| Code Airport | Name | City | Country |
| AAP | Andrau Airpark | Houston | United States |
| ABE | Allentown Bethlehem Easton Arpt | Allentown | United States |
| ABI | Abilene Municipal Arpt | Abilene | United States |
| ABL | AMBLER AIRPORT | AMBLER | United States |
| ABQ | Albuquerque Intl Arpt | Albuquerque | United States |
| ABR | Aberdeen Arpt | Aberdeen | United States |
| YUM | Yuma Intl | Yuma | United States |
| ZRF | Peoria Rockford Bus Terminal | Rockford | United States |
| XNA | Northwest Arkansas Regional | Northwest Arkansas Regional | United States |
| YAK | Yakutat | Yakutat | United States |
| YIP | Willow Run Arpt | Detroit | United States |
| YKM | Yakima Terminal Arpt | Yakima | United States |
| YKN | Chan Gurney Municipal | Yankton | United States |
| YNG | Youngstown Municipal | Youngstown | United States |
| WTL | Tuntatuliak Airport | Tuntatuliak | United States |
| WVL | Robert La Fleur Arpt | Waterville | United States |
| WWD | Cape May Arpt | Cape May | United States |
| WWP | North Whale Seaplane Base | Whale Pass | United States |
| WWT | Newtok Seaplane Base | Newtok | United States |
| WYS | West Yellowstone Arpt | West Yellowstone | United States |
| WRG | Wrangell Airport | Wrangell | United States |
| WRL | Worland Municipal | Worland | United States |
| WSN | South Naknek Number 2 Airport | South Naknek | United States |
| WST | Westerly Municipal | Westerly | United States |
| WSX | Westsound Seaplane Base | Westsound | United States |
| WTK | Noatak Airport | Noatak | United States |
| WLD | Arkansas City Arpt | Winfield | United States |
| WLK | Selawik Airport | Selawik | United States |
| WMH | Mountain Home Arpt | Mountain Home | United States |
| WMK | Meyers Chuck Seaplane Base | Meyers Chuck | United States |
| WMO | White Mountain Airport | White Mountain | United States |
| WNA | Napakiak Airport | Napakiak | United States |
| WBU | Boulder | Boulder | United States |
| WDG | Woodring Municipal | Enid | United States |
| WEA | Parker County Airport | Weatherford | United States |
| WGO | Winchester Arpt | Winchester | United States |
| WJF | Williams J Fox Arpt | Lancaster | United States |
| WKK | Aleknagik Airport | Aleknagik | United States |
| VRB | Vero Beach Municipal Arpt | Vero Beach | United States |
| VYS | Illinois Valley Regional Arpt | Peru | United States |
| WAA | Wales Airport | Wales | United States |
| WAS | All Washington Area Airports | Washington | United States |
| WBB | Stebbins Airport | Stebbins | United States |
| WBQ | Beaver Airport | Beaver | United States |
| VKS | Vicksburg Arpt | Vicksburg | United States |
| VLD | Valdosta Regional | Valdosta | United States |
| VLO | Stolport Arpt | Vallejo | United States |
| VNY | Los Angeles Van Nuys Arpt | Los Angeles | United States |
| VPS | Okaloosa Cty Arpt | Fort Walton Beach | United States |
| VPZ | Porter County | Valparaiso | United States |
| VEE | Venetie Airport | Venetie | United States |
| VEL | Vernal Municipal | Vernal | United States |
| VGT | Las Vegas North Air Terminal | Las Vegas | United States |
| VHN | Culberson Cty Arpt | Van Horn | United States |
| VIS | Visalia Municipal | Visalia | United States |
| VJI | Virginia Highlands Arpt | Abingdon | United States |
| UTO | Indian Mountain LRRS | Utopia Creek | United States |
| VAK | Chevak Airport | Chevak | United States |
| VCT | Victoria Regional Arpt | Victoria | United States |
| VCV | George AFB | Victorville | United States |
| VDI | Vidalia Municipal Arpt | Vidalia | United States |
| VDZ | Valdez Municipal Arpt | Valdez | United States |
| UGN | Memorial Arpt | Waukegan | United States |
| UIN | Baldwin Field | Quincy | United States |
| UIZ | Berz Macomb Arpt | Detroit | United States |
| UKT | Upper Bucks Arpt | Quakertown | United States |
| UNK | Unalakleet Airport | Unalakleet | United States |
| UOX | University Oxford | University Oxford | United States |
| TYR | Pounds Field | Tyler | United States |
| TYS | McGhee Tyson Arpt | Knoxville | United States |
| UBS | Lowndes Cty Arpt | Columbus | United States |
| UCA | Oneida County Arpt | Utica | United States |
| UDD | Bermuda Dunes Arpt | Palm Desert | United States |
| UGB | Ugashik Bay Airport | Pilot Point | United States |
| TVF | Thief River Falls Numicipal | Thief River Falls | United States |
| TVI | Santa Cruzde Airports | Thomasville | United States |
| TVL | Lake Tahoe Arpt | Lake Tahoe | United States |
| TWA | Twin Hills Airport | Twin Hills | United States |
| TWF | Sun Valley Regional | Twin Falls | United States |
| TXK | Texarkana Municipal | Texarkana | United States |
| TTD | Troutdale Arpt | Troutdale | United States |
| TTN | Mercer Cty | Trenton | United States |
| TUL | Tulsa Intl | Tulsa | United States |
| TUP | C D Lemons Municipal | Tupelo | United States |
| TUS | Tucson Intl Arpt | Tucson | United States |
