| Abraham Lincoln Capital Airport (187 m, Illinois) |
5 Bft |
| Accomack (15 m, Virginia) |
5 Bft |
| Adak (5 m, Alaska) |
11 Bft |
| Adirondack Regional Airport (507 m, New York) |
8 Bft |
| Airlake Airport (293 m, Minnesota) |
6 Bft |
| Aitkin Airport (367 m, Minnesota) |
6 Bft |
| Albany Airport (89 m, New York) |
5 Bft |
| Albion Airport (550 m, Nebraska) |
8 Bft |
| Albuquerque Airport (1618 m, New Mexico) |
6 Bft |
| Alexandria Airport (432 m, Minnesota) |
7 Bft |
| Algona Airport (372 m, Iowa) |
6 Bft |
| Allentown Queen City Airport (122 m, Pennsylvania) |
6 Bft |
| Alpena (211 m, Michigan) |
6 Bft |
| Ames Airport (291 m, Iowa) |
7 Bft |
| Ankeny Regional Airport (275 m, Iowa) |
6 Bft |
| Annapolis (2 m, Maryland) |
5 Bft |
| Anoka (278 m, Minnesota) |
6 Bft |
| Appleton Airport (310 m, Wisconsin) |
7 Bft |
| Appleton Intl. Airport (280 m, Wisconsin) |
5 Bft |
| Aransas (8 m, Texas) |
5 Bft |
| Arthur N. Neu Airport (375 m, Iowa) |
6 Bft |
| Arviat (10 m, Nunavut) |
5 Bft |
| Atka Airport (17 m, Alaska) |
9 Bft |
| Atlantic Airport (360 m, Iowa) |
7 Bft |
| Atlantic City Airport (20 m, New Jersey) |
6 Bft |
| Audubon County Airport (392 m, Iowa) |
6 Bft |
| Augusta Airport (405 m, Kansas) |
5 Bft |
| Aurora Airport (548 m, Nebraska) |
6 Bft |
| Aurora Airport (215 m, Illinois) |
5 Bft |
| Austin Airport (375 m, Minnesota) |
6 Bft |
| Baker Lake Airport (18 m, Nunavut) |
6 Bft |
| Banff (1397 m, Alberta) |
5 Bft |
| Baraboo- Wisconsin Dells Airport (298 m, Wisconsin) |
5 Bft |
| Barrie-Oro (289 m, Ontario) |
5 Bft |
| Bartlesville Airport (218 m, Oklahoma) |
5 Bft |
| Bathurst Inlet (929 m, Northwest Territories) |
8 Bft |
| Baudette Intl. Airport (329 m, Minnesota) |
6 Bft |
| Bay Bridge Airport (15 m, Maryland) |
5 Bft |
| Beatrice Municipal (403 m, Nebraska) |
7 Bft |
| Beaver Island Airport (204 m, Michigan) |
7 Bft |
| Bemidji Regional Airport (420 m, Minnesota) |
5 Bft |
| Benson Airport (317 m, Minnesota) |
7 Bft |
| Bentonville Airport (395 m, Arkansas) |
5 Bft |
| Berlin Regional Airport (353 m, New Hampshire) |
5 Bft |
| Beverly Regional Airport (33 m, Massachusetts) |
5 Bft |
| Big Trout Lake (222 m, Ontario) |
5 Bft |
| Bigfork (411 m, Minnesota) |
5 Bft |
| Black River Falls Area Airport (255 m, Wisconsin) |
5 Bft |
| Blair Airport (404 m, Nebraska) |
7 Bft |
| Block (33 m, Rhode Island) |
5 Bft |
| Blosser Airport (452 m, Kansas) |
6 Bft |
| Blue Grass Airport (301 m, Kentucky) |
5 Bft |
| Bolton Field (280 m, Ohio) |
5 Bft |
| Boone Airport (354 m, Iowa) |
7 Bft |
| Boscobel Airport (205 m, Wisconsin) |
5 Bft |
| Bow Valley (1298 m, Alberta) |
5 Bft |
| Brainerd Lakes Regional Airport (374 m, Minnesota) |
6 Bft |
| Branch County Memorial Airport (292 m, Michigan) |
5 Bft |
| Branson West Airport (411 m, Missouri) |
5 Bft |
| Brevoort Island Airport (376 m, Nunavut) |
9 Bft |
| Brewster Field Arpt (704 m, Nebraska) |
6 Bft |
| Broken Bow Airport (776 m, Nebraska) |
6 Bft |
| Brookhaven Airport (25 m, New York) |
6 Bft |
| Brookings Regional Airport (502 m, South Dakota) |
5 Bft |
| Buffalo Airport (295 m, Minnesota) |
6 Bft |
| Buffalo Niagara Intl. Airport (219 m, New York) |
6 Bft |
| Burlington Airport (237 m, Wisconsin) |
5 Bft |
| Burlington Intl. Airport (104 m, Vermont) |
6 Bft |
| Burnett County Airport (301 m, Wisconsin) |
6 Bft |
| Caledonia County Airport (362 m, Vermont) |
5 Bft |
| Cambridge Airport (287 m, Minnesota) |
