| 10AK | Hunt Strip Airport | Wasilla AK |
| 10AL | North Jackson Nursing Home Heliport | Bridgeport AL |
| 10AZ | Pierce Airport | Buckeye AZ |
| 10C | Galt Field Airport | Greenwood/wonder Lake IL |
| 10CA | William E Poole Heliport | Apple Valley CA |
| 10CO | Mack Mesa Airport | Mack CO |
| 10D | Winsted Muni Airport | Winsted MN |
| 10F | Rosser Ranch Airport | Graham TX |
| 10FA | Flying Baron Estates Airport | Leesburg FL |
| 10FD | Seven Feathers Airport | Dunnellon FL |
| 10FL | Fishermen's Hospital Emergency Helistop Heliport | Marathon FL |
| 10G | Holmes County Airport | Millersburg OH |
| 10GA | Beaverbrook Aerodrome Airport | Griffin GA |
| 10IA | Flyers Airport | Waterloo IA |
| 10ID | Flat Top Airstrip Airport | Muldoon ID |
| 10II | Jasper County Hospital Heliport | Rensselaer IN |
| 10IL | Riverside Medical Center Heliport | Kankakee IL |
| 10IN | Squires Airport | Connersville IN |
| 10KS | University Of Kansas Hospital Heliport | Kansas City KS |
| 10KY | Southwest Government Center Heliport | Louisville KY |
| 10LA | Industrial Helicopters Inc. Airport | Scott LA |
| 10LL | Chicago Police Marine Heliport | Chicago IL |
| 10MA | Beaver Lake Seaplane Base | Ware MA |
| 10MI | St Mary's Hospital Heliport | Saginaw MI |
| 10MN | Lookout Lake Seaplane Base | Ironton MN |
| 10MO | Flying V Ranch Airport | Williamsburg MO |
| 10MT | Hoolie Airport | Haxby MT |
| 10MU | Freeman Neosha Hospital Heliport | Neosho MO |
| 10NC | Johnston Farm Airport | Jackson NC |
| 10ND | Smith Strip Airport | Halliday ND |
| 10NE | St Joseph Hospital Heliport | Omaha NE |
| 10NH | Clark Heliport | Hampstead NH |
| 10NJ | St Francis M C Helistop Heliport | Trenton NJ |
| 10NK | Glens Falls Hospital Heliport | Glens Falls NY |
| 10NY | Beaver Meadow Heliport | Remsen NY |
| 10OH | Zoellner Airport | Huron OH |
| 10OK | Hickory Hills Airport | Norman OK |
| 10PA | Piac Heliport | Essington PA |
| 10PN | One Meridian Plaza Heliport | Philadelphia PA |
| 10TA | Bear Creek Heliport | Houston TX |
| 10TE | Gottwald Field Airport | Harwood TX |
| 10TN | Flatwood Field Airport | Lebanon TN |
| 10TX | Jbh Aerospace Heliport | Ingleside TX |
| 10U | Owyhee Airport | Owyhee NV |
| 10UT | Gilbert Development Corp Heliport | Hurricane UT |
| 10VA | Nashs Airport | Appomattox VA |
| 10WA | Mullan Hill Airport | Spokane WA |
| 10WI | Buds Landing Airport | Pound WI |
| 10WY | Willow Creek Ranch Airport | Kaycee WY |
| 10XA | Sterling Airport | Port Lavaca TX |
| 10XS | Flying S Air Ranch Airport | Brownwood TX |
| 11A | Clayton Muni Airport | Clayton AL |
| 11AK | Rocking T Ranch Airport | Delta Junction AK |
| 11AL | Ech Stagefield Ahp Heliport | Fort Rucker/ozark AL |
| 11AR | St. Joseph's Mercy Heliport | Hot Springs AR |
| 11AZ | Whetstone Airport | Huachuca City AZ |
| 11CA | Turner Field Airport | Fowler CA |
| 11CL | Hansen Airport | Adelanto CA |
| 11FA | B & L Farms Airport | Homestead FL |
| 11FD | North Okaloosa Medical Center Heliport | Crestview FL |
| 11FL | Williams Field Airport | Middleburg FL |
| 11G | Johnson Field Airport | Smiths Creek MI |
| 11GA | De Kalb General Hospital Heliport | Decatur GA |
| 11GE | Apple 1 Heliport | Cumming GA |
| 11IA | Koch Field Airport | Hudson IA |
| 11II | Himsel Army Airfield Airport | Nineveh IN |
| 11IL | St Mary's Hospital - Kankakee Heliport | Kankakee IL |
| 11IN | Jr's Airport | Danville IN |
| 11IS | St Anthony Memorial Hospital Heliport | Effingham IL |
| 11J | Gorilla Heliport | Onondaga MI |
| 11KS | Sheller's Airport | Tonganoxie KS |
| 11KY | Southwest Hospital Heliport | Louisville KY |
| 11LA | Tiger Pass Seaplane Base | Venice LA |
| 11LL | Thacker Airport | Chenoa IL |
| 11LS | Jasmine Hill Airport | Glenmora LA |
| 11MA | Bulljump Airport | Wareham MA |
| 11MD | Tim's Airport | Salisbury MD |
| 11MI | Wagner's Landing Heliport | Clarkston MI |
| 11MN | Point Seaplane Base | Orono MN |
| 11MO | Redgate Ranch Airport | Williamsburg MO |
| 11N | Candlelight Farms Airport | New Milford CT |
| 11NC | Sprint/midatlantic Telecom Heliport | Youngsville NC |
| 11NE | Kaan Airport | Harrison NE |
| 11NJ | Southdown Heliport | Pluckemin NJ |
| 11NK | Hop House Airpark Airport | Fort Plain NY |
| 11NR | Dosher Heliport Heliport | Southport NC |
| 11NY | Johnson Landing Strip Airport | Millbrook NY |
| 11OA | Hide-a-way Hills Resort Airport | Bremen OH |
| 11OH | Fayette County Memorial Hospital Heliport | Washington Court House OH |
| 11OK | Ou Medical Center Edmond Heliport | Edmond OK |
| 11PN | Eakin Airport | Cranberry PA |
| 11R | Brenham Muni Airport | Brenham TX |
| 11S | Sekiu Airport | Sekiu WA |
| 11TA | Conoco Heliport | Houston TX |
| 11TE | Flying M Ranch Airport | Grandview TX |
| 11TN | Salem Field Airport | Clarksville TN |
| 11TS | Pt Enterprise D&w Ranch Airport | Mexia TX |
| 11TX | Butler Airport | Sherman TX |
| 11V | Easton/valley View/ Airport | Greeley CO |
| 11VA | Chesapeake General Hospital Heliport | Chesapeake VA |
| 11VG | Devil's Reach Landing Airport | Oak Grove VA |
| 11VT | Burke Heliport | Killington VT |
| 11WA | Homeport Airport | Cheney WA |
| 11WI | Victory Memorial Hospital Heliport | Stanley WI |
| 11WN | Diedrich Seaplane Base | Lodi WI |
| 11WY | Thompson Creek Oilfield Airport | Hulett WY |
| 11XA | Briar Lakes Ranch Airport | Palestine TX |
| 11Y | Flying Feathers Airport | Chilton WI |
| 12A | Arkavalley Airport | Greenbrier AR |
| 12AL | Goldberg Stagefield Ahp Heliport | Fort Rucker/kirklands Crossroads AL |
| 12AR | Gibbons Airport | Marvell AR |
| 12AZ | Ranta Strip Airport | Morristown AZ |
| 12CA | Faber Vineyards Airport | Lodi CA |
| 12CL | Newton Field Airport | Stratford CA |
| 12CN | Richter Airport | Maxwell CA |
| 12CO | Omega 1 Airport | Hotchkiss CO |
| 12D | Tower Muni Airport | Tower MN |
| 12FD | Osceola Rgnl Hospital Heliport | Kissimmee FL |
| 12FL | Timberlachen Seaplane Base | Orlando FL |
| 12G | Shelby Community Airport | Shelby OH |
| 12GA | Gwinnett Comm Hosp D/b/a Eastside Med Cntr Heliport | Snellville GA |
| 12GE | Harvest Lake Seaplane Base | Riceboro GA |
| 12I | Brookville Reservoir Seaplane Base | Brookville IN |
| 12IA | Plueger Airfield Airport | Lemars IA |
| 12ID | Flying B Ranch Landing Strip Airport | Salmon ID |
| 12IL | Hawker Airport | Kankakee IL |
| 12IN | J & S Field Airport | Darmstadt IN |
| 12IS | Mercer County Hospital Heliport | Aledo IL |
| 12J | Brewton Muni Airport | Brewton AL |
| 12JY | Clinton Elks Lodge Balloonport | Pittstown NJ |
| 12K | Superior Muni Airport | Superior NE |
| 12KS | Sooter Airport | Sedgwick KS |
| 12KY | John M. Foree Airport | New Castle KY |
| 12LA | Kml Airport | Sulphur LA |
| 12LL | Lambdins Field Airport | Wolf Lake IL |
| 12LS | Hains Airstrip Airport | Rayne LA |
| 12MA | Mellen Street Heliport | Holliston MA |
| 12MD | St. Agnes Health Care Heliport | Baltimore MD |
| 12ME | Ridgeview Airport Airport | Searsmont ME |
| 12MI | John's Airport | Davison MI |
| 12MO | Ferguson Farms Airport | Windsor MO |
| 12MT | Lincolns Field Airport | Hingham MT |
| 12N | Aeroflex-andover Airport | Andover NJ |
| 12NC | Atlantic Field Mcolf Airport | Atlantic NC |
| 12ND | Pietschtree Airstrip Airport | Burlington ND |
| 12NE | Reisig Brothers Airport | Scottsbluff NE |
| 12NH | Gile Pond Airport | Sanbornton NH |
| 12NJ | Johnson & Johnson Heliport | Morris Plains NJ |
| 12NK | Westport Airport | Westport NY |
| 12NM | Columbus Stockyards Airport | Columbus NM |