| TVC | Cherry Capital Arpt | Traverse City | United States |
| TPF | Peter O Knight Arpt | Tampa | United States |
| TPL | Temple Arpt | Temple | United States |
| TRI | Tri City Regional Arpt | Bristol | United States |
| TRL | Terrell Field Arpt | Terrell | United States |
| TSM | Taos Airport | Taos | United States |
| TSS | East 34th St Hlpt | New York | United States |
| TNC | Tin City LRRS | Tin City | United States |
| TNK | Tununak Airport | Tununak | United States |
| TOG | Togiak Airport | Togiak | United States |
| TOL | Toledo Express Arpt | Toledo | United States |
| TOP | Phillip Billard Arpt | Topeka | United States |
| TPA | Tampa Intl | Tampa | United States |
| TKF | Truckee Airport | Reno | United States |
| TKJ | Tok Arpt | Tok Ak | United States |
| TLH | Tallahassee Municipal | Tallahassee | United States |
| TLT | Tuluksak Airport | Tuluksak | United States |
| TMA | Henry Tift Myers Arpt | Tifton | United States |
| TMB | Tamiami Airport | Miami | United States |
| TEH | Tetlin Airport | Tetlin | United States |
| TEX | Telluride Municipal Arpt | Telluride | United States |
| THV | York Arpt | York | United States |
| TIW | Tacoma Industrial Arpt | Tacoma | United States |
| TIX | Space Center Executive Arpt | Titusville | United States |
| TKE | Tenakee Seaplane Base | Tenakee Springs | United States |
| TAD | Las Animas Arpt | Pueblo | United States |
| TAL | Ralph M. Calhoun Memorial Airport | Tanana | United States |
| TBN | Forney Field | Fort Leonard Wood | United States |
| TCL | Van De Graff Arpt | Tuscaloosa | United States |
| TCT | Takotna Airport | Takotna | United States |
| TDW | Tradewind Airport | Amarillo | United States |
| SWD | Seward Airport | Seward | United States |
| SWF | Stewart Airport | Newburgh | United States |
| SWO | Searcy Fld | Stillwater | United States |
| SXC | Catalina Arpt | Catalina Island | United States |
| SXP | Sheldon Point Airport | Sheldon Point | United States |
| SYR | Hancock Intl | Syracuse | United States |
| SUW | Richard I Bong Arpt | Superior | United States |
| SUX | Sioux Gateway Arpt | Sioux City | United States |
| SVA | Savoonga Airport | Savoonga | United States |
| SVC | Grant County Airport | Silver City | United States |
| SVH | Statesville Municipal Arpt | Statesville | United States |
| SVS | WICHITA FALLS | WICHITA FALLS | United States |
| STS | Sonoma Cty Arpt | Santa Rosa | United States |
| SUA | Witham Field | Stuart | United States |
| SUE | Door Country Arpt | Sturgeon Bay | United States |
| SUM | Sumter Municipal Arpt | Sumter | United States |
| SUN | Friedman Memorial | Sun Valley | United States |
| SUS | Spirit Of St Louis Arpt | St Louis | United States |
| SSI | McKinnon Arpt | St Simons Island | United States |
| STC | Saint Cloud Municipal | Saint Cloud | United States |
| STE | Stevens Point Municipal | Stevens Point | United States |
| STG | St George Airport | St George Island | United States |
| STL | Lambert St Louis Intl | St Louis | United States |
| STP | Downtown St Paul Arpt | St Paul | United States |
| SPS | Wichita Falls Municipal Arpt | Wichita Falls | United States |
| SPW | Spencer Municipal | Spencer | United States |
| SPZ | Springdale Municipal Arpt | Springdale | United States |
| SQI | Whiteside Cty Municipal | Sterling | United States |
| SRQ | Sarasota Bradenton Arpt | Sarasota | United States |
| SRV | Stony River 2 Airport | Stony River | United States |
| SNY | Sidney Municipal | Sidney | United States |
| SOP | Pinehurst Arpt | Pinehurst | United States |
| SOW | Show Low Arpt | Show Low | United States |
| SPA | Downtown Memorial | Greenville | United States |
| SPG | Whitted Airport | St Petersburg | United States |
| SPI | Capital Airport | Springfield | United States |
| SMO | Santa Monica Municipal Arpt | Los Angeles | United States |
| SMX | Santa Maria Public Arpt | Santa Maria | United States |
| SNA | John Wayne Intl Orange County Arpt | Santa Ana | United States |
| SNL | Shawnee Airport | Shawnee | United States |
| SNP | St Paul Island Airport | St Paul Island | United States |
| SNS | Salinas Arpt | Salinas | United States |
| SLK | Adirondack Arpt | Saranac Lake | United States |
| SLN | Salina Municipal | Salina | United States |
| SLQ | Sleetmute Airport | Sleetmute | United States |
| SME | Pulaski County Arpt | Somerset | United States |
| SMF | Sacramento Metropolitan | Sacramento | United States |
| SMK | St Michael Airport | St Michael | United States |
| SJC | San Jose Intl Arpt | San Jose | United States |
| SJT | Mathis Field | San Angelo | United States |
| SKK | Shaktoolik Airport | Shaktoolik | United States |
| SKY | Griffing Sandusky Arpt | Sandusky | United States |
| SLC | Salt Lake City Intl Arpt | Salt Lake City | United States |
| SLE | McNary Field | Salem | United States |
| SHG | Shungnak Airport | Shungnak | United States |