6 Bft |
| Cameron Falls (AUT) (233 m, Ontario) |
7 Bft |
| Campo (802 m, California) |
6 Bft |
| Canby Airport (364 m, Minnesota) |
6 Bft |
| Cape Mercy (583 m, Nunavut) |
5 Bft |
| Cape Newenham LRRS Airport (165 m, Alaska) |
8 Bft |
| Caribou (187 m, Ontario) |
8 Bft |
| Castroville Airport (235 m, Texas) |
5 Bft |
| Catalina Airport (488 m, California) |
6 Bft |
| Cattaraugus County-Olean Airport (651 m, New York) |
5 Bft |
| Centerville Airport (313 m, Iowa) |
7 Bft |
| Central Nebraska Regional Airport (566 m, Nebraska) |
7 Bft |
| Central Wisconsin Airport (389 m, Wisconsin) |
5 Bft |
| Chan Gurney Airport (398 m, South Dakota) |
6 Bft |
| Chariton (320 m, Iowa) |
7 Bft |
| Charles B. Wheeler Downtown Airport (226 m, Missouri) |
6 Bft |
| Charlevoix Airport (204 m, Michigan) |
8 Bft |
| Chatham Airport (19 m, Massachusetts) |
5 Bft |
| Chautauqua (211 m, New York) |
5 Bft |
| Cheboygan Airport (195 m, Michigan) |
5 Bft |
| Cherokee Airport (374 m, Iowa) |
6 Bft |
| Chetek Airport (322 m, Wisconsin) |
5 Bft |
| Cheyenne County Airport (1040 m, Kansas) |
5 Bft |
| Chibougamau-Chapais AP (387 m, Quebec) |
5 Bft |
| Chillicothe (234 m, Missouri) |
5 Bft |
| Chino Airport (199 m, California) |
6 Bft |
| Chippewa Valley Regional Airport (271 m, Wisconsin) |
6 Bft |
| Claresholm (1012 m, Alberta) |
6 Bft |
| Clarinda (303 m, Iowa) |
6 Bft |
| Clarion Airport (354 m, Iowa) |
6 Bft |
| Clinton Airport (216 m, Iowa) |
5 Bft |
| Clintonville Airport (251 m, Wisconsin) |
5 Bft |
| Cloquet Carlton (390 m, Minnesota) |
8 Bft |
| Columbus Airport (440 m, Nebraska) |
7 Bft |
| Concord Airport (105 m, New Hampshire) |
5 Bft |
| Cook Muni Arpt (402 m, Minnesota) |
5 Bft |
| Copper Harbor Ramos (186 m, Michigan) |
7 Bft |
| Coral Harbour Airport (64 m, Nunavut) |
8 Bft |
| Cortland Airport (365 m, New York) |
5 Bft |
| Council Bluffs Airport (382 m, Iowa) |
7 Bft |
| Cove Island (181 m, Ontario) |
7 Bft |
| Creston (394 m, Iowa) |
6 Bft |
| Crowsnest (1303 m, Alberta) |
8 Bft |
| Crystal Airport (265 m, Minnesota) |
6 Bft |
| Cumberland Airport (378 m, Wisconsin) |
6 Bft |
| Custer Airport (188 m, Michigan) |
5 Bft |
| Cut Bank Airport (1169 m, Montana) |
9 Bft |
| Danbury Airport (139 m, Connecticut) |
6 Bft |
| Dane County Regional Airport (264 m, Wisconsin) |
5 Bft |
| Dare (4 m, North Carolina) |
6 Bft |
| Davenport Airport (259 m, Iowa) |
6 Bft |
| Dawson Creek Airport (655 m, British Columbia) |
8 Bft |
| DeKalb Airport (279 m, Illinois) |
6 Bft |
| Decatur Airport (208 m, Illinois) |
5 Bft |
| Decorah Airport (353 m, Iowa) |
5 Bft |
| Del Rio Intl. Airport (314 m, Texas) |
5 Bft |
| Delaware (286 m, Indiana) |
5 Bft |
| Delaware Coastal Airport (16 m, Delaware) |
5 Bft |
| Delta County Airport (187 m, Michigan) |
7 Bft |
| Des Moines Intl. Airport (294 m, Iowa) |
6 Bft |
| Detroit Lakes Airport (426 m, Minnesota) |
5 Bft |
| Dewar Lakes AP (488 m, Nunavut) |
7 Bft |
| Dodge Center Airport (398 m, Minnesota) |
6 Bft |
| Dodge County Airport (285 m, Wisconsin) |
5 Bft |
| Door (221 m, Wisconsin) |
5 Bft |
| Dover Air Force Base (9 m, Delaware) |
5 Bft |
| Doylestown Airport (120 m, Pennsylvania) |
5 Bft |
| Drummond Island Airport (204 m, Michigan) |
5 Bft |
| Dryden Airport (413 m, Ontario) |
5 Bft |
| DuPage Airport (231 m, Illinois) |
6 Bft |
| Dubois Airport (2224 m, Wyoming) |
8 Bft |
| Dubuque Regional Airport (329 m, Iowa) |
6 Bft |
| Duluth Airport (432 m, Minnesota) |