| 12NR | Brunswick Novant Medical Center Heliport | Supply NC |
| 12NY | Tgp-245 Heliport | West Winfield NY |
| 12OA | Defiance Regional Medical Center Heliport | Defiance OH |
| 12OH | Mcgregor Airfield Airport | Brookville OH |
| 12OR | Skinner Ranch Airport | Jordan Valley OR |
| 12PA | Helicopter Applicators Inc Heliport | Gettysburg PA |
| 12PN | Wcau Heliport | Philadelphia PA |
| 12PR | Villamil-304 Ponce De Leon Heliport | San Juan PR |
| 12PS | Siple Heliport | Lewisville PA |
| 12S | Monument Muni Airport | Monument OR |
| 12SC | Over The Hill Airport | Elgin SC |
| 12T | Ferris Red Oak Muni Heliport | Ferris/red Oak TX |
| 12TA | Channel Two Heliport | Houston TX |
| 12TE | Curtis Ranch Field Airport | Brady TX |
| 12TN | Riley Creek Airport | Kingston TN |
| 12TS | Blo Airport | Mineral Wells TX |
| 12TX | Griffin Airport | Bertram TX |
| 12V | Ona Airpark Airport | Milton WV |
| 12VA | Hop-along Airport | Clifton Forge VA |
| 12WA | Fowlers Nw 40 Airport | Spokane WA |
| 12WI | Memorial Hospital Of Taylor County Heliport | Medford WI |
| 12WT | Walker Airport | Palouse WA |
| 12WV | Crazy Horse Airport | Hamlin WV |
| 12WY | Black Diamond Airport | Burlington WY |
| 12XA | Wood Farm Airfield Airport | Gardendale TX |
| 12XS | Mc Croskey Field Airport | Butlerville AR |
| 12Y | Le Sueur Muni Airport | Le Sueur MN |
| 13AK | Satterbergs Airport | Houston AK |
| 13AL | Hatch Stagefield Ahp Heliport | Fort Rucker/ozark AL |
| 13AR | Jrmc Heliport | Pine Bluff AR |
| 13AZ | Waltenberry Field Ultralight | Tonopah AZ |
| 13C | Lakeview-griffith Field Airport | Lakeview MI |
| 13CA | M H 15 Heaps Peak Usfs Heliport | Lake Arrowhead CA |
| 13CL | Maine Prairie Airport | Dixon CA |
| 13CO | Mann Heliport | Steamboat Springs CO |
| 13D | Ponderosa Heliport | Highland MI |
| 13FA | Earle Airpark Airport | Hastings FL |
| 13FD | Yelvington Heliport | Orlando FL |
| 13FL | Gator Lake Heliport | Zephyrhills FL |
| 13GA | Oak Ridge Plantation Airport | Sylvester GA |
| 13GE | Holt Airpark Airport | Oak Park GA |
| 13ID | Silva Ranch Airport | Stanley ID |
| 13II | St Joseph Medical Center Heliport | Fort Wayne IN |
| 13IL | Midwest Medical Center Heliport | Galena IL |
| 13IN | Gage Airport | Decatur IN |
| 13JY | Hess Port Reading Heliport | Port Reading NJ |
| 13K | Lt. William M. Milliken Airport | Eureka KS |
| 13KS | Daniel's Landing Airport | Andover KS |
| 13KY | Miles Airport | Owensboro KY |
| 13LA | Evergreen Heliport | Cameron LA |
| 13LL | Henry Valve Company Heliport | Melrose Park IL |
| 13LS | Tee Brad's Airport | Kaplan LA |
| 13M | Aeronut Park Balloonport | Howell MI |
| 13MA | Metropolitan Airport | Palmer MA |
| 13ME | Socatean Bay Airport | Rockwood ME |
| 13MI | Lee Memorial Hospital Heliport | Dowagiac MI |
| 13MN | Melby Airport | Ashby MN |
| 13MO | Domeyer Airport | Lenox MO |
| 13MS | Greener Pastures Airpark Airport | Carriere MS |
| 13MT | Sorenson Airport | Kremlin MT |
| 13N | Trinca Airport | Andover NJ |
| 13NC | Oak Grove Mcolf Airport | Pollocksville NC |
| 13NE | Hock Airport | Culbertson NE |
| 13NJ | Wyeth-ayerst Research Heliport | Princeton NJ |
| 13NK | Quaker Valley Farm Heliport | Pawling NY |
| 13NM | Beaverhead Airstrip Airport | Silver City NM |
| 13NR | Dusenbury Field Airport | Walnut Cove NC |
| 13NY | Health Sciences Cntr Unv Hosp Heliport | Stony Brook NY |
| 13OH | Rose Field Airport | Jewell OH |
| 13OI | Union Hospital Heliport | Dover OH |
| 13OK | Mc Alester Rgnl Hospital Heliport | Mc Alester OK |
| 13OR | Aubrey Mountain Airstrip Airport | Oakridge OR |
| 13PA | Rigrtona Airport | Tidioute PA |
| 13PN | Richland Acres Ultralight | Quakertown PA |
| 13PS | St. Luke's/pennstar Flight Center Heliport | Nazareth PA |
| 13Q | Jewett Mesa Airport | Apache Creek NM |
| 13S | Lake Louise Seaplane Base | Lake Louise AK |
| 13SC | Grassy Pond Heliport | Gaffney SC |
| 13TA | Kbmt-tv Heliport | Beaumont TX |
| 13TE | Varisco Airport | Bryan TX |
| 13TN | Bear Mountain Heliport | Vonore TN |
| 13TS | Van Es Ranch Airport | Oilton TX |
| 13VA | 7th Div State Police Hqtrs Heliport | Fairfax VA |
| 13VG | May Heliport | Salem VA |
| 13W | Camano Island Airfield Airport | Stanwood WA |
| 13WA | Fsa - Everett Heliport | Everett WA |
| 13WI | Nowatzski Field Airport | Markesan WI |
| 13WV | Bsa Summit Bechtel Reserve Heliport | Mt. Hope WV |
| 13XA | Flying 5b Ranch Airport | Iredell TX |
| 13XS | Presbyterian Hospital Of Rockwall Heliport | Rockwall TX |
| 13Y | Littlefork Muni/hanover Airport | Littlefork MN |
| 13Z | Loring Seaplane Base | Loring AK |
| 14A | Lake Norman Airpark Airport | Mooresville NC |
| 14AK | Four Corners Airport | Palmer AK |
| 14AL | Highbluff Stagefield Ahp Heliport | Fort Rucker/hartford AL |
| 14AR | Rice-bell Field Airport | Forrest City AR |
| 14AZ | Ruby Star Airpark Airport | Green Valley AZ |
| 14CA | Hoag Memorial Hospital Heliport | Newport Beach CA |
| 14CL | Foothill Presbyterian Hospital Heliport | Glendora CA |
| 14CT | Mptn Heliport Heliport | Mashantucket CT |
| 14F | Hamlin Muni Airport | Hamlin TX |
| 14FA | Burrs Strip Airport | Miami FL |
| 14FD | Sunshine Farms Airport | St Augustine FL |
| 14FL | Wells Flying Service Airport | Jay FL |
| 14G | Fremont Airport | Fremont OH |
| 14GA | Latham Creek Heliport | Gainesville GA |
| 14GE | Stakely Heliport | Trenton GA |
| 14ID | Peaceful Cove Airport | Boise ID |
| 14IL | Mendota Community Hospital Heliport | Mendota IL |
| 14IS | Marshall Browning Hospital Heliport | Du Quoin IL |
| 14J | Carl Folsom Airport | Elba AL |
| 14KS | G & S Space Port Airport | Parker KS |
| 14KY | Blue Haven Farm Airport | Paris KY |
| 14L | Devonshire Area Heliport | Los Angeles CA |
| 14LA | Evans Field Airport | Independence LA |
| 14LL | Gottlieb Heliport | Melrose Park IL |
| 14LS | Go Gulf Heliport | Baton Rouge LA |
| 14M | Hollandale Muni Airport | Hollandale MS |
| 14ME | Ring Hill Airport | Carmel ME |
| 14MI | East-west Paris Airport | Dutton MI |
| 14MN | Riverwood Healthcare Center Heliport | Aitkin MN |
| 14MS | Rose Field Airport | Hickory MS |
| 14MT | Sandy Rock Airport | Gildford MT |
| 14N | Beltzville Airport | Lehighton PA |
| 14NC | Camp Davis Mcolf Airport | Holly Ridge NC |
| 14ND | Hagen Private Airport | Reeder ND |
| 14NH | Cheshire Medical Center Heliport | Keene NH |
| 14NJ | Wuerkers New Acres Farm Heliport | Rio Grande NJ |
| 14NK | Mountain View Airport | Kingsbury NY |
| 14NY | Windy's Heliport | Melville NY |
| 14OH | Heilman Airport | Kenton OH |
| 14OI | Pleasant Home Gliding Club Gliderport | Pleasant Home OH |
| 14PA | Dimascio Field Airport | Pottstown PA |
| 14PR | Empresas Diaz-coco Beach Heliport | Rio Grande PR |
| 14PS | Hideaway Ultralight | Quarryville PA |
| 14S | Westport Airport | Westport WA |
| 14SN | Colmery-o'neil Vamc Heliport | Topeka KS |
| 14TA | Dean Ranch Airport | Startzville TX |
| 14TE | Smith I-ranch Airport | Hext TX |
| 14TN | News Channel 3 Heliport | Memphis TN |
| 14TS | O S Wyatt Airport | Realitos TX |
| 14TX | Keyes Ranch Airport | Dripping Springs TX |
| 14VA | Krens Farm Airport | Hillsboro VA |
| 14VG | Abilene Airport | Farmville VA |
| 14WA | Lz Ranch Airport | Olympia WA |
| 14WI | Cylon Heliport | New Richmond WI |
| 14WS | Lakewood Lodge Airport | Stone Lake WI |
| 14WV | Snowshoe Resort/topof The World Heliport | Linwood WV |
| 14XA | Frog Pond Airport | Sherman TX |
| 14XS | Isbell Ranch Airport | Davilla TX |