| SHH | Shishmaref New Airport | Shishmaref | United States |
| SHR | Sheridan Cty Arpt | Sheridan | United States |
| SHV | Shreveport Regional Arpt | Shreveport | United States |
| SHX | Shageluk Airport | Shageluk | United States |
| SIT | Sitka Airport | Sitka | United States |
| SFO | San Francisco Intl Arpt | San Francisco | United States |
| SGF | Springfield Branson Regional Arpt | Springfield | United States |
| SGR | Hull Field Arpt | Sugar Land | United States |
| SGU | Saint George Municipal Arpt | Saint George | United States |
| SGY | Skagway Airport | Skagway | United States |
| SHD | Shenahoah Valley Regional | Staunton | United States |
| SDX | Sedona Arpt | Sedona | United States |
| SDY | Sidney-Richland Municipal Airport | Sidney | United States |
| SEA | Seattle Tacoma Intl Arpt | Seattle | United States |
| SEF | Air Terminal Arpt | Sebring | United States |
| SFB | Central Florida Regional Arpt | Sanford | United States |
| SFF | Felts Field | Spokane | United States |
| SCF | Scottsdale Municipal Arpt | Scottsdale | United States |
| SCK | Stockton Metro Arpt | Stockton | United States |
| SCM | Scammon Bay Airport | Scammon Bay | United States |
| SDF | Standiford Fld | Louisville | United States |
| SDM | Brown Fld Municipal | San Diego | United States |
| SDP | Sand Point Airport | Sand Point | United States |
| SBN | Michiana Regional Arpt | South Bend | United States |
| SBP | San Luis Obispo Cty Arpt | San Luis Obispo | United States |
| SBS | Steamboat Arpt | Steamboat Springs | United States |
| SBY | Salisbury Wicomico Cty Arpt | Salisbury | United States |
| SCC | Deadhorse Airport | Prudhoe Bay | United States |
| SCE | Univ Park Arpt | State College | United States |
| SAF | Santa Fe Municipal | Santa Fe | United States |
| SAN | Lindbergh Intl Arpt | San Diego | United States |
| SAT | San Antonio Intl | San Antonio | United States |
| SAV | Travis Field | Savannah | United States |
| SBA | Santa Barbara Arpt | Santa Barbara | United States |
| SBM | Sheboygan Arpt | Sheboygan | United States |
| RVR | Green River Arpt | Green River | United States |
| RWI | Wilson Arpt | Rocky Mount | United States |
| RWL | Rawlins Municipal | Rawlins | United States |
| RZZ | Halifax Cty Arpt | Roanoke Rapids | United States |
| SAA | Lar Shively Arpt | Laramie | United States |
| SAC | Sacramento Executive Arpt | Sacramento | United States |
| RSJ | Rosario Seaplane Base | Rosario | United States |
| RST | Rochester Municipal | Rochester | United States |
| RSW | Regional Southwest Arpt | Fort Myers | United States |
| RTN | Crews Fld | Raton | United States |
| RUI | Ruidoso Municipal Arpt | Ruidoso | United States |
| RUT | Rutland Arpt | Rutland | United States |
| RMP | Rampart Airport | Rampart | United States |
| RNO | Reno Tahoe Intl Arpt | Reno | United States |
| ROA | Roanoke Regional Arpt | Roanoke | United States |
| ROC | Monroe Cty Arpt New York | Rochester | United States |
| ROW | Industrial Aircenter | Roswell | United States |
| RSH | Russian Mission Airport | Russian Mission | United States |
| RIL | Garfield Cty Arpt | Rifle | United States |
| RIW | Riverton Municipal | Riverton | United States |
| RKD | Rockland Arpt | Rockland | United States |
| RKP | Aransas County Arpt | Corpus Christi | United States |
| RKS | Rock Springs Municipal | Rock Springs | United States |
| RMG | Richard B Russell Arpt | Rome | United States |
| RDV | Red Devil Airport | Red Devil | United States |
| RFD | Rockford Arpt | Rockford | United States |
| RGR | Ranger Municipal Arpt | Ranger | United States |
| RHI | Oneida County | Rhinelander | United States |
| RIC | Byrd Intl | Richmond | United States |
| RIF | Reynolds Municipal Arpt | Richfield | United States |
| RBY | Ruby Airport | Ruby | United States |
| RCE | Roche Harbor Arpt | Roche Harbor | United States |
| RDD | Redding Municipal Arpt | Redding | United States |
| RDG | Reading Municipal | Reading | United States |
| RDM | Roberts Field | Redmond Bend | United States |
| RDU | Raleigh Durham Intl Arpt | Raleigh | United States |
| RAP | Regional Arpt | Rapid City | United States |
| RBF | Big Bear City Arpt | Big Bear City | United States |
| RBG | Roseburg Municipal | Roseburg | United States |
| RBH | Katmai National Park | Brooks Lodge | United States |
| RBL | Flight Service Station | Redding | United States |
| RBW | Walterboro Municipal Arpt | Walterboro | United States |
| PWT | Bremerton Municipal | Bremerton | United States |
| QDV | DENVER | Denver | United States |
| QHO | Houston Airports | Houston | United States |
| QKA | All Maui Area Airports | Maui | United States |
| RAC | Horlick Arpt | Milwaukee | United States |
| RAL | Riverside Municipal | Riverside | United States |
| PVD | T F Green St Arpt | Providence | United States |
| PVU | Provo Arpt | Provo | United States |