7 Bft |
| Eagle Creek Airpark Airport (250 m, Indiana) |
5 Bft |
| Eagle River Union Airport (500 m, Wisconsin) |
5 Bft |
| Eareckson Air Station (31 m, Alaska) |
9 Bft |
| Eastern Iowa Airport (256 m, Iowa) |
6 Bft |
| Eddie Andreini Sr. Airfield (20 m, California) |
5 Bft |
| Elbow Lake (367 m, Minnesota) |
6 Bft |
| Elora (376 m, Ontario) |
6 Bft |
| Ely Airport (443 m, Minnesota) |
5 Bft |
| Emporia Airport (368 m, Kansas) |
6 Bft |
| Englehart Airport (243 m, Ontario) |
6 Bft |
| Enid Woodring Regional Airport (356 m, Oklahoma) |
5 Bft |
| Essex (53 m, New Jersey) |
6 Bft |
| Estherville Muni (401 m, Iowa) |
7 Bft |
| Eveleth Muni (Awos) (421 m, Minnesota) |
6 Bft |
| Fairfield Airport (244 m, Iowa) |
6 Bft |
| Fairmont Airport (354 m, Minnesota) |
8 Bft |
| Falls City/Brenner (300 m, Nebraska) |
6 Bft |
| Falls Intl. Airport (362 m, Minnesota) |
6 Bft |
| Faribault Muni Awos (322 m, Minnesota) |
6 Bft |
| Fergus Falls Airport (361 m, Minnesota) |
6 Bft |
| Field of Dreams AP (311 m, Minnesota) |
5 Bft |
| Fillmore County Airport (389 m, Minnesota) |
6 Bft |
| Flag Island (328 m, Minnesota) |
6 Bft |
| Floyd Bennett Memorial Airport (100 m, New York) |
5 Bft |
| Flying Cloud Airport (276 m, Minnesota) |
7 Bft |
| Fond du Lac (246 m, Wisconsin) |
5 Bft |
| Ford Airport (360 m, Michigan) |
5 Bft |
| Forest City Airport (375 m, Iowa) |
6 Bft |
| Fort Dodge Regional Airport (355 m, Iowa) |
6 Bft |
| Fort Madison (221 m, Iowa) |
6 Bft |
| Fort Simpson Airport (169 m, Northwest Territories) |
5 Bft |
| Fort St. John AP (695 m, British Columbia) |
7 Bft |
| Fosston (388 m, Minnesota) |
5 Bft |
| Francis S. Gabreski Airport (20 m, New York) |
5 Bft |
| Frankfort Dow Memorial Field (193 m, Michigan) |
5 Bft |
| Franklin County State Airport (70 m, Vermont) |
6 Bft |
| Freeport Airport (262 m, Illinois) |
5 Bft |
| Frelighsburg (152 m, Quebec) |
5 Bft |
| Fremont Airport (379 m, Nebraska) |
6 Bft |
| Fulton County Airport (269 m, New York) |
6 Bft |
| Fulton County Airport (238 m, Ohio) |
5 Bft |
| Galesburg Airport (233 m, Illinois) |
6 Bft |
| Gaylord Airport (404 m, Michigan) |
7 Bft |
| Geraldton AP (349 m, Ontario) |
7 Bft |
| Glencoe Airport (302 m, Minnesota) |
6 Bft |
| Glenwood (Asos) (425 m, Minnesota) |
6 Bft |
| Goderich (214 m, Ontario) |
6 Bft |
| Gogebic- Iron County Airport (375 m, Michigan) |
6 Bft |
| Grand Forks Intl. Airport (255 m, North Dakota) |
5 Bft |
| Grand Marais (186 m, Minnesota) |
9 Bft |
| Grand Marais Airport (505 m, Minnesota) |
7 Bft |
| Grand Rapids (413 m, Minnesota) |
6 Bft |
| Grande Prairie Airport (669 m, Alberta) |
5 Bft |
| Granite Falls Airport (319 m, Minnesota) |
6 Bft |
| Grayling Airport (353 m, Michigan) |
5 Bft |
| Great Duck Island (183 m, Ontario) |
8 Bft |
| Greater Binghamton Airport (497 m, New York) |
6 Bft |
| Greater Sudbury (190 m, Ontario) |
9 Bft |
| Griffiss Intl. Airport (154 m, New York) |
5 Bft |
| Grinnell Airport (307 m, Iowa) |
7 Bft |
| Grosse Ile Airport (176 m, Michigan) |
5 Bft |
| Hamilton Airport (238 m, Ontario) |
6 Bft |
| Hannibal Regional Airport (234 m, Missouri) |
5 Bft |
| Harbor Beach(Ramos) (183 m, Michigan) |
5 Bft |
| Harbor Springs Airport (209 m, Michigan) |
6 Bft |
| Harlan Airport (375 m, Iowa) |
6 Bft |
| Harriman-and-West Airport (201 m, Massachusetts) |
7 Bft |
| Harrow CDA (AUT) (192 m, Ontario) |
5 Bft |
| Harry Reid Intl. Airport (664 m, Nevada) |
5 Bft |