| 14Y | Todd Field Airport | Long Prairie MN |
| 15A | Mark Reynolds/north Mobile County Airport | Creola AL |
| 15AK | Golden North Airfield Airport | Cantwell AK |
| 15AL | Highfalls Stagefield Ahp Heliport | Fort Rucker/hartford AL |
| 15AR | Dawson's Airport | Brickeys AR |
| 15AZ | Quail Mesa Ranch Airport | Quartzsite AZ |
| 15CA | Stanford University Hospital Center Heliport | Palo Alto CA |
| 15CL | Hunt Farms Airport | Merced CA |
| 15CN | Adventist Medical Center Hanford Heliport | Hanford CA |
| 15CO | Swedish Medical Center Heliport | Englewood CO |
| 15F | Haskell Muni Airport | Haskell TX |
| 15FA | Amistad Ranch Heliport | Okeechobee FL |
| 15FD | Orange Hill Airport | Wausau FL |
| 15FL | Cannon Creek Airpark Airport | Lake City FL |
| 15G | Weltzien Skypark Airport | Wadsworth OH |
| 15GA | Darla's Airport | Kite GA |
| 15IA | Bellvue Flying Circus Airport | Bellvue IA |
| 15ID | Scanlon Airport | Coeur D'alene ID |
| 15II | Findlay Heliport | Lafayette IN |
| 15IL | Gittleson Farms Airport | Franklin Grove IL |
| 15IN | Bugtown Airport | New Harmony IN |
| 15J | Cook County Airport | Adel GA |
| 15KS | Sickler Airstrip Airport | Emporia KS |
| 15KY | Frankfort Rgnl Medical Center Heliport | Frankfort KY |
| 15LL | Cloverleaf Ranch Airport | Tiskilwa IL |
| 15LS | Port Of Iberia Heliport | New Iberia LA |
| 15M | Iuka Airport | Iuka MS |
| 15MA | Canapitsit Airport | Gosnold MA |
| 15ME | Eagle Field Airport | North Yarmouth ME |
| 15MI | Grant Pad Heliport | Fraser MI |
| 15MN | Tyler Farms Airport | Watkins MN |
| 15MO | Applegate Airport | Queen City MO |
| 15MT | Saubak Airport | Lustre MT |
| 15N | Jenkins Airport | Wyoming DE |
| 15NC | Dragonfly Field Airport | Ahoskie NC |
| 15NE | Sindt Airport | Upland NE |
| 15NH | Nashua Technology Park Heliport | Nashua NH |
| 15NJ | Werner Heliport | Belford NJ |
| 15NK | Knox Landing Airport | Sardinia NY |
| 15NY | Peninsula Hospital Center Heliport | Far Rockaway NY |
| 15OH | Twin City Hospital Heliport | Dennison OH |
| 15OI | Firelands Community Hospital Nr 1 Heliport | Sandusky OH |
| 15OK | Bluebird Airport | Muskogee OK |
| 15OR | Camp Rilea Ahp Heliport | Warrenton OR |
| 15PA | Cavage Personal Use Airport | Prompton PA |
| 15PN | Metropolitan Edison Heliport | Reading PA |
| 15PS | Jennersville Rgnl Hospital Heliport | West Grove PA |
| 15S | Lester State Ultralight | Lester WA |
| 15SD | Brownlee Heliport | Watertown SD |
| 15TA | J R Ranch Airport | Briggs TX |
| 15TE | Arco High Island Heliport | High Island TX |
| 15TN | Indian Path Medical Center Heliport | Kingsport TN |
| 15TS | Owens Country Sausage Heliport | Richardson TX |
| 15TX | Ed Shadle Airport | Stephenville TX |
| 15VA | Fox Acres Airport | Warrenton VA |
| 15W | Dennis Farms Airport | Laingsburg MI |
| 15WA | Sunset Airport | Stanwood WA |
| 15WI | Peterson Field Airport | Oregon WI |
| 15XS | Toy Airpark Airport | Liverpool TX |
| 15Z | Mc Carthy Airport | Mccarthy AK |
| 16A | Nunapitchuk Airport | Nunapitchuk AK |
| 16AK | Gattis Strip Airport | Wasilla AK |
| 16AL | Hooper Stagefield Ahp Heliport | Fort Rucker/ozark AL |
| 16AR | Heifer Creek Ranch Airport | Springfield AR |
| 16AZ | Yav'pe Ma'ta Airport | Skull Valley AZ |
| 16CA | Police Pistol Range Heliport | San Francisco CA |
| 16CL | Mother Lode Service Center Heliport | Angels Camp CA |
| 16CO | Dry Pen Airport | Parachute CO |
| 16D | Perham Muni Airport | Perham MN |
| 16DE | A.i. Dupont Children's Hospital Heliport | Wilmington DE |
| 16FA | Little Deer Airport | Ochopee FL |
| 16FD | Skinners Wholesale Nursery Airport | Crescent City FL |
| 16FL | J-22 Ranch Airport | Milton FL |
| 16G | Seneca County Airport | Tiffin OH |
| 16GA | Galleria Heliport | Marietta GA |
| 16IA | Stangl Airport | Coon Rapids IA |
| 16ID | Bear Lake Memorial Hospital Helipad Heliport | Montpelier ID |
| 16IL | Harold Bunger Airport | Kirkland IL |
| 16IN | Deaconess Hospital Heliport | Evansville IN |
| 16IS | Kellums Airport | Goreville IL |
| 16J | Dawson Muni Airport | Dawson GA |
| 16K | Port Alice Seaplane Base | Port Alice AK |
| 16KS | Harmony Valley Airport | Independence KS |
| 16LA | Arrow Aviation Company Heliport | Cade LA |
| 16LL | Oak Landing Heliport | Bull Valley IL |
| 16LS | Evan Airport | Prairieville LA |
| 16MA | Lawrence General Hospital Heliport | Lawrence MA |
| 16MD | High Valley Airport | North East MD |
| 16MI | Barnstormers 5 Airport | Gaines MI |
| 16MO | Findley Field Airport | Beaufort MO |
| 16MS | Iuka Hospital Heliport | Iuka MS |
| 16MT | Bangart Field Airport | Roberts MT |
| 16NC | Lee's Airport | Edenton NC |
| 16NE | Korver Airport | Panama NE |
| 16NH | Bossey's Seaplane Base | Meredith NH |
| 16NJ | Hummel Seaplane Base | Island Heights NJ |
| 16NK | Delaware Valley Hospital Heliport | Walton NY |
| 16NY | Station 241 Heliport | Syracuse NY |
| 16OH | Lutheran Hospital Heliport | Cleveland OH |
| 16OI | Trump Airport | Greenville OH |
| 16PA | Gregg Airport | Eighty Four PA |
| 16PN | Oakdale Ahp Heliport | Oakdale PA |
| 16S | Myrtle Creek Muni Airport | Myrtle Creek OR |
| 16SC | Southern Aero Sports Airport | Cross Anchor SC |
| 16TA | Seven Springs Airport | Toyahvale TX |
| 16TE | Holly Lake Ranch Airport | Hawkins TX |
| 16TN | Lincoln Medical Center Heliport | Fayetteville TN |
| 16TS | Pineridge Airport | Tyler TX |
| 16TX | Ratliff Airport | Stephenville TX |
| 16VA | Smith Heliport | Winchester VA |
| 16W | Little Goose Lock And Dam Airport | Starbuck WA |
| 16WA | Tightcliff Airport | Nine Mile Falls WA |
| 16WI | Lac Vieux Desert Seaplane Base | Phelps WI |
| 16X | Propwash Airport | Justin TX |
| 16XA | Texoma Medical Center Hwy 75 Heliport | Denison TX |
| 16XS | Outlaw Flyers Airport | Conroe TX |
| 16Z | Mc Grath Seaplane Base | Mcgrath AK |
| 17AK | Ketchikan /temsco H/ Heliport | Ketchikan AK |
| 17AL | Hunt Stagefield Ahp Heliport | Fort Rucker/newton AL |
| 17AR | Bredlow Farm Airport | England AR |
| 17AZ | Gilbert Emergency Hospital Heliport | Gilbert AZ |
| 17CA | Doctors Medical Center Heliport | San Pablo CA |
| 17CL | Las Trancas Airport | Davenport CA |
| 17CO | Skylane Ranch Airport | Berthoud CO |
| 17FA | Cotton Strip Airport | La Belle FL |
| 17FD | Sheriffs Helistop Heliport | Bartow FL |
| 17FL | Jumbolair-greystone Airport | Ocala FL |
| 17G | Port Bucyrus-crawford County Airport | Bucyrus OH |
| 17GA | Panther Creek Airport | Newnan GA |
| 17ID | Coyote Ridge Airport | Midvale ID |
| 17II | Dreessen Field Airport | Walkerton IN |
| 17IN | Pruss Airport | Farmers Retreat IN |
| 17J | Donalsonville Muni Airport | Donalsonville GA |
| 17K | Boise City Airport | Boise City OK |
| 17KY | Shannon Field Airport | Sacramento KY |
| 17LS | Yankee Field Airport | Port Barre LA |
| 17M | Magee Muni Airport | Magee MS |
| 17MA | Long Hill Heliport | Leominster MA |
| 17MD | Johns Hopkins Hospital Critical Care Tower Heliport | Baltimore MD |
| 17ME | Bresett's Mountainside Airport | Van Buren ME |
| 17MI | Grace Hospital Heliport | Detroit MI |
| 17MO | Rgl Field Airport | Montgomery City MO |
| 17MS | River Region Medical Center Heliport | Vicksburg MS |
| 17MT | Abel Ranch Airport | Kalispell MT |
| 17N | Cross Keys Airport | Cross Keys NJ |
| 17NC | Mitchell Field Airport | Elizabethtown NC |
| 17NE | Jefferson County Memorial Hospital Heliport | Fairbury NE |
| 17NH | Pomroy Heliport | Londonderry NH |
| 17NJ | New Jersey Steel Helistop Heliport | Sayreville NJ |