| PVW | Hale County Arpt | Plainview | United States |
| PWA | Wiley Post Arpt | Oklahoma City | United States |
| PWK | Pal Waukee Arpt | Chicago | United States |
| PWM | Portland Intl Jetport | Portland | United States |
| PTW | Pottstown Limerick | Pottstown | United States |
| PUB | Pueblo Arpt | Pueblo | United States |
| PUC | Carbon Cty Municipal Arpt | Price | United States |
| PUO | Prudhoe Bay Airport | Prudhoe Bay | United States |
| PUW | Pullman Moscow Arpt | Pullman | United States |
| PVC | Provincetown Municipal | Provincetown | United States |
| PSP | Palm Springs Municipal | Palm Springs | United States |
| PTA | Port Alsworth Airport | Port Alsworth | United States |
| PTB | Petersburg Municipal Arpt | Petersburg | United States |
| PTH | Port Heiden Airport | Port Heiden | United States |
| PTK | Oakland Pontiac Arpt | Pontiac | United States |
| PTU | Platinum Airport | Platinum | United States |
| PSB | Midstate Arpt | Philipsburg | United States |
| PSC | Tri Cities Arpt | Pasco | United States |
| PSF | Pittsfield Municipal | Pittsfield | United States |
| PSG | Petersburg Municipal | Petersburg | United States |
| PSK | New River Valley Arpt | Dublin | United States |
| PSM | Pease AFB | Portsmouth | United States |
| PPV | Port Protection Seaplane Base | Port Protection | United States |
| PQI | Northern Maine Regional | Presque Isle | United States |
| PQS | Pilot Station Airport | Pilot Station | United States |
| PRB | Paso Robles Cty | Paso Robles | United States |
| PRC | Prescott Municipal | Prescott | United States |
| PRX | Paris Cox Field Arpt | Paris | United States |
| PNE | N Philadelphia | N Philadelphia | United States |
| PNS | Pensacola Regional Municipal | Pensacola | United States |
| POC | Brackett Field | La Verne | United States |
| POE | Fort Polk Arpt | Fort Polk | United States |
| POF | Earl Fields Memorial | Poplar Bluff | United States |
| POU | Dutchess County | Poughkeepsie | United States |
| PLK | M Graham Clark Arpt | Point Lookout | United States |
| PLN | Emmet Cty Arpt | Pellston | United States |
| PMD | Airforce 42 | Palmdale | United States |
| PMH | Portsmith Regional | Huntington | United States |
| PML | Port Moller Airport | Port Moller | United States |
| PNC | Ponca City Municipal Arpt | Ponca City | United States |
| PIT | Pittsburgh Intl Arpt | Pittsburgh | United States |
| PIZ | Point Lay LRRS Airport | Point Lay | United States |
| PJB | Payson Arpt | Payson | United States |
| PKA | Napaskiak Airport | Napaskiak | United States |
| PKB | Wood County | Parkersburg | United States |
| PLB | Clinton Cty Municipal | Plattsburgh | United States |
| PIA | Greater Peoria Arpt | Peoria | United States |
| PIB | Hattiesburg Laurel Regional Arpt | Laurel | United States |
| PIE | St Petersburg Clearwater Arpt | St Petersburg | United States |
| PIH | Pocatello Municipal Arpt | Pocatello | United States |
| PIP | Pilot Point City Code: Qpp | Pilot Point | United States |
| PIR | Pierre Municipal | Pierre | United States |
| PGV | Pitt Greenville Arpt | Greenville | United States |
| PHF | Patrick Henry Intl | Newport News | United States |
| PHL | Philadelphia Intl Arpt | Philadelphia | United States |
| PHO | Point Hope Airport | Point Hope | United States |
| PHT | Henry County Arpt | Paris | United States |
| PHX | Sky Harbor Intl Arpt | Phoenix | United States |
| PDX | Portland Intl Arpt | Portland | United States |
| PEC | Pelican Seaplane Base | Pelican | United States |
| PFN | Bay County Arpt | Panama City | United States |
| PGA | Page Airport | Page | United States |
| PGD | Charlotte County | Punta Gorda | United States |
| PGL | Jackson Cnty | Pascagoula | United States |
| PBF | Pine Bluff Arpt | Pine Bluff | United States |
| PBI | Palm Beach Intl Arpt | West Palm Beach | United States |
| PCA | Portage Creek Airport | Portage Creek | United States |
| PDB | Pedro Bay Airport | Pedro Bay | United States |
| PDK | Dekalb Peachtree | Atlanta | United States |
| PDT | Pendleton Municipal | Pendleton | United States |
| OWD | Norwood Ma Arpt | Norwood | United States |
| OXR | Oxnard Ventura Arpt | Oxnard | United States |
| PAE | Snohomish Cty Arpt | Everett | United States |
| PAH | Buckley Regional | Paducah | United States |
| PAK | Hanapepe | Hanapepe | United States |
| PAO | Palo Alto Arpt | Palo Alto | United States |
| OTG | Worthington Arpt | Worthington | United States |
| OTH | North Bend Municipal | North Bend | United States |
| OTM | Industrial Arpt | Ottumwa | United States |
| OTS | Ancortes Arpt | Ancortes | United States |
| OTZ | Ralph Wien Memorial | Kotzebue | United States |
| OWB | Daviess County Arpt | Owensboro | United States |
| ORH | Worcester Arpt | Worcester | United States |
| ORL | Herndon Arpt | Orlando | United States |
| ORQ | Norwalk Heliport | Norwalk | United States |