| Hartford Airport (6 m, Connecticut) |
6 Bft |
| Hartness State Airport (176 m, Vermont) |
5 Bft |
| Hastings Airport (596 m, Nebraska) |
8 Bft |
| Hat Isl. (36 m, Nunavut) |
6 Bft |
| Hays Regional Airport (609 m, Kansas) |
7 Bft |
| Hazleton Regional Airport (489 m, Pennsylvania) |
6 Bft |
| Hebron Airport (447 m, Nebraska) |
6 Bft |
| Henderson (117 m, Kentucky) |
5 Bft |
| Heritage Field Airport (89 m, Pennsylvania) |
5 Bft |
| Holyoke Airport (1137 m, Colorado) |
5 Bft |
| Hopedale (8 m, Newfoundland) |
5 Bft |
| Houghton (327 m, Michigan) |
7 Bft |
| Hudson Valley Regional Airport (51 m, New York) |
6 Bft |
| Huntington Airport (246 m, Indiana) |
5 Bft |
| Hutchinson Airport (323 m, Minnesota) |
6 Bft |
| Independence Airport (298 m, Iowa) |
6 Bft |
| Indiana (429 m, Pennsylvania) |
5 Bft |
| Indianapolis Executive Airport (281 m, Indiana) |
5 Bft |
| Iowa City Airport (198 m, Iowa) |
7 Bft |
| Iowa Falls Airport (347 m, Iowa) |
6 Bft |
| Island Lake Airport (235 m, Manitoba) |
5 Bft |
| Jackson Airport (441 m, Minnesota) |
8 Bft |
| Jim Kelly Field (736 m, Nebraska) |
6 Bft |
| John F. Kennedy Intl. Airport (7 m, New York) |
8 Bft |
| John F. Kennedy Memorial Airport (251 m, Wisconsin) |
6 Bft |
| Johnson (334 m, Kansas) |
5 Bft |
| Kansas City Intl. Airport (313 m, Missouri) |
6 Bft |
| Kapuskasing (227 m, Ontario) |
7 Bft |
| Kapuskasing (218 m, Ontario) |
6 Bft |
| Katatota Island (AUT) (261 m, Ontario) |
8 Bft |
| Kearney Regional Airport (649 m, Nebraska) |
6 Bft |
| Keokuk Airport (205 m, Iowa) |
7 Bft |
| Killarney (196 m, Ontario) |
8 Bft |
| Kings Land o' Lakes Airport (520 m, Wisconsin) |
6 Bft |
| Kinngait Airport (50 m, Nunavut) |
8 Bft |
| Kirksville Regional Airport (294 m, Missouri) |
5 Bft |
| Knox Airport (209 m, Indiana) |
5 Bft |
| Knoxville (283 m, Iowa) |
7 Bft |
| La Crosse Regional Airport (202 m, Wisconsin) |
6 Bft |
| LaGuardia Airport (9 m, New York) |
8 Bft |
| Lackland Air Force Base (210 m, Texas) |
5 Bft |
| Lacon Airport (173 m, Illinois) |
5 Bft |
| Lake Charles Airport (5 m, Louisiana) |
5 Bft |
| Lake Elmo Airport (284 m, Minnesota) |
7 Bft |
| Lakehurst AP (24 m, New Jersey) |
6 Bft |
| Lakehurst Maxfield Field (31 m, New Jersey) |
6 Bft |
| Lakeland Airport (496 m, Wisconsin) |
5 Bft |
| Lamoni (342 m, Iowa) |
7 Bft |
| Lancaster Airport (123 m, Pennsylvania) |
6 Bft |
| Langlade (464 m, Wisconsin) |
5 Bft |
| Laughlin Air Force Base (327 m, Texas) |
5 Bft |
| Laughlin/Bullhead Intl. Airport (167 m, Arizona) |
6 Bft |
| Lawrence Regional Airport (254 m, Kansas) |
8 Bft |
| Le Mars Airport (365 m, Iowa) |
6 Bft |
| Lee's Summit Airport (306 m, Missouri) |
7 Bft |
| Lehigh Valley Intl. Airport (117 m, Pennsylvania) |
6 Bft |
| Lenawee County Airport (244 m, Michigan) |
5 Bft |
| Lethbridge (929 m, Alberta) |
8 Bft |
| Lewis University Airport (231 m, Illinois) |
5 Bft |
| Litchfield Airport (347 m, Minnesota) |
5 Bft |
| Litchfield Airport (210 m, Illinois) |
5 Bft |
| Little Falls/Morrison (342 m, Minnesota) |
5 Bft |
| Liverpool Bay (102 m, Northwest Territories) |
5 Bft |
| Lloyd Stearman Field (416 m, Kansas) |
5 Bft |
| London Madison County Airport (330 m, Ohio) |
5 Bft |
| Long (30 m, New York) |
6 Bft |
| Long Prairie Airport (394 m, Minnesota) |
6 Bft |
| Longville Airport (407 m, Minnesota) |
5 Bft |
| Los Alamos Airport (2186 m, New Mexico) |
5 Bft |
| Luce (265 m, Michigan) |
6 Bft |
| Luverne Airport (436 m, Minnesota) |