| 17NK | Re-dun Field Airport | Reading Center NY |
| 17NR | Zombie Air Force Ultralight | Ammon NC |
| 17NY | Station 233 Heliport | Stafford NY |
| 17OG | Eugene Fire Station #2 Heliport | Eugene OR |
| 17OH | Kosik Private Airport | Kipton OH |
| 17OI | Haas Airport | Bainbridge OH |
| 17OK | Good Life Ranch Airport | Chickasha OK |
| 17OR | Glide Aero Airport | Glide OR |
| 17PN | Tobyhanna Army Depot Heliport | Tobyhanna PA |
| 17PS | Mountain Crest Airport | Tidioute PA |
| 17S | Chehalem Airpark Airport | Newberg OR |
| 17TA | Heli-dyne Systems Inc Heliport | Hurst TX |
| 17TE | Comfort Airpark Airport | Comfort TX |
| 17TN | Murphy Field Airport | Jonesborough TN |
| 17TS | Big Bend Rgnl Med Ctr Heliport | Alpine TX |
| 17TX | Kimzey Airport | Stephenville TX |
| 17V | Haxtun Muni Airport | Haxtun CO |
| 17WA | Roesler Timber Company Heliport | Startup WA |
| 17WI | Ha-rail Airport | Lake Mills WI |
| 17XA | Hunter Field Airport | Jacksonville TX |
| 17XS | Quahadi Ranch Airport | Dublin TX |
| 18A | Franklin County Airport | Canon GA |
| 18AA | 18 Meadows Aerodrome Airport | Haines AK |
| 18AK | North Douglas Heliport | Juneau AK |
| 18AL | Louisville Stagefield Ahp Heliport | Fort Rucker/louisville AL |
| 18AR | Buck Mountain Airport | Eureka Springs AR |
| 18AZ | Sky Ranch At Carefree Airport | Carefree AZ |
| 18CA | Twin Cities Community Hospital Heliport | Templeton CA |
| 18CL | Bowles Airport | Live Oak CA |
| 18CO | Rangely District Hospital Heliport | Rangely CO |
| 18FD | Sky Ranch Airport | Baker FL |
| 18FL | Bahia Beach Heliport | Ruskin FL |
| 18GA | Sleepy Hollow Airport | Social Circle GA |
| 18HI | Brandt Field Airport | Kaunakakai HI |
| 18I | Mc Creary County Airport | Pine Knot KY |
| 18ID | Elmore Medical Center Heliport | Mountain Home ID |
| 18II | Mc Gill Airport | Cicero IN |
| 18IL | Adventist La Grange Memorial Hospital Heliport | La Grange IL |
| 18IN | Kester Fly Inn Airport | Farmersburg IN |
| 18JY | Skamokawa East Valley Airport | Skamokawa WA |
| 18K | Fowler Airport | Fowler KS |
| 18KS | Cherokee Strip Airport | Udall KS |
| 18KY | Marshall County Hospital Heliport | Benton KY |
| 18LA | Camp Beauregard Army National Guard Heliport | Pineville LA |
| 18LS | Omni Mouton Cove Heliport | Abbeville LA |
| 18MA | Holy Family Hospital Heliport | Methuen MA |
| 18MD | Montgomery General Hospital Heliport | Olney MD |
| 18ME | Ruby Airport | Bristol ME |
| 18MI | Vacottage Heliport | Gladwin MI |
| 18MN | Hines Farm Airport | Motley MN |
| 18MO | Gimlin Airport | Ozark MO |
| 18MT | Fish Ranch Airport | Jackson MT |
| 18NC | Lanni Field Airport | Lenoir NC |
| 18NH | Catholic Medical Center Heliport | Manchester NH |
| 18NJ | Manalapan Township-village Green Heliport | Freehold NJ |
| 18NY | Strip In The Woods Airport | Woodstock NY |
| 18OH | Jer-mar Airpark Airport | Lagrange OH |
| 18OI | Boggy Bottoms Airport | Vickery OH |
| 18OK | Comanche County Memorial Hospital Heliport | Lawton OK |
| 18OR | Red's Field Airport | Amity OR |
| 18PA | Slack Airport | Forest Grove PA |
| 18PN | Spud View Airport | Upper Strasburg PA |
| 18T | Tatum Airport | Tatum NM |
| 18TA | West Kerr Ranch Airport | Junction TX |
| 18TE | Alert Field Airport | Big Sandy TX |
| 18TN | Sequatchie County Heliport | Dunlap TN |
| 18TS | Brackenridge Hospital Heliport | Austin TX |
| 18TX | Flying 't' Ranch Airport | Caddo Mills TX |
| 18V | Platte Valley Airpark Airport | Hudson CO |
| 18VA | English Heliport | Hurt VA |
| 18WA | Pasco Heliport | Pasco WA |
| 18WI | Leach Farms Heliport | Poy Sippi WI |
| 18WV | Lynn Airport | Newburg WV |
| 18WY | Teton County Search & Rescue Heliport | Jackson WY |
| 18XA | Lantana Ridge Airport | Goliad TX |
| 18XS | Gardner Farm Airport | Mc Adoo TX |
| 18Y | Milaca Muni Airport | Milaca MN |
| 19A | Jackson County Airport | Jefferson GA |
| 19AK | Icy Bay Airport | Icy Bay AK |
| 19AL | Molinelli Stagefield Ahp Heliport | Fort Rucker/ozark AL |
| 19AR | Naylor Field Airport | Naylor AR |
| 19AZ | Montezuma Airport | Camp Verde AZ |
| 19CL | Palisades Ranch Airport | Helendale CA |
| 19CO | Memorial Hospital Heliport | Colorado Springs CO |
| 19FD | Osceola Sheriff's Ofc - Bronson Hwy Heliport | Kissimmee FL |
| 19FL | The Villages Heliport | Belleview FL |
| 19GA | Willow Pond Aviation Inc Airport | Fayetteville GA |
| 19IA | Ancam Antique Airfield Airport | West Burlington IA |
| 19II | Henry County Hospital Heliport | New Castle IN |
| 19IL | Danville V A Heliport | Danville IL |
| 19IN | Resler Airport | Churubusco IN |
| 19KS | Schultz Field Heliport | Chanute KS |
| 19KY | Conrads Airport | Dry Ridge KY |
| 19LL | Neiner Airport | Manteno IL |
| 19LS | Riverside Medical Center Heliport | Franklinton LA |
| 19M | C. A. Moore Airport | Lexington MS |
| 19MA | Waine Heliport | Nantucket MA |
| 19MI | Mecosta County Medical Center Heliport | Big Rapids MI |
| 19MO | North Patrol Div Station Heliport | Kansas City MO |
| 19MS | Nichol Airpark Airport | Holly Springs MS |
| 19MT | N Bar Ranch Airport | Grassrange MT |
| 19N | Camden County Airport | Berlin NJ |
| 19NC | Double S Airport | Red Oak NC |
| 19ND | Breckheimer Airport | Tolna ND |
| 19NE | Hoyt Airport | Mc Cook/culbertson NE |
| 19NH | Lorden Ii Heliport | New Boston NH |
| 19NK | Riveredge Airpark Airport | Central Square NY |
| 19NY | Four Seasons Airport | Reading NY |
| 19OH | Harris Corn Field Airport | Litchfield OH |
| 19OI | Airc Helistop Heliport | Wintersville OH |
| 19OK | Chickasaw Nation Medical Center Heliport | Ada OK |
| 19OR | Nelson Ranch Airport | Maupin OR |
| 19P | Port Protection Seaplane Base | Port Protection AK |
| 19PA | Lake Airport | Millville PA |
| 19PN | Spooky Nook Heliport | Landisville PA |
| 19S | Sublette Muni Airport | Sublette KS |
| 19SC | Sexton Airport | Newberry SC |
| 19T | Tan Tar A Resort Seaplane Base | Osage Beach MO |
| 19TA | Lagrone Ranch Airport | Mc Clendon-chisholm TX |
| 19TE | Cut And Shoot Airport | Conroe TX |
| 19TN | Ferraraccio Field Airport | Clarksville TN |
| 19TS | Kvue-tv Heliport | Austin TX |
| 19TX | Woody Mc Clellan Ranch Airport | Temple TX |
| 19VA | Flying W Airport | St. Paul VA |
| 19WA | Key Way Airport | Stevenson WA |
| 19WI | Erickson Field Airport | Prairie Farm WI |
| 19XA | Baylor Medical Center Irving Heliport | Irving TX |
| 19XS | Draggintail Acres Airport | Maypearl TX |
| 1A0 | Dallas Bay Sky Park Airport | Chattanooga TN |
| 1A1 | Green Acres Airport | Livingston NY |
| 1A2 | Arthur Airport | Arthur ND |
| 1A3 | Martin Campbell Field Airport | Copperhill TN |
| 1A4 | Logan Field Airport | Samson AL |
| 1A5 | Macon County Airport | Franklin NC |
| 1A6 | Middlesboro-bell County Airport | Middlesboro KY |
| 1A7 | Jackson County Airport | Gainesboro TN |
| 1A8 | Empire Airport | Empire NV |
| 1A9 | Prattville - Grouby Field Airport | Prattville AL |
| 1AK0 | Craig Cg Heliport | Craig AK |
| 1AK1 | Crevice Creek Airport | Crevice Creek AK |
| 1AK2 | Crosswind Lake Airport | Crosswind Lake AK |
| 1AK3 | Port Moller Airport | Cold Bay AK |
| 1AK4 | Kenai River Airpark Airport | Soldotna AK |
| 1AK5 | Offshore Systems-kenai Heliport | Nikiski AK |
| 1AK6 | Talachulitna River Airport | Skwentna AK |
| 1AK7 | Valdez Hospital Heliport | Valdez AK |
| 1AK8 | Talaheim Airport | Skwentna AK |
| 1AK9 | Tundra Copter Heliport | Fairbanks AK |
| 1AL0 | Marshall Medical Center South Heliport | Boaz AL |