| ORV | Robert (Bob) Curtis Memorial Airport | Noorvik | United States |
| OSH | Wittman Field | Oshkosh | United States |
| OSU | Ohio State Univ Arpt | Columbus | United States |
| ONH | Oneonta Municpal | Oneonta | United States |
| ONT | Ontario Intl | Ontario | United States |
| OOK | Toksook Bay Airport | Toksook Bay | United States |
| OPF | Opa Locka Arpt | Miami | United States |
| ORD | OHare Intl Arpt | Chicago | United States |
| ORF | Norfolk Intl Arpt | Norfolk Newport News | United States |
| OLH | Old Harbor Airport | Old Harbor | United States |
| OLM | Olympia Arpt | Olympia | United States |
| OLS | International Arpt | Nogales | United States |
| OLU | Columbus Arpt | Columbus | United States |
| OMA | Eppley Airfield | Omaha | United States |
| OME | Nome Arpt | Nome | United States |
| OGB | Orangeburg Municpal | Columbia | United States |
| OGD | Ogden Municipal | Ogden | United States |
| OGG | Kahului Airport | Maui | United States |
| OGS | Ogdensburg Municipal | Ogdensburg | United States |
| OKC | Will Rogers World Arpt | Oklahoma City | United States |
| OKK | Kokomo Municipal | Kokomo | United States |
| OCA | Ocean Reef Arpt | Ocean Reef | United States |
| OCE | Ocean City Airport | Ocean City | United States |
| OCF | Taylor Field Arpt | Ocala | United States |
| OCN | Oceanside Municipal Arpt | Oceanside | United States |
| ODW | Oak Harbour Municipal | Oak Harbor | United States |
| OFK | Karl Stefan Fld | Norfolk | United States |
| NYC | All New York City Area Airports | New York | United States |
| NZC | Cecil Field Nas | Jacksonville | United States |
| OAJ | Albert J Ellis | Jacksonville | United States |
| OAK | Metro Oakland Intl Arpt | Oakland | United States |
| OBE | Okeechobee County Arpt | Okeechobee | United States |
| OBU | Kobuk Airport | Kobuk | United States |
| NQA | Memphis Naval Air Station | Memphis | United States |
| NQI | Naval Air Station Arpt | Kingsville | United States |
| NUI | Nuiqsut Airport | Nuiqsut | United States |
| NUL | Nulato Airport | Nulato | United States |
| NUP | Nunapitchuk Airport | Nunapitchuk | United States |
| NUQ | Moffett Field | San Jose | United States |
| NIB | Niloai Airport | Nikolai | United States |
| NKI | Naukiti Airport | Naukiti | United States |
| NLG | Nelson Lagoon Airport | Nelson Lagoon | United States |
| NME | Nightmute Airport | Nightmute | United States |
| NNL | Nondalton Airport | Nondalton | United States |
| NPT | Newport State Arpt | Newport | United States |
| MYF | Montogomery Fld | San Diego | United States |
| MYR | Myrtle Beach Jetway | Myrtle Beach | United States |
| MYU | Mekoryuk Airport | Mekoryuk | United States |
| MYV | Yuba County Arpt | Marysville | United States |
| NCN | Chenega Bay | Chenega | United States |
| NEW | New Lakefront Arpt | New Orleans | United States |
| MUE | Waimea Arpt | Kamuela | United States |
| MVN | Mt Vernon Outland Arpt | Mt Vernon | United States |
| MVY | Dukes County | Martha S Vineyard | United States |
| MWA | Williamson County | Marion | United States |
| MWH | Grant County | Moses Lake | United States |
| MWO | Hook Field | Middletown | United States |
| MTC | Selfridge Air Natl Guard | Detroit | United States |
| MTH | Marathon Arpt | Marathon | United States |
| MTJ | Montrose County | Montrose | United States |
| MTO | Coles County | Mattoon | United States |
| MTP | Sky Portal Arpt | Montauk | United States |
| MTW | Manitowoc Municipal Arpt | Manitowoc | United States |
| MSN | Dane Cty Regional | Madison | United States |
| MSO | Missoula Intl | Missoula | United States |
| MSP | Minneapolis St Paul Intl | Minneapolis | United States |
| MSS | Richards Field | Massena | United States |
| MSV | Catskills Sulivan | Monticello | United States |
| MSY | Moisant Intl | New Orleans | United States |
| MQY | Smyrna Arpt | Smyrna | United States |
| MRB | Martinsburgh Regional Arpt | Martinsburgh | United States |
| MRC | Maury Country Arpt | Columbia | United States |
| MRY | Monterey Peninsula | Monterey | United States |
| MSC | Falcon Field | Mesa | United States |
| MSL | Muscle Shoals Arpt | Muscle Shoals | United States |
| MOB | Mobile Municipal | Mobile | United States |
| MOD | Harry Sham Fld | Modesto | United States |
| MOP | Mt Pleasant Municipal | Mount Pleasant | United States |
| MOT | Minot Intl | Minot | United States |
| MPV | E F Knapp Arpt | Montpelier | United States |
| MQT | Marquette Arpt | Marquette | United States |
| MLU | Monroe Regional | Monroe | United States |
| MLY | MANLEY HOT SPGS AIRPORT | MANLEY HOT SPGS | United States |
| MMH | Mammoth Lakes Municipal | Mammoth Lakes | United States |
| MML | Marshall Municipal | Marshall | United States |
| MMU | Morristown Arpt | Morristown | United States |
| MNM | Menominee County | Menominee | United States |