7 Bft |
| Mackenzie (690 m, British Columbia) |
5 Bft |
| Mackenzie Airport (695 m, British Columbia) |
5 Bft |
| Macomb Airport (216 m, Illinois) |
6 Bft |
| Madison (330 m, Minnesota) |
6 Bft |
| Madison Airport (523 m, South Dakota) |
6 Bft |
| Madison Airport (250 m, Indiana) |
5 Bft |
| Manhattan (48 m, New York) |
6 Bft |
| Manistique (209 m, Michigan) |
7 Bft |
| Manitowish Waters Airport (491 m, Wisconsin) |
6 Bft |
| Mansfield Lahm Regional Airport (395 m, Ohio) |
6 Bft |
| Maple Lake Airport (313 m, Minnesota) |
6 Bft |
| Marfa Airport (1473 m, Texas) |
6 Bft |
| Marshall Army Airfield (324 m, Kansas) |
5 Bft |
| Marshall Town Muni (296 m, Iowa) |
7 Bft |
| Marshfield Airport (389 m, Wisconsin) |
6 Bft |
| Martha's Vineyard Airport (21 m, Massachusetts) |
6 Bft |
| Martin State Airport (7 m, Maryland) |
7 Bft |
| Marysville Airport (391 m, Kansas) |
6 Bft |
| Mason (363 m, Iowa) |
7 Bft |
| Matagami (280 m, California) |
5 Bft |
| Matagami Airport (280 m, Quebec) |
5 Bft |
| McConnell Air Force Base (413 m, Kansas) |
5 Bft |
| McGregor Airport (374 m, Minnesota) |
6 Bft |
| McGuire Air Force Base (41 m, New Jersey) |
5 Bft |
| Menomonie Airport (273 m, Wisconsin) |
5 Bft |
| Meriden Markham Airport (31 m, Connecticut) |
5 Bft |
| Merrill Airport (401 m, Wisconsin) |
6 Bft |
| Middlebury State AP (149 m, Vermont) |
5 Bft |
| Middleton Muni - Morey Field (283 m, Wisconsin) |
5 Bft |
| Milk River (1050 m, Alberta) |
5 Bft |
| Millard Airport (320 m, Nebraska) |
7 Bft |
| Miller Air Park (25 m, New Jersey) |
6 Bft |
| Millville Executive Airport (25 m, New Jersey) |
5 Bft |
| Milton (192 m, Massachusetts) |
6 Bft |
| Mineral Point (359 m, Wisconsin) |
5 Bft |
| Minneapolis (255 m, Minnesota) |
7 Bft |
| Mission Field (1418 m, Montana) |
6 Bft |
| Monmouth Executive Airport (48 m, New Jersey) |
7 Bft |
| Monroe Airport (331 m, Wisconsin) |
6 Bft |
| Montevideo (Awos) (315 m, Minnesota) |
6 Bft |
| Monticello Regional Airport (259 m, Iowa) |
6 Bft |
| Moorhead Airport (280 m, Minnesota) |
5 Bft |
| Moose Lake Co Arpt (328 m, Minnesota) |
6 Bft |
| Moosonee (9 m, Ontario) |
7 Bft |
| Moosonee (9 m, Ontario) |
6 Bft |
| Moosonee Airport (9 m, Quebec) |
7 Bft |
| Mora Airport (309 m, Minnesota) |
6 Bft |
| Morris Airport (344 m, Minnesota) |
6 Bft |
| Morris Airport (178 m, Illinois) |
5 Bft |
| Morristown Airport (57 m, New Jersey) |
5 Bft |
| Morrisville- Stowe State Airport (223 m, Vermont) |
7 Bft |
| Mount Forest (415 m, Ontario) |
5 Bft |
| Mount Pleasant Airport (224 m, Iowa) |
6 Bft |
| Mount Washington Airport (1910 m, New Hampshire) |
12 Bft |
| Mount Washington Regional Airport (319 m, New Hampshire) |
5 Bft |
| Muir Army Airfield (149 m, Pennsylvania) |
5 Bft |
| Muscatine Airport (167 m, Iowa) |
6 Bft |
| Nagagami (AUT) (264 m, Ontario) |
6 Bft |
| Naval Air Weapons Station China Lake (696 m, California) |
5 Bft |
| Nebraska City Airport (354 m, Nebraska) |
6 Bft |
| Needles Airport (302 m, California) |
6 Bft |
| New Bedford Regional Airport (23 m, Massachusetts) |
5 Bft |
| New Richmond Regional Airport (304 m, Wisconsin) |
7 Bft |
| New Ulm Airport (308 m, Minnesota) |
6 Bft |
| New York (27 m, New York) |
6 Bft |
| Newport State Airport (52 m, Rhode Island) |
5 Bft |
| Newton Airport (290 m, Iowa) |
8 Bft |
| Niagara Falls Intl. Airport (180 m, New York) |
7 Bft |
| Norfolk Regional Airport (473 m, Nebraska) |
7 Bft |