| 1AL1 | Decatur General Hospital Heliport | Decatur AL |
| 1AL2 | Tri-l Acres Airpark Airport | Columbiana AL |
| 1AL4 | Elsanor Airport | Robertsdale AL |
| 1AL5 | Berry Field Airport | Loxley AL |
| 1AL6 | Monroe County Hospital Heliport | Monroeville AL |
| 1AL7 | Business Center Of Alabama Heliport | Montgomery AL |
| 1AL8 | Moore Field Airport | Moody AL |
| 1AR0 | Breckenridge Airport | Beedeville AR |
| 1AR1 | Walls Airport | Coy AR |
| 1AR2 | Taylor Airstrip Airport | Des Arc AR |
| 1AR3 | Bob Norman Airstrip Airport | Des Arc AR |
| 1AR5 | Cherokee Strip Airport | Gentry AR |
| 1AR6 | Diamond Bluff Airport | Greers Ferry AR |
| 1AR7 | Medical Park Hospital Heliport | Hope AR |
| 1AR8 | Flying W Air Park Inc Airport | Lavaca AR |
| 1AR9 | Country Air Estates Airport | Lonoke AR |
| 1AZ0 | Mobile Airport | Mobile AZ |
| 1AZ1 | Boulais Heliport | Tolleson AZ |
| 1AZ3 | Arizona State Prison - Safford Heliport | Safford AZ |
| 1AZ7 | S R P Tolleson Center Heliport | Tolleson AZ |
| 1AZ8 | Willow Springs Ranch Airport | Bullhead City AZ |
| 1B0 | Dexter Rgnl Airport | Dexter ME |
| 1B1 | Columbia County Airport | Hudson NY |
| 1B2 | Katama Airpark Airport | Edgartown MA |
| 1B5 | Franconia Airport | Franconia NH |
| 1B6 | Hopedale Industrial Park Airport | Hopedale MA |
| 1B8 | Chapin Fld Airport | Cambridge NY |
| 1B9 | Mansfield Muni Airport | Mansfield MA |
| 1BT | Bonne Terre Muni Airport | Bonne Terre MO |
| 1C1 | Paxton Airport | Paxton IL |
| 1C3 | Argyle Airport | Argyle NY |
| 1C5 | Bolingbrook's Clow Intl Airport | Bolingbrook IL |
| 1C8 | Cottonwood Airport | Rockford IL |
| 1C9 | Frazier Lake Airpark Airport | Hollister CA |
| 1CA0 | Boeing Santa Susana Heliport | Simi Valley CA |
| 1CA1 | Belridge Strip Airport | South Belridge CA |
| 1CA2 | Sunrise One Heliport | Rancho Cordova CA |
| 1CA3 | G S A Laguna Niguel G/l Helistop Heliport | South Laguna Beach CA |
| 1CA5 | California Title Building Heliport | South Pasadena CA |
| 1CA6 | On The Rocks Airport | Alpine CA |
| 1CA7 | L. A. Times Costa Mesa Heliport | Costa Mesa CA |
| 1CA8 | R I Science Center Helistop Heliport | Thousand Oaks CA |
| 1CA9 | Los Angeles County Fire Department Heliport | Thousand Oaks CA |
| 1CD0 | Murphy Heliport | Longmont CO |
| 1CD1 | Reed International Airport | Nunn CO |
| 1CD2 | Tonga Airport | Platteville CO |
| 1CD4 | Eagle Soaring Airport | Steam Boat Springs CO |
| 1CD5 | Rio Grande Hospital Heliport | Del Norte CO |
| 1CL0 | William Archibald Heliport | San Dimas CA |
| 1CL1 | Little Buttes Antique Airfield Airport | Lancaster CA |
| 1CL2 | Pontious Airport | Mojave CA |
| 1CL3 | Alameda County Parking Garage Heliport | Oakland CA |
| 1CL4 | Uci Medical Center Heliport | Orange CA |
| 1CL5 | Pomerado Hospital Heliport | Poway CA |
| 1CL6 | Lake Park Helistop Heliport | Sacramento CA |
| 1CL8 | Marian Medical Center Heliport | Santa Maria CA |
| 1CL9 | Sfi-vernon Heliport | Vernon CA |
| 1CN1 | Western Medical Center Santa Ana Heliport | Santa Ana CA |
| 1CO0 | Aurora Rgnl Medical Center Heliport | Aurora CO |
| 1CO1 | Mount Morrison Heliport | Morrison CO |
| 1CO2 | Williams Ranch Airport | Norwood CO |
| 1CO3 | Bellmore Farms Airport | Nunn CO |
| 1CO4 | Clifford Field Airport | Olathe CO |
| 1CO5 | Melon Field Airport | Rocky Ford CO |
| 1CO6 | Lands End Microwave Heliport | Palisade CO |
| 1CO7 | Dodsworth Airport | Salida CO |
| 1CO8 | Everitt Airport | Parker CO |
| 1CO9 | Mchd Heliport | Cortez CO |
| 1CT0 | Norden Systems Heliport | Norwalk CT |
| 1CT2 | Yale New Haven Hospital Heliport | New Haven CT |
| 1CT3 | St Mary's Heliport | Waterbury CT |
| 1D1 | Milbank Muni Airport | Milbank SD |
| 1D2 | Canton-plymouth-mettetal Airport | Plymouth MI |
| 1D3 | Platte Muni Airport | Platte SD |
| 1D4 | Mayfield Airport | Akron OH |
| 1D6 | Hector Muni Airport | Hector MN |
| 1D7 | The Sigurd Anderson Airport | Webster SD |
| 1D8 | Redfield Muni Airport | Redfield SD |
| 1DE5 | Mckeown Airport | Middletown DE |
| 1DS | Dry Swamp Airport | Orangeburg SC |
| 1E2 | Terlingua Ranch Airport | Alpine TX |
| 1E4 | Palo Duro Airport | Amarillo TX |
| 1E7 | Buffalo Airport | Amarillo TX |
| 1E8 | Moores Airport | Degrasse NY |
| 1E9 | Maples Field Airport | Canyon TX |
| 1F0 | Ardmore Downtown Executive Airport | Ardmore OK |
| 1F1 | Lake Murray State Park Airport | Overbrook OK |
| 1F2 | Plateau Sky Ranch Airport | Edinburg NY |
| 1F4 | Madill Muni Airport | Madill OK |
| 1F5 | Hoxie-sheridan County Airport | Hoxie KS |
| 1F6 | Dolgeville Airport | Dolgeville NY |
| 1F7 | Airpark East Airport | Dallas TX |
| 1FA1 | Post Oak Ranch Airport | Crystal River FL |
| 1FA3 | Pine Island Airport | Fort Myers FL |
| 1FA5 | Palmetto General Hospital Heliport | Hialeah FL |
| 1FA9 | Villa Char Mar Airport | Fort Meade FL |
| 1FD0 | Lawrence Airport | Grand Ridge FL |
| 1FD3 | Jfk Medical Center Heliport | Atlantis FL |
| 1FD4 | Corkscrew Trace Airpark Airport | Estero FL |
| 1FD6 | Paines Prairie Heliport | Micanopy FL |
| 1FD7 | Pga National Heliport | Palm Beach Gardens FL |
| 1FD8 | Memorial Hospital-flagler Helistop Heliport | Palm Coast FL |
| 1FL0 | Garner Landing Seaplane Base | Auburndale FL |
| 1FL1 | America's Chopper Pilots Heliport | Kissimmee FL |
| 1FL2 | Lake City Medical Center Heliport | Lake City FL |
| 1FL3 | Z Ranch Airport | Lake City FL |
| 1FL4 | Nbc 6 (wtvj) Heliport | Miramar FL |
| 1FL5 | West Bay Creek Seaplane Base | West Bay FL |
| 1FL6 | Sheriff's North Multi District Office Heliport | Ocala FL |
| 1FL7 | Bartow Memorial Hospital Heliport | Bartow FL |
| 1FL8 | Cape Canaveral Hospital Heliport | Cocoa Beach FL |
| 1FL9 | Hendry County Fire-ems Heliport | La Belle FL |
| 1G0 | Wood County Airport | Bowling Green OH |
| 1G1 | Elyria Airport | Elyria OH |
| 1G3 | Kent State Univ Airport | Kent OH |
| 1G4 | Grand Canyon West Airport | Peach Springs AZ |
| 1G5 | Medina Muni Airport | Medina OH |
| 1G8 | Eddie Dew Memorial Airpark Airport | Toronto OH |
| 1GA0 | Eagle Neck Airport | Shellman Bluff GA |
| 1GA1 | Pratt And Whitney Aircraft Heliport | Columbus GA |
| 1GA2 | Flying N Estates Airport | Luthersville GA |
| 1GA3 | Union General Hospital Heliport | Blairsville GA |
| 1GA4 | Southern Ag Aviation Airport | Statesboro GA |
| 1GA5 | Shilo Farms Airport | Hahira GA |
| 1GA7 | Phoebe Sumter Heliport | Americus GA |
| 1GA8 | South One Ten Airport | Nashville GA |
| 1GA9 | Aerie Airport | Monroe GA |
| 1GE1 | Georgia Mountain Heliport | Blue Ridge GA |
| 1GE2 | C & W Air Park Airport | Woodland GA |
| 1GE3 | Answered Prayer Airport | Franklin GA |
| 1GE4 | Beckley Farms Airport | Fort Valley GA |
| 1GE5 | Flying D Airport | Concord GA |
| 1GE6 | Daystar Strip Airport | Patterson GA |
| 1GE7 | Hay Field Airport | Madison GA |
| 1GE8 | Grady Memorial Hospital Heliport | Atlanta GA |
| 1GE9 | Waverly Landing Airport | Waverly Hall GA |
| 1H0 | Creve Coeur Airport | St Louis MO |
| 1H1 | Airlane Enterprises Airport | Clay NY |
| 1H2 | Effingham County Memorial Airport | Effingham IL |
| 1H3 | Linn State Technical College Airport | Linn MO |
| 1H4 | Greenville-rainbow Airport | Greenville NY |
| 1H5 | Willow Springs Memorial Airport | Willow Springs MO |
| 1H6 | Harvey Young Airport | Tulsa OK |
| 1H8 | Casey Muni Airport | Casey IL |
| 1H9 | Nest Of Eagles Airport | Spooner WI |
| 1I1 | Marcy Field Airport | Keene NY |
| 1I3 | Shawnee Field Airport | Bloomfield IN |
| 1I5 | Freehold Airport | Freehold NY |