| MKT | Mankato Municipal Arpt | Mankato | United States |
| MLB | Melbourne Regional | Melbourne | United States |
| MLC | McAlester Municipal Arpt | McAlester | United States |
| MLI | Quad City Arpt | Moline | United States |
| MLL | MARSHALL AIRPORT | MARSHALL | United States |
| MLS | FRANK WILEY FIELD | MILES CITY | United States |
| MKC | Kansas City Municipal Arpt | Kansas City | United States |
| MKE | General Mitchell Fld | Milwaukee | United States |
| MKG | Muskegon Cty Intl | Muskegon | United States |
| MKK | Hoolehua Municipal | Hoolehua | United States |
| MKL | McKellar Fld | Jackson | United States |
| MKO | Davis Field | Muskogee | United States |
| MHV | Kern County Arpt | Mojave | United States |
| MIA | Miami Intl | Miami | United States |
| MIE | Johnson Field | Muncie | United States |
| MIQ | Millard Airport | Omaha | United States |
| MIV | Millville Arpt | Millville | United States |
| MIW | Marshalltown Municipal | Marshalltown | United States |
| MGM | Dannelly Field | Montgomery | United States |
| MGR | Moultrie Arpt | Moultrie | United States |
| MGW | Morgantown Municipal | Morgantown | United States |
| MHE | Mitchell Municipal | Mitchell | United States |
| MHK | Manhattan Municipal Arpt | Manhattan | United States |
| MHT | Manchester Arpt | Manchester | United States |
| MFD | Mansfield Municipal | Mansfield | United States |
| MFE | Miller Intl | McAllen | United States |
| MFI | Marshfield Municipal Arpt | Marshfield | United States |
| MFR | Medford Jackson Cty | Medford | United States |
| MGC | Michigan City Arpt | Michigan City | United States |
| MGE | Dobbins Air Force Base | Marietta | United States |
| MCW | Mason City Municipal | Mason City | United States |
| MDH | Southern Illinois Arpt | Carbondale | United States |
| MDT | Harrisburg Intl | Harrisburg | United States |
| MDW | Midway | Chicago | United States |
| MEI | Key Field | Meridian | United States |
| MEM | Memphis Intl | Memphis | United States |
| MCE | Merced Municipal Arpt | Merced | United States |
| MCG | MC GRATH AIRPORT | MC GRATH | United States |
| MCI | Kansas City Intl | Kansas City | United States |
| MCK | McCook Municipal | McCook | United States |
| MCN | Lewis B Wilson | Macon | United States |
| MCO | Orlando Intl Arpt | Orlando | United States |
| LWT | Lewistown Municipal | Lewistown | United States |
| LYH | Lynchburg Regional Airport | Lynchburg | United States |
| LYU | ELY AIRPORT | ELY | United States |
| MAF | Midland Intl Arpt | Midland | United States |
| MBL | Manistee Arpt | Manistee | United States |
| MBS | Saginaw Arpt | Saginaw | United States |
| LVK | Bron Airport | Livermore | United States |
| LVS | Las Vegas Arpt | Las Vegas | United States |
| LWB | Greenbrier Valley Arpt | Greenbrier | United States |
| LWC | Lawrence Municipal | Lawrence | United States |
| LWM | Lawrence Arpt | Lawrence | United States |
| LWS | Lewiston Nez Pierce Arpt | Lewiston | United States |
| LPS | Lopez Island Arpt | Lopez Island | United States |
| LRD | Laredo Intl | Laredo | United States |
| LRU | Las Cruces Crawford Arpt | Las Cruces | United States |
| LSE | La Crosse Municipal | La Crosse | United States |
| LUK | Cincinnati Municipal Arpt | Cincinnati | United States |
| LUP | Kalaupapa Municipal | Kalaupapa | United States |
| LNK | Lincoln Municipal | Lincoln | United States |
| LNS | Lancaster Arpt | Lancaster | United States |
| LNY | Lanai Airport | Lanai | United States |
| LOZ | Corbin London Arpt | London | United States |
| LPC | Lompoc Arpt | Santa Maria | United States |
| LPO | La Porte Arpt | La Porte | United States |
| LJN | Lake Jackson Arpt | Lake Jackson | United States |
| LKE | Lake Union Seaplane Base | Seattle | United States |
| LLY | Burlington Country Arpt | Mount Holly | United States |
| LMA | LAKE MINCHUMINA AIRPORT | LAKE MINCHUMINA | United States |
| LMT | Kingsley Field | Klamath Falls | United States |
| LNA | Palm Beach County Arpt | West Palm Beach | United States |
| LFT | Lafayette Municipal | Lafayette | United States |
| LGA | LaGuardia | New York | United States |
| LGB | Long Beach Municipal | Long Beach | United States |
| LGU | Logan Arpt | Logan | United States |
| LIH | Lihue Municipal | Lihue | United States |
| LIT | Little Rock Regional | Little Rock | United States |
| LCI | Laconia Municipal Arpt | Laconia | United States |
| LEB | Lebanon Regional | Lebanon | United States |
| LEE | Leesburg Municipal Arpt | Leesburg | United States |
| LEW | Auburn Lewiston Arpt | Lewiston | United States |
| LEX | Blue Grass Field | Lexington | United States |
| LFK | Angelina Cty Arpt | Lufkin | United States |
| LBB | Lubbock Intl | Lubbock | United States |
| LBE | Westmorland County | Latrobe | United States |
| LBF | Lee Bird Field | North Platte | United States |
| LBL | Liberal Municipal | Liberal | United States |