| North Bay (370 m, Ontario) |
5 Bft |
| North Mountain (439 m, Nova Scotia) |
5 Bft |
| NorthMountain (439 m, Nova Scotia) |
5 Bft |
| Northeast Iowa Regional Airport (343 m, Iowa) |
6 Bft |
| Northeast Kingdom Intl. Airport (284 m, Vermont) |
5 Bft |
| Northeast Philadelphia Airport (37 m, Pennsylvania) |
6 Bft |
| O’Hare Intl. Airport (205 m, Illinois) |
5 Bft |
| O'Neill Airport (619 m, Nebraska) |
6 Bft |
| Ocean (4 m, Maryland) |
5 Bft |
| Offutt Air Force Base (319 m, Nebraska) |
7 Bft |
| Ogoki Post Airport (181 m, Ontario) |
6 Bft |
| Olivia Airport (328 m, Minnesota) |
6 Bft |
| Omaha/Eppley Field AP (299 m, Nebraska) |
7 Bft |
| Ontario Intl. Airport (287 m, California) |
6 Bft |
| Orange (431 m, Iowa) |
5 Bft |
| Orange County Airport (111 m, New York) |
6 Bft |
| Ord Airport (631 m, Nebraska) |
6 Bft |
| Orr Regional Airport (397 m, Minnesota) |
5 Bft |
| Ortonville (335 m, Minnesota) |
6 Bft |
| Osceola Airport (275 m, Wisconsin) |
5 Bft |
| Osceola Muni (338 m, Iowa) |
6 Bft |
| Oscoda- Wurtsmith Airport (188 m, Michigan) |
6 Bft |
| Oskaloosa Airport (256 m, Iowa) |
7 Bft |
| Otis Air National Guard Base (40 m, Massachusetts) |
6 Bft |
| Ottawa Int AP (114 m, Ontario) |
5 Bft |
| Ottumwa Regional Airport (256 m, Iowa) |
6 Bft |
| Owatonna (Awos) (350 m, Minnesota) |
6 Bft |
| Park Rapids Municip (437 m, Minnesota) |
6 Bft |
| Paynesville Airport (360 m, Minnesota) |
5 Bft |
| Pella Airport (270 m, Iowa) |
7 Bft |
| Pellston Regional Airport (217 m, Michigan) |
5 Bft |
| Perry Airport (309 m, Iowa) |
6 Bft |
| Philadelphia Intl. Airport (9 m, Pennsylvania) |
7 Bft |
| Philip Billard Airport (269 m, Kansas) |
7 Bft |
| Pickle Lake Airport (391 m, Ontario) |
5 Bft |
| Pickle Lake(Man) (386 m, Ontario) |
5 Bft |
| Pincher Creek (1190 m, Alberta) |
7 Bft |
| Pincher Creek Airport (1190 m, Alberta) |
7 Bft |
| Pine River (395 m, Minnesota) |
6 Bft |
| Pine Springs (1663 m, Texas) |
8 Bft |
| Pipestone Airport (529 m, Minnesota) |
7 Bft |
| Pittsfield (216 m, Illinois) |
6 Bft |
| Pittsfield Airport (364 m, Massachusetts) |
6 Bft |
| Platinum Airport (5 m, Alaska) |
6 Bft |
| Platteville Airport (312 m, Wisconsin) |
5 Bft |
| Plattsburgh Intl. Airport (72 m, New York) |
6 Bft |
| Plattsmouth Airport (366 m, Nebraska) |
7 Bft |
| Pocono Mountains Airport (584 m, Pennsylvania) |
8 Bft |
| Pond Inlet Airport (55 m, Nunavut) |
5 Bft |
| Pontiac Airport (201 m, Illinois) |
5 Bft |
| Pontiac Oakland (299 m, Michigan) |
5 Bft |
| Port Colborne (184 m, Ontario) |
8 Bft |
| Portage Southport A (270 m, Manitoba) |
5 Bft |
| Portsmouth International Airport at Pease (31 m, New Hampshire) |
5 Bft |
| Prairie du Chien Airport (201 m, Wisconsin) |
5 Bft |
| Pratt Regional Airport (595 m, Kansas) |
6 Bft |
| Presidio Airport (896 m, Texas) |
6 Bft |
| Price County Airport (449 m, Wisconsin) |
5 Bft |
| Prince George Airport (691 m, British Columbia) |
7 Bft |
| Princeton Airport (298 m, Minnesota) |
5 Bft |
| Provincetown Airport (2 m, Massachusetts) |
5 Bft |
| Pukaskwa (AUT) (208 m, Ontario) |
6 Bft |
| Quad Cities Intl. Airport (181 m, Illinois) |
6 Bft |
| Quakertown Airport (160 m, Pennsylvania) |
6 Bft |
| Quincy Regional Airport (232 m, Illinois) |
7 Bft |
| Ralph Wenz Field (2160 m, Wyoming) |
5 Bft |
| Range Regional Airport (410 m, Minnesota) |
7 Bft |
| Rantoul National Aviation Center (225 m, Illinois) |
5 Bft |
| Reading Regional Airport (105 m, Pennsylvania) |