| 1I6 | Holiday Inn Lakeview Heliport | Clarksville IN |
| 1I7 | Clinton Airport | Clinton IN |
| 1I8 | Converse Airport | Converse IN |
| 1I9 | Delphi Muni Airport | Delphi IN |
| 1IA2 | Camp Tahigwa Landing Site Heliport | Dorchester IA |
| 1IA3 | Spencer Muni Hospital Heliport | Spencer IA |
| 1IA4 | Wallace Field Ultralight | Creston IA |
| 1IA5 | Sch Heliport | Nevada IA |
| 1IA7 | University Of Iowa Hospitals & Clinic Heliport | Iowa City IA |
| 1ID2 | Horseshoe Bend Heliport | Horseshoe Bend ID |
| 1ID3 | Beaux Ranch Field Airport | Sandpoint ID |
| 1ID4 | Red Baron Airpark Airport | Boise ID |
| 1ID5 | St Luke's Wood River Medical Center Heliport | Ketchum ID |
| 1ID6 | Sligars Landing Heliport | Kimberly ID |
| 1ID7 | Fairbanks Airfield Airport | Eden ID |
| 1ID8 | Gooding County Memorial Hospital Heliport | Gooding ID |
| 1ID9 | Skyline Airport | Inkom ID |
| 1II0 | Webster Airport | Homer IN |
| 1II5 | Van De Mark Airport | Culver IN |
| 1II6 | St Mary's Medical Center Heliport | Evansville IN |
| 1II7 | Parkview Memorial Hospital Heliport | Fort Wayne IN |
| 1IL0 | Barnstorm Field Airport | El Paso IL |
| 1IL1 | Horsefeathers Ranch Airport | Irving IL |
| 1IL3 | Alton Memorial Hospital Heliport | Alton IL |
| 1IL4 | Riebeling Airport | Millstadt IL |
| 1IL5 | Highland Heliport | Highland IL |
| 1IL6 | Bally's Strip Airport | Dixon IL |
| 1IL9 | Holland Field Airport | Mc Lean IL |
| 1IN0 | Belknap-icarus Acres Airport | Parker City IN |
| 1IN1 | Shearer Airport | Lewisville IN |
| 1IN2 | Meharry Ag Service Heliport | Wingate IN |
| 1IN3 | Confer's Place Airport | Arcola IN |
| 1IN4 | Robinson Airpark Airport | Elizabeth IN |
| 1IN5 | Bottoms Brothers Airport | Somerville IN |
| 1IN6 | Cottingham Airport | Pine Village IN |
| 1IN8 | Adderly's Pad Heliport | Fort Wayne IN |
| 1IN9 | Lee Farms Airport | Marion IN |
| 1IS2 | Triple Creek Airport | Bement IL |
| 1IS3 | Cribbet Airport | Blue Mound IL |
| 1IS4 | Swan Valley Farm Airport | Lanark IL |
| 1IS7 | Ingersoll Heliport | Rockford IL |
| 1J0 | Tri-county Airport | Bonifay FL |
| 1J6 | Bob Lee Flight Strip Airport | Deland FL |
| 1J9 | Fort Walton Beach Airport | Navarre FL |
| 1JY2 | Mahogany Mtn. Airport | Silver Lake OR |
| 1JY4 | Hamilton Headquarter Troop C Heliport | Trenton NJ |
| 1JY5 | Morey's Heliport | Wildwood NJ |
| 1K1 | Lloyd Stearman Field Airport | Benton KS |
| 1K2 | Lindsay Muni Airport | Lindsay OK |
| 1K4 | David Jay Perry Airport | Goldsby OK |
| 1K5 | Waynoka Muni Airport | Waynoka OK |
| 1K6 | Ellinwood Muni Airport | Ellinwood KS |
| 1K7 | Fredonia Airport | Fredonia KS |
| 1K8 | South Grand Lake Rgnl Airport | Ketchum OK |
| 1K9 | Satanta Muni Airport | Satanta KS |
| 1KC | Kalakaket Creek As Airport | Kalakaket Creek AK |
| 1KS1 | Cochran Airport | Richmond KS |
| 1KS2 | Risky Airport | Easton KS |
| 1KS3 | Leo's Place Airport | Riley KS |
| 1KS4 | Prichard Airstrip Airport | Enterprise KS |
| 1KS5 | Keyser Airport | St Marys KS |
| 1KS6 | Silers Plane Valley Airport | Salina KS |
| 1KS7 | Hitch Feeders Ii Inc. Airport | Satanta KS |
| 1KS8 | Buehler Airport | Scott City KS |
| 1KS9 | Huff Airport | Bonner Springs KS |
| 1KY0 | Sof Maintenance Site Heliport | Richmond KY |
| 1KY1 | Hardin Memorial Hospital Heliport | Elizabethtown KY |
| 1KY2 | Community Methodist Hospital Heliport | Henderson KY |
| 1KY3 | Monroe County Medical Center Heliport | Tompkinsville KY |
| 1KY4 | Central Baptist Hospital Heliport | Lexington KY |
| 1KY5 | Rockcastle Hospital Inc Heliport | Mt Vernon KY |
| 1KY6 | Haggin Heliport | Harrodsburg KY |
| 1KY7 | Jordan Hill Farm Airport | Richmond KY |
| 1KY8 | Norton Audubon Hospital Heliport | Louisville KY |
| 1KY9 | Arh Tri City Clinic Heliport | Cumberland KY |
| 1L0 | St John The Baptist Parish Airport | Reserve LA |
| 1L1 | Lincoln County Airport | Panaca NV |
| 1L3 | Searchlight Airport | Searchlight NV |
| 1L4 | Kidwell Airport | Cal Nev Ari NV |
| 1L7 | Escalante Muni Airport | Escalante UT |
| 1L8 | General Dick Stout Field Airport | Hurricane UT |
| 1L9 | Parowan Airport | Parowan UT |
| 1LA0 | Woman's Hospital Heliport | Baton Rouge LA |
| 1LA1 | Triche Field Airport | Hahnville LA |
| 1LA2 | Phi Harahan Heliport | Harahan LA |
| 1LA3 | Goose Island Airport | Hayes LA |
| 1LA4 | Ellerbe Field Airport | Shreveport LA |
| 1LA5 | Morrow Strip Airport | Morrow LA |
| 1LA6 | Highland Hospital Heliport | Shreveport LA |
| 1LA7 | Savoy Medical Center Heliport | Mamou LA |
| 1LA8 | S.fresh Water Bayou Heliport | Intracoastal City LA |
| 1LA9 | Chevron Intracoastal Heliport | Intracoastal City LA |
| 1LL1 | Lawrence Co Memorial Hospital Heliport | Lawrenceville IL |
| 1LL2 | Spring Brook Airport | Seneca IL |
| 1LL4 | Norfleet Airport | Monticello IL |
| 1LL5 | Justison Airport | Hillsboro IL |
| 1LL7 | Edwin G. Bennett Airport | Sheffield IL |
| 1LL8 | Zoomer Field Airport | Sheldon IL |
| 1LL9 | Reyhan Heliport | Loami IL |
| 1LS0 | Cal Mire Field Airport | Gonzales LA |
| 1LS1 | Cosmar Styrene Plant Heliport | Baton Rouge LA |
| 1LS2 | Innis Community Health Center Heliport | Innis LA |
| 1LS4 | Tulane Medical Center Heliport | New Orleans LA |
| 1LS5 | Cameron Airstrip Airport | Cameron LA |
| 1LS8 | Summerell Airport | Ferriday LA |
| 1M2 | Belzoni Muni Airport | Belzoni MS |
| 1M3 | Ardmore Airport | Ardmore AL |
| 1M4 | Posey Field Airport | Haleyville AL |
| 1M5 | Portland Muni Airport | Portland TN |
| 1M7 | Fulton Airport | Fulton KY |
| 1M8 | Myricks Airport | Berkley MA |
| 1M9 | Lake Barkley State Park Airport | Cadiz KY |
| 1MA0 | Jordan Hospital Heliport | Plymouth MA |
| 1MA1 | Nashoba Valley Medical Center Heliport | Ayer MA |
| 1MA2 | Umass Memorial Medical Center-univ Campus Heliport | Worcester MA |
| 1MA4 | Wang Heliport | Lowell MA |
| 1MA5 | Unknown Field Airport | Southborough MA |
| 1MA6 | Micron Heliport | Southwick MA |
| 1MA7 | Long Hill Orchard Heliport | West Newbury MA |
| 1MA8 | Horizon Hill Heliport | Lincoln MA |
| 1MA9 | Morton Hospital Heliport | Taunton MA |
| 1MD0 | Clng Cove Point Heliport | Lusby MD |
| 1MD1 | Big Oak Farm Airport | Cambridge MD |
| 1MD3 | Krastel Farms Airport | Kennedyville MD |
| 1MD4 | Prince George's Hospital Center Heliport | Cheverly MD |
| 1MD5 | Federal Support Center Heliport | Laytonsville MD |
| 1MD6 | Metroplex Heliport | New Carrollton MD |
| 1MD7 | Shady Grove Adventist Hospital Heliport | Rockville MD |
| 1MD8 | Mayberry Run Airport | Westminster/silver Run MD |
| 1ME | Chesuncook Lake House Seaplane Base | Chesuncook ME |
| 1ME1 | Victor Heliport | Belfast ME |
| 1MI0 | Ashman Island Seaplane Base | Drummond Island MI |
| 1MI1 | Nikkila Farms Airport | Mass MI |
| 1MI2 | Guardian Industries Heliport | Auburn Hills MI |
| 1MI3 | Black River Ranch Airport | Onaway MI |
| 1MI4 | Ernie's Field Airport | Hemlock MI |
| 1MI5 | Mckenzie's Landing Airport | Howell MI |
| 1MI6 | Trudeau Airport | Milan MI |
| 1MI8 | Vlachos Acres Airport | Hubbard MI |
| 1MI9 | Southfork Airport | Marquette MI |
| 1MN0 | Wetherbee Farm Airport | Tenney MN |
| 1MN2 | Hay Acres Airport | Akeley MN |
| 1MN3 | Northern Itasca Health Care Center Heliport | Bigfork MN |
| 1MN5 | Molnau Airpark Airport | Waconia MN |
| 1MN6 | Cook Hospital Heliport | Cook MN |
| 1MN7 | Cuyuna Rgnl Medical Center Heliport | Crosby MN |
| 1MN8 | Sky Harbor Residential Airpark Airport | Webster MN |
| 1MN9 | Jackson Medical Center Heliport | Jackson MN |
| 1MO | Mountain Grove Memorial Airport | Mountain Grove MO |