| LBT | Lumberton Arpt | Lumberton | United States |
| LCH | Lake Charles Municipal | Lake Charles | United States |
| LAM | Los Alamos Municipal | Los Alamos | United States |
| LAN | Lansing Arpt | Lansing | United States |
| LAR | General Brees Fld | Laramie | United States |
| LAS | McCarran Intl | Las Vegas | United States |
| LAW | Lawton Municipal | Lawton | United States |
| LAX | Los Angeles Intl | Los Angeles | United States |
| KXA | KASAAN AIRPORT | KASAAN | United States |
| KYL | Port Largo Arpt | Key Largo | United States |
| KYU | KOYUKUK AIRPORT | KOYUKUK | United States |
| LAA | Lamar Arpt | Lamar | United States |
| LAF | Lafayette Arpt | Lafayette | United States |
| LAL | Lakeland Arpt | Lakeland | United States |
| KVC | KING COVE AIRPORT | KING COVE | United States |
| KVL | KIVALINA AIRPORT | KIVALINA | United States |
| KWF | WATERFALL AIRPORT | WATERFALL | United States |
| KWK | KWIGILLINGOK AIRPORT | KWIGILLINGOK | United States |
| KWN | QUINHAGAK AIRPORT | QUINHAGAK | United States |
| KWT | KWETHLUK AIRPORT | KWETHLUK | United States |
| KQA | AKUTAN AIRPORT | AKUTAN | United States |
| KSM | ST MARY'S AIRPORT | ST MARY'S | United States |
| KTB | THORNE BAY AIRPORT | THORNE BAY | United States |
| KTN | Ketchikan Intl Arpt | Ketchikan | United States |
| KTS | BREVIG MISSION AIRPORT | BREVIG MISSION | United States |
| KUK | KASIGLUK AIRPORT | KASIGLUK | United States |
| KOT | KOTLIK AIRPORT | KOTLIK | United States |
| KPB | POINT BAKER AIRPORT | POINT BAKER | United States |
| KPC | PORT CLARENCE AIRPORT | PORT CLARENCE | United States |
| KPD | King Of Prussia Arpt | King Of Prussia | United States |
| KPN | KIPNUK AIRPORT | KIPNUK | United States |
| KPV | PERRYVILLE AIRPORT | PERRYVILLE | United States |
| KLW | KALWORK AIRPORT | KLAWOCK | United States |
| KMO | MANOKOTAK AIRPORT | MANOKOTAK | United States |
| KNK | KAKHONAK AIRPORT | KAKHONAK | United States |
| KNT | Kennett Municipal Arpt | Kennett | United States |
| KNW | NEW STUYAHOK AIRPORT | NEW STUYAHOK | United States |
| KOA | Keahole Arpt | Kona | United States |
| KGX | GRAYLING AIRPORT | GRAYLING | United States |
| KKH | KONGIGANAK AIRPORT | KONGIGANAK | United States |
| KKI | AKIACHAK AIRPORT | AKIACHAK | United States |
| KKU | EKUK AIRPORT | EKUK | United States |
| KLG | KALSKAG AIRPORT | KALSKAG | United States |
| KLL | LEVELOCK AIRPORT | LEVELOCK | United States |
| KCL | CHIGNIK LAGOON AIRPORT | CHIGNIK LAGOON | United States |
| KCQ | CHIGNIK LAKE AIRPORT | CHIGNIK LAKE | United States |
| KDK | Kodiak Municipal | Kodiak | United States |
| KEH | SEATTLE/TAKOMA AIRPORT | Seattle/Tacoma | United States |
| KEK | EKWOK AIRPORT | EKWOK | United States |
| KGK | KOLIGANEK AIRPORT | KOLIGANEK | United States |
| KAE | KAKE AIRPORT | KAKE | United States |
| KAL | KALTAG AIRPORT | KALTAG | United States |
| KBC | BIRCH CREEK AIRPORT | BIRCH CREEK | United States |
| KCC | COFFMAN COVE AIRPORT | COFFMAN COVE | United States |
| KCG | CHIGNIK AIRPORT | CHIGNIK | United States |
| KCK | Fairfax Municipal Arpt | Kansas City | United States |
| JRA | NEW YORK AIRPORT | NEW YORK | United States |
| JRE | East 60th St Hlpt | New York | United States |
| JST | Johnstown Cambria Arpt | Johnstown | United States |
| JTO | Thousand Oaks Hlpt | Los Angeles | United States |
| JVL | Rock County Arpt | Beloit | United States |
| JXN | Jackson Reynolds Municipal | Jackson | United States |
| JMC | Marin County Arpt | Sausalito | United States |
| JMS | Jamestown Arpt | Jamestown | United States |
| JNU | Juneau Arpt | Juneau | United States |
| JON | Johnson Atoll Airport | Johnson Island | United States |
| JOR | Santa Ana Heliport | Santa Ana | United States |
| JPD | Burbank Heliport | Burbank | United States |
| JCE | Oakland Conv Ctr Hlpt | Oakland | United States |
| JEF | Jefferson City Memorial | Jefferson City | United States |
| JFK | John F Kennedy Intl | New York | United States |
| JHM | Kapalua Arpt | Kapalua | United States |
| JHW | Chautauqua Cty Arpt | Jamestown | United States |
| JLN | Joplin Municipal Arpt | Joplin | United States |
| JAO | Beaver Ruin Helpt | Atlanta | United States |
| JAX | Jacksonville Intl Arpt | Jacksonville | United States |
| JBP | Commerce Business Plaza Heliport | Los Angeles | United States |
| JBR | Jonesboro Municipal | Jonesboro | United States |
| JBS | Hacienda Business Park Hlpt | Pleasanton | United States |
| JCC | China Basin Hlpt | San Francisco | United States |
| IWD | Ironwood Arpt | Ironwood | United States |
| IWS | West Houston | Houston | United States |
| IYK | Kern Cty Airport | Inyokern | United States |
| JAC | Jackson Arpt | Jackson | United States |
| JAJ | Perimeter Hlpt | Atlanta | United States |
| JAN | Jackson Airport | Jackson | United States |
| ISM | Kissimmee Municipal Arpt | Kissimmee | United States |
