoln Airport (362 m, Nebraska) |
6 Bft |
| Linton Airport (542 m, North Dakota) |
5 Bft |
| Litchfield Airport (347 m, Minnesota) |
6 Bft |
| Little Falls/Morrison (342 m, Minnesota) |
5 Bft |
| Long Prairie Airport (394 m, Minnesota) |
5 Bft |
| Luverne Airport (436 m, Minnesota) |
7 Bft |
| Lynn Lake Airport (354 m, Manitoba) |
5 Bft |
| Macomb Airport (216 m, Illinois) |
5 Bft |
| Madison (330 m, Minnesota) |
5 Bft |
| Mahnomen Airport (379 m, Minnesota) |
5 Bft |
| Majors Airport (163 m, Texas) |
5 Bft |
| Mammoth Yosemite Airport (2173 m, California) |
5 Bft |
| Manhattan Regional Airport (322 m, Kansas) |
7 Bft |
| Mankato Regional Airport (311 m, Minnesota) |
6 Bft |
| Marshall Army Airfield (324 m, Kansas) |
7 Bft |
| Marshall Town Muni (296 m, Iowa) |
8 Bft |
| Marysville Airport (391 m, Kansas) |
5 Bft |
| Mason (363 m, Iowa) |
8 Bft |
| McAlester Regional Airport (231 m, Oklahoma) |
5 Bft |
| McAllen Miller Intl. Airport (33 m, Texas) |
5 Bft |
| McKinney National Airport (176 m, Texas) |
7 Bft |
| Medicine Lodge (467 m, Kansas) |
5 Bft |
| Mercer County Airport (871 m, West-Virginia) |
5 Bft |
| Mesquite Metro Airport (136 m, Texas) |
6 Bft |
| Mexia Limestone County Airport (166 m, Texas) |
5 Bft |
| Michael J. Smith Field (3 m, North Carolina) |
5 Bft |
| Midlothian Airport (217 m, Texas) |
5 Bft |
| Midway Intl. Airport (190 m, Illinois) |
5 Bft |
| Millard Airport (320 m, Nebraska) |
5 Bft |
| Mineral Wells Airport (296 m, Texas) |
7 Bft |
| Minneapolis (255 m, Minnesota) |
7 Bft |
| Mitchell Airport (397 m, South Dakota) |
7 Bft |
| Mojave Air and Space Port Airport (849 m, California) |
6 Bft |
| Molokai Airport (137 m, Hawaii) |
5 Bft |
| Monticello Regional Airport (259 m, Iowa) |
5 Bft |
| Moorhead Airport (280 m, Minnesota) |
5 Bft |
| Moriarty Airport (1889 m, New Mexico) |
5 Bft |
| Morris Airport (178 m, Illinois) |
5 Bft |
| Morris Airport (344 m, Minnesota) |
7 Bft |
| Mount Pleasant Airport (224 m, Iowa) |
5 Bft |
| Mount Washington Airport (1910 m, New Hampshire) |
6 Bft |
| Muscatine Airport (167 m, Iowa) |
5 Bft |
| Naval Air Facility El Centro (-13 m, California) |
6 Bft |
| Naval Air Station Corpus Christi (6 m, Texas) |
5 Bft |
| Naval Air Weapons Station China Lake (696 m, California) |
6 Bft |
| Naval Outlying Landing Field San Nicolas (174 m, California) |
7 Bft |
| Nebraska City Airport (354 m, Nebraska) |
6 Bft |
| New Braunfels Airport (197 m, Texas) |
5 Bft |
| New Century AirCenter (331 m, Kansas) |
6 Bft |
| New Ulm Airport (308 m, Minnesota) |
6 Bft |
| Newton (467 m, Kansas) |
6 Bft |
| Newton Airport (290 m, Iowa) |
6 Bft |
| Norfolk Intl. Airport (9 m, Virginia) |
5 Bft |
| Norfolk Regional Airport (473 m, Nebraska) |
7 Bft |
| North Mountain (439 m, Nova Scotia) |