| 1MO1 | St Joseph Hospital Heliport | Kirkwood MO |
| 1MO2 | Windsoar Airport | Windsor MO |
| 1MO3 | Lake Viking Airport | Gallatin MO |
| 1MO4 | Landmark Mfg Corporation Airport | Gallatin MO |
| 1MO6 | Double S Ranch Airport | Grandin MO |
| 1MO7 | Hines Airport | Gorin MO |
| 1MO8 | Sherlock Field Airport | Gravois Mills MO |
| 1MS0 | Tapley Airport | Shaw MS |
| 1MS1 | Neshoba General Hospital Heliport | Philadelphia MS |
| 1MS2 | Peterson Airport | Goodman MS |
| 1MS3 | Montfort Jones Memorial Hospital Heliport | Kosciusko MS |
| 1MS4 | Central Mississippi Medical Center Heliport | Jackson MS |
| 1MS6 | Eagles Ridge Airport | Hernando MS |
| 1MS7 | Smith County General Hospital Heliport | Raleigh MS |
| 1MS8 | Columbus Afb Aux Field Airport | Shuqualak MS |
| 1MT0 | Nine Quarter Circle Ranch Airport | Gallatin Gateway MT |
| 1MT1 | Krinitt Helicopters Heliport | Belgrade MT |
| 1MT2 | Skyrider Ultralight | Billings MT |
| 1MT3 | Wood Strip Airport | Elliston MT |
| 1MT4 | Lonewood Meadows Airport | Helena MT |
| 1MT5 | Holy Rosary Heliport | Miles City MT |
| 1MT6 | Bobcat Fld Airport | Philipsburg MT |
| 1MT7 | Prill Field Airport | Sand Coulee MT |
| 1MT8 | St. James Heliport | Butte MT |
| 1MT9 | Wilcox Airport | Billings MT |
| 1MU0 | Medcalf Field Airport | Republic MO |
| 1MU2 | Smitty's Landing Airport | Ridgely MO |
| 1MU3 | Putnam County Memorial Hospital Heliport | Unionville MO |
| 1MU4 | Short Air Airport | Warrensburg MO |
| 1MU7 | Mooseberry Airport | Jackson MO |
| 1MU8 | Church's Landing Airport | Rushville MO |
| 1MU9 | Nielsens Med Evac Heliport | Saint Charles MO |
| 1MY1 | Carlson Ag Airport | Wendell MN |
| 1N1 | Sandia Airpark Estates East Airport | Edgewood NM |
| 1N2 | Spadaro Airport | East Moriches NY |
| 1N3 | Albert Airport | Philipsburg PA |
| 1N5 | Bennett Airport | Salisbury MD |
| 1N7 | Blairstown Airport | Blairstown NJ |
| 1NA5 | Gienger/box Bar Ranch Airport | Streeter ND |
| 1NA8 | Preszler Airstrip Airport | Braddock ND |
| 1NC0 | Delk's Airport | Asheboro NC |
| 1NC1 | Ron's Ultralight Field Ultralight | Pittsboro NC |
| 1NC2 | Atwell Airport | Mooresville NC |
| 1NC3 | Fletcher's Airport | Elizabeth City NC |
| 1NC4 | Bell Strip Airport | Pollocksville NC |
| 1NC5 | Riley Field Airport | Bunn NC |
| 1NC6 | Arant Airport | Wingate NC |
| 1NC7 | Diamond Creek #1 Heliport | Banner Elk NC |
| 1NC8 | Lonesome Field Airport | Richfield NC |
| 1NC9 | Northbrook Intl Ultraport Ultralight | Cherryville NC |
| 1ND4 | Walkinshaw Airport | Argusville ND |
| 1ND7 | Dittmer Airport | Lynchburg ND |
| 1NE0 | Higgins Bros Airport | Brownlee NE |
| 1NE1 | Paul Ridder Ranch Airport | Callaway NE |
| 1NE2 | Witthuhn Airport | Callaway NE |
| 1NE5 | Sibbernsen Airport | Washington NE |
| 1NE6 | Miller Airstrip Airport | Dalton NE |
| 1NJ0 | Jersey Turnpike Heliport | New Brunswick NJ |
| 1NJ1 | Rutger's Helistop Sec. A & B Heliport | New Brunswick NJ |
| 1NJ2 | New Brunswick Gas Distn Heliport | New Brunswick NJ |
| 1NJ4 | Rutgers Helistop Nr 1 Heliport | New Brunswick NJ |
| 1NJ5 | Milana Heliport | Blairstown NJ |
| 1NJ6 | Idylease Helistop Heliport | Newfoundland NJ |
| 1NJ7 | Skytop Farms Heliport | Towaco NJ |
| 1NJ9 | Air Tractor Heliport | Sussex NJ |
| 1NK0 | Roxbury Runway Airport | Roxbury NY |
| 1NK1 | Stone Ridge Heliport | Stone Ridge NY |
| 1NK3 | Troy Armory Heliport | Troy NY |
| 1NK4 | Wagstaff Heliport | West Islip NY |
| 1NK6 | Catalano Airfield Airport | Wilmington NY |
| 1NK7 | Boonville Inc Airport | Boonville NY |
| 1NK8 | Chenango Bridge Airport | Binghamton NY |
| 1NK9 | Huntington Emergency Helistop Heliport | Huntington NY |
| 1NM0 | Me-own Airport | Silver City NM |
| 1NR1 | Chowan Hospital Heliport | Edenton NC |
| 1NV1 | Fallon Southwest Airpark Airport | Fallon NV |
| 1NY0 | Woodlawn Beach State Park Heliport | Hamburg NY |
| 1NY3 | Richland Airport | Richland NY |
| 1NY4 | High Banks Farm Landing Area Airport | Saranac NY |
| 1NY5 | Sherman Field Airport | Poughkeepsie NY |
| 1NY6 | Tgp-249 Heliport | Carlisle NY |
| 1NY9 | Caughdenoy Airport | Caughdenoy NY |
| 1O0 | Lake Woahink Seaplane Base | Florence OR |
| 1O1 | Grandfield Muni Airport | Grandfield OK |
| 1O2 | Lampson Field Airport | Lakeport CA |
| 1O3 | Lodi Airport | Lodi CA |
| 1O4 | Thomas Muni Airport | Thomas OK |
| 1O5 | Montague-yreka Rohrer Field Airport | Montague CA |
| 1O6 | Dunsmuir Muni-mott Airport | Dunsmuir CA |
| 1O8 | Tipton Muni Airport | Tipton OK |
| 1OA1 | Bashore Airport | Pleasant Hill OH |
| 1OA2 | Mole Airport | Grafton OH |
| 1OA3 | Barnett Airpark Airport | Blanchester OH |
| 1OA4 | Kepes Flying Field Airport | Springfield OH |
| 1OA7 | Yoder Airport | Louisville OH |
| 1OA8 | Erdy Farm Airport | Kilbourne OH |
| 1OG1 | Mercy Hospital Heliport | Roseburg OR |
| 1OH0 | Clinton Memorial Hospital Heliport | Wilmington OH |
| 1OH1 | S And S Fld Airport | Quincy OH |
| 1OH2 | Dougherty Airport | Bellevue OH |
| 1OH3 | Mather Field Airport | Castalia OH |
| 1OH5 | Minit-men Inc Heliport | San Marghareta OH |
| 1OH6 | Odot Heliport | Sidney OH |
| 1OH8 | Lisbon Airfield Airport | South Charleston OH |
| 1OH9 | Lewis Airport | Peebles OH |
| 1OI0 | Manairco Heliport | Mansfield OH |
| 1OI4 | Som Jackson Heliport | Moreland Hills OH |
| 1OI6 | Stone Airport | New Lebanon OH |
| 1OI9 | Mc Colloch's Airport | Piqua OH |
| 1OK0 | Neversweat Airport | Bristow OK |
| 1OK2 | Wyatt Airport | Goldsby OK |
| 1OK3 | Wolfe Field Airport | Bray OK |
| 1OK4 | Mc Curtain Memorial Hospital Heliport | Idabel OK |
| 1OK5 | Hohman Airport | Lone Wolf OK |
| 1OK7 | Grimes Airport | Maysville OK |
| 1OK8 | 5b Ranch Airport | Edmond OK |
| 1OK9 | Hankins Airport | Marietta OK |
| 1OL2 | Steciak Strip Airport | Harrah OK |
| 1OR0 | Sunnyhill Airport | North Bend OR |
| 1OR1 | Chehalem Mountain Heliport | Newberg OR |
| 1OR2 | Menasha Pad Heliport | North Bend OR |
| 1OR3 | Sunset Air Strip Airport | North Plains OR |
| 1OR4 | North Plains Gliderport | North Plains OR |
| 1OR7 | Skyhill Airport | Oregon City OR |
| 1OR9 | Providence Willamette Falls Medical Center Heliport | Oregon City OR |
| 1P1 | Plymouth Muni Airport | Plymouth NH |
| 1PA0 | Hinaman Acres Airport | Jersey Shore PA |
| 1PA1 | 401 City Avenue Heliport | Philadelphia PA |
| 1PA2 | St Christopher's Hospital For Children Heliport | Philadelphia PA |
| 1PA3 | Ridgeview Airport | Kellers Church PA |
| 1PA4 | Wagner Airport | Lewistown PA |
| 1PA5 | Beaver Creek Ultralight | New Galilee PA |
| 1PA6 | Whittle Airport | Kennett Square PA |
| 1PA7 | Philmont Heliport | Huntington Valley PA |
| 1PA8 | Motola's Helicopter Service Inc. Heliport | Lehighton PA |
| 1PA9 | Schadels Airport | Klingerstown PA |
| 1PN0 | Bentley Airport | Pottstown PA |
| 1PN1 | Napodano Airport | Transfer PA |
| 1PN2 | Green Hills Corp Heliport | Reading PA |
| 1PN4 | Fulton County Medical Center Heliport | Mcconnellsburg PA |
| 1PN5 | Lehigh Valley Health Network Kutztown Heliport | Kutztown PA |
| 1PN7 | Leukhardt's Landing Airport | Mount Pleasant PA |
| 1PR3 | San Patricio Heliport | Guaynabo PR |
| 1PS0 | Ickes Airport | Osterburg PA |
| 1PS1 | Hermitage Central Fire Station Heliport | Hermitage PA |
| 1PS3 | P J Valves Heliport | Myerstown PA |
| 1PS4 | Sankey Airport | Osceola Mills PA |
| 1PS6 | Aria Health-torresdale Division Heliport | Philadelphia PA |
| 1PS7 | Hahnemann Heliport | Philadelphia PA |
| 1PS8 | Punxsutawney Area Hospital Heliport | Punxsutawney PA |