5 Bft |
| Red Oak Airport (318 m, Iowa) |
7 Bft |
| Red Wing Regional Airport (239 m, Minnesota) |
5 Bft |
| Redwood Falls Muni (312 m, Minnesota) |
7 Bft |
| Republic Airport (25 m, New York) |
7 Bft |
| Resolute AP (67 m, Nunavut) |
8 Bft |
| Rice Lake Regional Airport (347 m, Wisconsin) |
5 Bft |
| Richard I. Bong Airport (206 m, Wisconsin) |
7 Bft |
| Rochelle Airport (238 m, Illinois) |
5 Bft |
| Rochester Intl. Airport (402 m, Minnesota) |
6 Bft |
| Rockford Airport (226 m, Illinois) |
6 Bft |
| Rogers City Airport (204 m, Michigan) |
6 Bft |
| Rogers Executive Airport (415 m, Arkansas) |
5 Bft |
| Roscommon (351 m, Michigan) |
6 Bft |
| Rosecrans Memorial Airport (246 m, Missouri) |
8 Bft |
| Rowley Island (41 m, Nunavut) |
6 Bft |
| Rush City Rgnl Arpt (281 m, Minnesota) |
6 Bft |
| Rusk County Airport (377 m, Wisconsin) |
6 Bft |
| Russell Airport (566 m, Kansas) |
7 Bft |
| Rutland- Southern Vermont Regional Airport (240 m, Vermont) |
6 Bft |
| Saguache (2385 m, Colorado) |
5 Bft |
| Salina Regional Airport (385 m, Kansas) |
7 Bft |
| Salisbury (16 m, Maryland) |
6 Bft |
| San Bernardino Intl. Airport (353 m, California) |
5 Bft |
| Sandberg Airport (1379 m, California) |
7 Bft |
| Sauk Centre Muni (379 m, Minnesota) |
6 Bft |
| Sault Ste Marie (192 m, Ontario) |
5 Bft |
| Sault Ste. Marie Airport (218 m, Michigan) |
6 Bft |
| Sawyer County Airport (370 m, Wisconsin) |
5 Bft |
| Sawyer Intl. Airport (372 m, Michigan) |
9 Bft |
| Scholes International Airport at Galveston (16 m, Texas) |
7 Bft |
| Scotts Seaplane Base (341 m, Minnesota) |
5 Bft |
| Searle Field Airport (999 m, Nebraska) |
5 Bft |
| Sedalia Regional Airport (277 m, Missouri) |
6 Bft |
| Sedona Airport (1471 m, Arizona) |
6 Bft |
| Sheldon (432 m, Iowa) |
6 Bft |
| Shenandoah Muni (296 m, Iowa) |
6 Bft |
| Shepherd Bay AP (45 m, Nunavut) |
8 Bft |
| Sikorsky Memorial Airport (5 m, Connecticut) |
6 Bft |
| Silver Bay Airport (331 m, Minnesota) |
5 Bft |
| Sioux Falls Regional Airport (435 m, South Dakota) |
7 Bft |
| Sioux Gateway Airport (336 m, Iowa) |
8 Bft |
| Sioux Lookout Airport (390 m, Ontario) |
5 Bft |
| Sky Harbor Airport & Seaplane Base (186 m, Minnesota) |
7 Bft |
| Slayton Airport (495 m, Minnesota) |
7 Bft |
| Solander Island (99 m, British Columbia) |
9 Bft |
| Somerset Airport (32 m, New Jersey) |
5 Bft |
| South Haven Airport (203 m, Michigan) |
5 Bft |
| South Jersey Regional Airport (16 m, New Jersey) |
5 Bft |
| South St. Paul Airport (250 m, Minnesota) |
7 Bft |
| Southeast Iowa Regional Airport (210 m, Iowa) |
6 Bft |
| Southwest Michigan Regional Airport (196 m, Michigan) |
5 Bft |
| Southwest Minnesota Regional Airport (359 m, Minnesota) |
6 Bft |
| Sparrevohn LRRS Airport (482 m, Alaska) |
5 Bft |
| Sparta (164 m, Illinois) |
5 Bft |
| Sparta/Fort McCoy Airport (256 m, Wisconsin) |
5 Bft |
| Sparwood (1138 m, British Columbia) |
6 Bft |
| Spence Bay AP (28 m, Nunavut) |
7 Bft |
| Spencer Airport (408 m, Iowa) |
7 Bft |
| Spirit River (1015 m, Alberta) |
7 Bft |
| Springfield- Branson National Airport (390 m, Missouri) |
6 Bft |
| St James Muni Arpt (325 m, Minnesota) |
6 Bft |
| St. Catharines/Niagara District Airport (98 m, Ontario) |
5 Bft |
| St. Charles (133 m, Missouri) |
6 Bft |
| St. Clair (198 m, Michigan) |
5 Bft |
| St. Cloud Regional Airport (312 m, Minnesota) |
6 Bft |
| St. Louis Downtown Airport (126 m, Illinois) |
5 Bft |