5 Bft |
| North Texas Regional Airport (228 m, Texas) |
6 Bft |
| NorthMountain (439 m, Nova Scotia) |
5 Bft |
| Northeast Iowa Regional Airport (343 m, Iowa) |
6 Bft |
| O'Neill Airport (619 m, Nebraska) |
5 Bft |
| Oakes Airport (400 m, North Dakota) |
6 Bft |
| Oakland Intl. Airport (6 m, California) |
7 Bft |
| Oelwen (328 m, Iowa) |
8 Bft |
| Offutt Air Force Base (319 m, Nebraska) |
6 Bft |
| Old Crow Airport (251 m, Yukon) |
5 Bft |
| Olivia Airport (328 m, Minnesota) |
6 Bft |
| Ord Airport (631 m, Nebraska) |
6 Bft |
| Ortonville (335 m, Minnesota) |
5 Bft |
| Ottumwa Regional Airport (256 m, Iowa) |
6 Bft |
| Owatonna (Awos) (350 m, Minnesota) |
6 Bft |
| Palmdale Regional Airport (774 m, California) |
5 Bft |
| Park Rapids Municip (437 m, Minnesota) |
6 Bft |
| Paynesville Airport (360 m, Minnesota) |
6 Bft |
| Pella Airport (270 m, Iowa) |
6 Bft |
| Peoria Airport (202 m, Illinois) |
5 Bft |
| Perot Field Fort Worth Alliance Airport (220 m, Texas) |
6 Bft |
| Philip Billard Airport (269 m, Kansas) |
5 Bft |
| Pickle Lake Airport (391 m, Ontario) |
5 Bft |
| Pickle Lake(Man) (386 m, Ontario) |
5 Bft |
| Pierre Regional Airport (528 m, South Dakota) |
6 Bft |
| Plattsmouth Airport (366 m, Nebraska) |
6 Bft |
| Pleasanton Airport (131 m, Texas) |
5 Bft |
| Port Isabel AP (5 m, Texas) |
6 Bft |
| Portage Southport A (270 m, Manitoba) |
6 Bft |
| Pratt Regional Airport (595 m, Kansas) |
6 Bft |
| Raleigh (766 m, West-Virginia) |
6 Bft |
| Rankin Inlet Airport (29 m, Nunavut) |
7 Bft |
| Rawlins Airport (2077 m, Wyoming) |
6 Bft |
| Red Lake Airport (386 m, Ontario) |
5 Bft |
| Red Oak Airport (318 m, Iowa) |
6 Bft |
| Red Wing Regional Airport (239 m, Minnesota) |
5 Bft |
| Redwood Falls Muni (312 m, Minnesota) |
7 Bft |
| Rice Lake Regional Airport (347 m, Wisconsin) |
5 Bft |
| Richlands Airport (808 m, Virginia) |
5 Bft |
| Robstown Airport (24 m, Texas) |
5 Bft |
| Rochester Intl. Airport (402 m, Minnesota) |
6 Bft |
| Rockwall Airport (175 m, Texas) |
5 Bft |
| Rogers Executive Airport (415 m, Arkansas) |
5 Bft |
| Russell Airport (566 m, Kansas) |
6 Bft |
| Salina Regional Airport (385 m, Kansas) |
7 Bft |
| San Antonio Intl. Airport (242 m, Texas) |
5 Bft |
| Sandberg Airport (1379 m, California) |
9 Bft |
| Sanikiluaq Airport (32 m, Nunavut) |
7 Bft |
| Santa Fe Regional Airport (1933 m, New Mexico) |
5 Bft |
| Sauk Centre Muni (379 m, Minnesota) |
6 Bft |
| Schefferville (517 m, Quebec) |
5 Bft |
| Sedalia Regional Airport (277 m, Missouri) |
5 Bft |
| Sheldon (432 m, Iowa) |
7 Bft |
| Shenandoah Muni (296 m, Iowa) |
6 Bft |
| Shively Field Airport (2138 m, Wyoming) |
5 Bft |
| Sierra Blanca Regional Airport (2076 m, New Mexico) |
5 Bft |
| Sioux Falls Regional Airport (435 m, South Dakota) |
6 Bft |