| 1PS9 | Wicker & Wings Aerodrome Airport | Trumbauersville PA |
| 1Q1 | Eckert Field Airport | Strathmore CA |
| 1Q2 | Spaulding Airport | Susanville CA |
| 1Q4 | New Jerusalem Airport | Tracy CA |
| 1Q5 | Gravelly Valley Airport | Upper Lake CA |
| 1R1 | Jena Airport | Jena LA |
| 1R4 | Woodworth Airport | Woodworth LA |
| 1R7 | Brookhaven-lincoln County Airport | Brookhaven MS |
| 1R8 | Bay Minette Muni Airport | Bay Minette AL |
| 1RL | Point Roberts Airpark Airport | Point Roberts WA |
| 1S1 | Eckhart Intl Airport | Porthill ID |
| 1S2 | Darrington Muni Airport | Darrington WA |
| 1S3 | Tillitt Field Airport | Forsyth MT |
| 1S4 | Seiling Airport | Seiling OK |
| 1S5 | Sunnyside Muni Airport | Sunnyside WA |
| 1S6 | Priest River Muni Airport | Priest River ID |
| 1S7 | Slate Creek Airport | Slate Creek ID |
| 1S8 | Arlington Muni Airport | Arlington OR |
| 1S9 | Sand Canyon Airport | Chewelah WA |
| 1SC2 | Gwinn Field Airport | Hopkins SC |
| 1SD0 | Dorsey Ranch Airport | Glad Valley SD |
| 1SD1 | Burke Field Airport | Scotland SD |
| 1SD3 | Turkey Ridge Airport | Hurley SD |
| 1SD4 | Vig Limousin Airport | Faith SD |
| 1SD5 | Drake Farm Airport | White Lake SD |
| 1SD6 | Bogner No Ii Airport | Oelrich's SD |
| 1SD7 | Rosebud Comprehensive Health Care Facility Heliport | Rosebud SD |
| 1SD8 | Tribitt Airport | Albee SD |
| 1SD9 | Sanford Usd Medical Center Heliport | Sioux Falls SD |
| 1T7 | Kestrel Airpark Airport | San Antonio TX |
| 1T8 | Bulverde Airpark Airport | San Antonio TX |
| 1TA0 | Fina Bayport Heliport | Seabrook TX |
| 1TA2 | Vigo Park Airport | Tulia TX |
| 1TA3 | D W C Heliport | Alvin TX |
| 1TA4 | Last Resort Airport | Crockett TX |
| 1TA5 | Two Leggs Airport | Denver City TX |
| 1TA6 | Morningstar Ranch Heliport | Whitesboro TX |
| 1TA7 | Thompson Field Airport | Canton TX |
| 1TA9 | Ktrk Tv Station Heliport | Houston TX |
| 1TE0 | Locker Brothers Airport | Muleshoe TX |
| 1TE1 | Briscoes Catarina Ranch Airport | Catarina TX |
| 1TE3 | Bolton Airport | Jacksonville TX |
| 1TE4 | Zuehl Airport | Marion TX |
| 1TE5 | Corpora Airport | Hearne TX |
| 1TE6 | Moore Airport | Wildorado TX |
| 1TE7 | Ray Farm Airport | Floresville TX |
| 1TE8 | Kahuna Bay Airport | Howe TX |
| 1TE9 | Rmr Ranch Airport | Franklin TX |
| 1TN0 | Cedar Crest Field Airport | Lebanon TN |
| 1TN2 | Kay Airport | Rogersville TN |
| 1TN3 | Wagner Field Airport | Belvidere TN |
| 1TN4 | Methodist Healthcare Heliport | Dyersburg TN |
| 1TN5 | Maury Rgnl Hospital Heliport | Columbia TN |
| 1TN7 | Brendle's Heliport | Kingsport TN |
| 1TN8 | Into The Wind Airport | Seymour TN |
| 1TN9 | Rutledge Falls Heliport | Manchester TN |
| 1TS0 | Eagle Air Airport | Oak Island TX |
| 1TS1 | Laas Farm Airport | Pattison TX |
| 1TS2 | Bar 16 Airport | Hubbard TX |
| 1TS3 | B & S Ultralight | San Leon TX |
| 1TS4 | Eds Hangar Heliport | Plano TX |
| 1TS5 | Sugar Grove Heliport | Stafford TX |
| 1TS6 | Dentonio Ranch Airport | Carrizo Springs TX |
| 1TS7 | Cig 804 Heliport | Refugio TX |
| 1TS8 | Landers Ranch Airport | Colorado City TX |
| 1TX0 | Lytle Airpark Airport | Lytle TX |
| 1TX1 | Dallas Cowboys Heliport | Arlington TX |
| 1TX2 | J Y Ranch-r B Masterson Iii Estate Airport | Guthrie TX |
| 1TX3 | Beggs Ranch Airport | Guthrie TX |
| 1TX4 | New Gulf Airport | New Gulf TX |
| 1TX5 | Laney Farm Airport | Hale Center TX |
| 1TX6 | Muxworthy Airport | Hamilton TX |
| 1TX7 | Killion Ranch Airport | Hamlin TX |
| 1TX8 | Hart Aerial Airport | Hart TX |
| 1TX9 | Hawk Ranch Airport | Hawkins TX |
| 1U0 | Bear Trap Airport | Minidoka ID |
| 1U1 | Moose Creek /usfs/ Airport | Moose Creek Ranger Station ID |
| 1U2 | Mud Lake/west Jefferson County/ Airport | Mud Lake ID |
| 1U3 | Murphy Airport | Murphy ID |
| 1U4 | New Meadows Airport | New Meadows ID |
| 1U6 | Oakley Muni Airport | Oakley ID |
| 1U7 | Bear Lake County Airport | Paris ID |
| 1U9 | Pine Airport | Pine ID |
| 1UT9 | Tri-arc Heliport | Salt Lake City UT |
| 1V0 | Navajo Lake Airport | Navajo Dam NM |
| 1V2 | Grant County Airport | Hyannis NE |
| 1V6 | Fremont County Airport | Canon City CO |
| 1V8 | Leach Airport | Center CO |
| 1VA0 | Sabot Airport | Sabot VA |
| 1VA1 | Micro Airport | Stuart VA |
| 1VA2 | Lewis Gale Clinic Inc. Heliport | Salem VA |
| 1VA3 | Tye River Airport | Lovingston VA |
| 1VA4 | Evergreen Heliport | Marshall VA |
| 1VA5 | Hoffman's Farm Airport | Severn VA |
| 1VA7 | Aaron Penston Fld Airport | South Boston VA |
| 1VA8 | Hazelswart Airport | Chase City VA |
| 1VA9 | Flying T Farm Airport | Stafford VA |
| 1VG2 | Whithall Farm Airport | Montross VA |
| 1VT8 | Mortimer Brown Landing Airport | Castleton VT |
| 1W1 | Grove Field Airport | Camas WA |
| 1W3 | Mexico Farms Airport | Cumberland MD |
| 1WA0 | Legacy Salmon Creek Hospital Heliport | Vancouver WA |
| 1WA1 | Weber Point Heliport | Redmond WA |
| 1WA2 | Pilot's Pastures Airport | Winlock WA |
| 1WA3 | Calkins Equipment Company Heliport | Everett WA |
| 1WA4 | Providence Hospital Heliport | Everett WA |
| 1WA5 | General Hospital Of Everett Heliport | Everett WA |
| 1WA6 | Fall City Airport | Fall City WA |
| 1WA7 | Raincreek Heliport | Cougar WA |
| 1WA8 | Madigan Hospital Heliport | Fort Lewis WA |
| 1WA9 | Friday West Airport | Friday Harbor WA |
| 1WF | Waco Field Airport | Troy OH |
| 1WI1 | Williams Airport | Oshkosh WI |
| 1WI2 | Flying S Ranch Airport | Port Washington WI |
| 1WI3 | Buzzy Field Airport | Evansville WI |
| 1WI4 | Johnson Wax Heliport | Racine WI |
| 1WI5 | Beaver Dam Lake Seaplane Base | Randolph WI |
| 1WI6 | Aero Estates Airport | Raymond Township WI |
| 1WI7 | Buzzards Roost Airport | Redgranite WI |
| 1WI8 | Jorgensen - Stoller Airport | Algoma WI |
| 1WI9 | Blackhawk Island Airport | Fort Atkinson WI |
| 1WN0 | Schmidt Ranch Airport | Northport WA |
| 1WN1 | Kettle Moraine Airport | Dundee WI |
| 1WN2 | Covered Bridge Fields Airport | Cedarburg WI |
| 1WN3 | Danielson Field Airport | Star Prairie WI |
| 1WN5 | Simons Airfield Ultralight | Land-o-lakes WI |
| 1WT6 | Overlake Hospital Ems Heliport | Bellevue WA |
| 1WV0 | Potomac Valley Hospital Heliport | Keyser WV |
| 1X1 | Higgins-lipscomb County Airport | Higgins TX |
| 1XA0 | Rab Ranch Airport | Andice TX |
| 1XA1 | Sky Acres Airport | Bowie TX |
| 1XA2 | Chase Field Industrial Airport | Beeville TX |
| 1XA3 | Christus Spohn South Heliport | Corpus Christi TX |
| 1XA4 | Mikeska Field Airport | Brookshire TX |
| 1XA5 | Flying Armadillo Field Airport | Paige TX |
| 1XA6 | Tailwheel Acres Airport | Valley View TX |
| 1XA7 | Gloster Aerodrome Airport | Sealy TX |
| 1XA8 | Hackberry Airport | Chatfield TX |
| 1XA9 | Life Flight North Fuel Heliport | Tomball TX |
| 1XS0 | Double U Ranch Airport | Spring Branch TX |
| 1XS1 | Dunham Field Airport | Crosby TX |
| 1XS2 | Skye Dance Airport | Elgin TX |
| 1XS3 | John Peter Smith Health Network Heliport | Fort Worth TX |
| 1XS5 | Austin Diagnostic Medical Center Heliport | Austin TX |
| 1XS6 | Hillcrest Baptist Hospital Heliport | Waco TX |
| 1XS7 | Heath Canyon Airport | Terlingua TX |
| 1XS8 | Pinon Ranch Airport | Brackettville TX |
| 1XS9 | Beefmaster's Best Airport | Three Rivers TX |
| 1Y3 | Judge Lewis Fld Mt Ayr Muni Airport | Mount Ayr IA |
| 1Y5 | New Hampton Muni Airport | New Hampton IA |
| 1Y9 | Paullina Muni Airport | Paullina IA |
| 1Z1 | Grand Canyon Bar Ten Airstrip Airport | Whitmore AZ |
| 1Z9 | Ellamar Seaplane Base | Ellamar AK |