| St. Louis Lambert Intl. Airport (172 m, Missouri) |
6 Bft |
| St. Louis Regional Airport (166 m, Illinois) |
6 Bft |
| St. Paul Downtown Airport (219 m, Minnesota) |
7 Bft |
| Stanton Airfield (280 m, Minnesota) |
6 Bft |
| Staples (392 m, Minnesota) |
6 Bft |
| Storm Lake Airport (454 m, Iowa) |
6 Bft |
| Sudbury Airport (348 m, Ontario) |
7 Bft |
| Sullivan Airport (428 m, New York) |
6 Bft |
| Taloyoak Airport (28 m, Nunavut) |
7 Bft |
| Taylor (448 m, Wisconsin) |
6 Bft |
| Taylorville Airport (190 m, Illinois) |
5 Bft |
| Tekamah (Asos) (312 m, Nebraska) |
6 Bft |
| Teterboro Airport (3 m, New Jersey) |
7 Bft |
| Thunder Bay (199 m, Ontario) |
5 Bft |
| Thunder Bay (199 m, Ontario) |
6 Bft |
| Thunder Bay Airport (206 m, Ontario) |
6 Bft |
| Tomahawk Airport (453 m, Wisconsin) |
5 Bft |
| Topeka Regional Airport (325 m, Kansas) |
6 Bft |
| Toronto Islands Airport (77 m, Ontario) |
7 Bft |
| Toronto/Pearson AP (173 m, Ontario) |
5 Bft |
| Tracy Airport (408 m, Minnesota) |
7 Bft |
| Trenton (65 m, New Jersey) |
7 Bft |
| Two Harbors (328 m, Minnesota) |
6 Bft |
| Union County Airport (311 m, Ohio) |
5 Bft |
| Val-d'Or (337 m, California) |
7 Bft |
| Val-d'Or (345 m, Quebec) |
7 Bft |
| Victoria Beach (220 m, Manitoba) |
5 Bft |
| Vineland Station RCS (79 m, Ontario) |
5 Bft |
| Vinton Airport (258 m, Iowa) |
6 Bft |
| Viroqua Airport (394 m, Wisconsin) |
6 Bft |
| Volk Field Air National Guard Base Airport (280 m, Wisconsin) |
5 Bft |
| Wadena Airport (418 m, Minnesota) |
5 Bft |
| Wager Bay (18 m, Nunavut) |
8 Bft |
| Wahoo Airport (373 m, Nebraska) |
6 Bft |
| Walker Airport (411 m, Minnesota) |
5 Bft |
| Wallops Flight Facility Airport (12 m, Virginia) |
6 Bft |
| Warsaw Airport (259 m, Indiana) |
5 Bft |
| Waseca Airport (343 m, Minnesota) |
6 Bft |
| Washington (230 m, Iowa) |
7 Bft |
| Washington Airport (149 m, Missouri) |
5 Bft |
| Waskish Muni Airpt (360 m, Minnesota) |
5 Bft |
| Waterbury (222 m, Connecticut) |
6 Bft |
| Waterloo Regional Airport (268 m, Iowa) |
7 Bft |
| Waterton Park Gate (1296 m, Alberta) |
9 Bft |
| Watertown Airport (254 m, Wisconsin) |
5 Bft |
| Wautoma Airport (262 m, Wisconsin) |
5 Bft |
| Wayne Airport (436 m, Nebraska) |
7 Bft |
| Webster City (342 m, Iowa) |
7 Bft |
| Westchester (121 m, New York) |
7 Bft |
| Western Islands (191 m, Ontario) |
7 Bft |
| Westfield-Barnes Regional Airport (83 m, Massachusetts) |
6 Bft |
| Westover Metropolitan Airport (75 m, Massachusetts) |
5 Bft |
| Wexford (396 m, Michigan) |
5 Bft |
| Wheeler-Sack Army Airfield (207 m, New York) |
7 Bft |
| Whiteman Air Force Base (255 m, Missouri) |
5 Bft |
| Wichita Dwight D. Eisenhower National Airport (409 m, Kansas) |
6 Bft |
| Wilkes-Barre/Scranton Intl. Airport (289 m, Pennsylvania) |
6 Bft |
| William H. Morse State Airport (252 m, Vermont) |
6 Bft |
| Williams Lake Airport (942 m, British Columbia) |
5 Bft |
| Willmar Airport (343 m, Minnesota) |
6 Bft |
| Windham Airport (76 m, Connecticut) |
5 Bft |
| Windsor Airport (190 m, Ontario) |
6 Bft |
| Wings Field (92 m, Pennsylvania) |
5 Bft |
| Winner Regional Airport (619 m, South Dakota) |
5 Bft |
| Winona Airport (200 m, Minnesota) |
6 Bft |
| Wittman Regional Airport (246 m, Wisconsin) |
5 Bft |
| Worcester Airport (308 m, Massachusetts) |
5 Bft |
| Worthington (480 m, Minnesota) |
7 Bft |
| Yoho National Park (1615 m, British Columbia) |
6 Bft |
| York Airport (509 m, Nebraska) |
7 Bft |
North - South