| Sioux Gateway Airport (336 m, Iowa) |
6 Bft |
| Sisseton Airport (354 m, South Dakota) |
6 Bft |
| Skylark Field (258 m, Texas) |
6 Bft |
| Slayton Airport (495 m, Minnesota) |
6 Bft |
| South St. Paul Airport (250 m, Minnesota) |
5 Bft |
| South Texas International Airport at Edinburg (24 m, Texas) |
5 Bft |
| Southern California Logistics Airport (869 m, California) |
6 Bft |
| Southland Field (3 m, Louisiana) |
5 Bft |
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
6 Bft |
| Spencer Airport (408 m, Iowa) |
6 Bft |
| Springdale Airport (412 m, Arkansas) |
5 Bft |
| Springfield- Branson National Airport (390 m, Missouri) |
7 Bft |
| St James Muni Arpt (325 m, Minnesota) |
6 Bft |
| St. Cloud Regional Airport (312 m, Minnesota) |
5 Bft |
| St. Paul Downtown Airport (219 m, Minnesota) |
5 Bft |
| Stanton Airfield (280 m, Minnesota) |
5 Bft |
| Storm Lake Airport (454 m, Iowa) |
5 Bft |
| Strother Field (353 m, Kansas) |
6 Bft |
| Tahlequah Airport (266 m, Oklahoma) |
5 Bft |
| Tangier (2 m, Texas) |
5 Bft |
| Ted Stevens Anchorage Intl. Airport (42 m, Alaska) |
5 Bft |
| Tehachapi Airport (1220 m, California) |
6 Bft |
| Terrell Airport (144 m, Texas) |
6 Bft |
| Texarkana Regional Airport (119 m, Arkansas) |
6 Bft |
| Texas Gulf Coast Regional Airport (8 m, Texas) |
5 Bft |
| Thief River Falls Regional Airport (340 m, Minnesota) |
5 Bft |
| Thomas P. Stafford Airport (489 m, Oklahoma) |
6 Bft |
| Tinker Air Force Base (384 m, Oklahoma) |
5 Bft |
| Topeka Regional Airport (325 m, Kansas) |
6 Bft |
| Toronto Islands Airport (77 m, Ontario) |
5 Bft |
| Tracy Airport (408 m, Minnesota) |
7 Bft |
| Tri-City Airport (274 m, Kansas) |
5 Bft |
| Vandenberg Space Force Base (112 m, California) |
5 Bft |
| Vinton Airport (258 m, Iowa) |
5 Bft |
| Viroqua Airport (394 m, Wisconsin) |
5 Bft |
| Walhalla Airport (291 m, North Dakota) |
5 Bft |
| Waseca Airport (343 m, Minnesota) |
6 Bft |
| Washington (230 m, Iowa) |
6 Bft |
| Washington Airport (149 m, Missouri) |
5 Bft |
| Waskish Muni Airpt (360 m, Minnesota) |
5 Bft |
| Waterloo Regional Airport (268 m, Iowa) |
7 Bft |
| Watertown Regional Airport (532 m, South Dakota) |
6 Bft |
| Webster City (342 m, Iowa) |
7 Bft |
| Whale Cove Airport (20 m, Nunavut) |
8 Bft |
| Wheaton Airport (313 m, Minnesota) |
7 Bft |
| Wichita Dwight D. Eisenhower National Airport (409 m, Kansas) |
6 Bft |
| Wiley Post Airport (396 m, Oklahoma) |
5 Bft |
| Will Rogers World Airport (398 m, Oklahoma) |
5 Bft |
| William P. Hobby Airport (14 m, Texas) |
6 Bft |
| Willmar Airport (343 m, Minnesota) |
6 Bft |
| Windom (410 m, Minnesota) |
6 Bft |
| Winnipeg Airport (239 m, Manitoba) |
7 Bft |
| Winona Airport (200 m, Minnesota) |
5 Bft |
| Worthington (480 m, Minnesota) |
7 Bft |
North - South