| ISN | Sloulin Field Intl Arpt | Williston | United States |
| ISO | East Reg Jetport Stallings | Kinston | United States |
| ISP | Long Island Macarthur Arpt | Islip | United States |
| ITH | Tomkins County | Ithaca | United States |
| ITO | Hilo Hawaii Intl | Hilo | United States |
| INW | Winslow Municipal | Winslow | United States |
| IPL | Imperial County | El Centro | United States |
| IPT | Williamsport Lycoming Municipal | Williamsport | United States |
| IRC | CIRCLE CITY AIRPORT | CIRCLE | United States |
| IRK | Kirksville Municipal | Kirksville | United States |
| IRS | Kirsch Municipal | Sturgis | United States |
| ILI | ILIAMNA AIRPORT | ILIAMNA | United States |
| ILM | New Hanover Cty Arpt | Wilmington | United States |
| IMT | Ford Arpt | Iron Mountain | United States |
| IND | Indianapolis Intl Arpt | Indianapolis | United States |
| INL | Intl Falls Arpt | International Falls | United States |
| INT | Smith Reynolds Arpt | Winston-Salem | United States |
| IGM | Mohave County | Kingman | United States |
| IJX | Jacksonville Municipal Arpt | Jacksonville | United States |
| IKK | Greater Kankakee Arpt | Kankakee | United States |
| IKO | NIKOLSKI AIRPORT | NIKOLSKI | United States |
| ILE | Skylark Field | Killeen | United States |
| ILG | Greater Wilmington New Castle | Wilmington | United States |
| IAN | KIANA AIRPORT | KIANA | United States |
| ICT | Mid Continent Arpt | Wichita | United States |
| IDA | Fanning Field | Idaho Falls | United States |
| IDI | Indiana County Arpt | Indiana | United States |
| IFP | Laughlin Bullhead Intl Arpt | Bullhead City | United States |
| IGG | IGIUGIG AIRPORT | IGIUGIG | United States |
| HYL | HOLLIS AIRPORT | HOLLIS | United States |
| HYR | Hayward Municipal | Hayward | United States |
| HYS | Hays Municipal | Hays | United States |
| IAD | Washington Dulles Intl | Washington | United States |
| IAG | Niagara Falls Intl Arpt | Niagara Falls | United States |
| IAH | George Bush Intl | Houston | United States |
| HUT | Hutchinson Municipal | Hutchinson | United States |
| HVN | Tweed New Haven Arpt | New Haven | United States |
| HVR | City County | Havre | United States |
| HWD | Hayward Air Terminal | Hayward | United States |
| HYA | Barnstable Cty Arpt | Hyannis | United States |
| HYG | HYDABURG AIRPORT | HYDABURG | United States |
| HSV | Huntsville Madison Cty Jetplex | Huntsville | United States |
| HTS | Tri State Milton Arpt | Huntington | United States |
| HTV | Huntsville Arpt | Huntsville | United States |
| HUF | Hulman Field | Terre Haute | United States |
| HUM | Terrebonne Arpt | Houma | United States |
| HUS | HUGHES AIRPORT | HUGHES | United States |
| HRL | Rio Grande Valley Intl Arpt | Harlingen | United States |
| HRO | Boone County Arpt | Harrison | United States |
| HSI | Hastings Municipal | Hastings | United States |
| HSL | HUSLIA AIRPORT | HUSLIA | United States |
| HSP | Ingalls Field | Hot Springs | United States |
| HST | Homestead Municipal | Homestead | United States |
| HOP | Hopkinsville Christian Country Arpt | Hopkinsville | United States |
| HOT | Memorial Field | Hot Springs | United States |
| HOU | Houston Hobby Arpt | Houston | United States |
| HPB | HOOPER BAY AIRPORT | HOOPER BAY | United States |
| HPN | Westchester Cty Arpt | White Plains | United States |
| HPV | Princeville Arpt | Princeville | United States |
| HNL | Honolulu Intl | Honolulu | United States |
| HNM | Hana Municipal | Hana | United States |
| HNS | Haines | Haines | United States |
| HOB | Lea County Arpt | Hobbs | United States |
| HOM | Homer Municipal Arpt | Homer | United States |
| HON | Huron Municipal | Huron | United States |
| HKA | Blytheville Municipal Arpt | Blytheville | United States |
| HKB | HERLY LAKE | HERLY LAKE | United States |
| HKS | Hawkins Field | Jackson | United States |
| HKY | Hickory Municipal | Hickory | United States |
| HLN | Helena Municipal | Helena | United States |
| HNH | HOONAH AIRPORT | HOONAH | United States |
| HFD | Brainard Arpt | Hartford | United States |
| HGR | Washington Cty Regional | Hagerstown | United States |
| HHH | Hilton Head Municipal | Hilton Head Is | United States |
| HHR | Hawthorne Arpt | Hawthorne | United States |
| HIB | Hibbing Chisolm Arpt | Hibbing | United States |
| HII | Lake Havasu City Municipal Airport | Lake Havasu Cty | United States |
| GYY | Gary Regional Arpt | Gary | United States |
| HBB | Hobbs | Hobbs | United States |
| HBG | Bobby L Chain Municipal | Hattiesburg | United States |
| HCR | HOLY CROSS AIRPORT | HOLY CROSS | United States |
| HDN | Hayden Arpt | Hayden | United States |
| HEZ | Natchez Adams Cty | Natchez | United States |
| GTY | Gettysburg Arpt | Gettysburg | United States |
| GUC | Gunnison Cty | Gunnison | United States |
| GUP | Gallup Municipal | Gallup | United States |
| GWO | Leflore Arpt | Greenwood | United States |
| GWS | Glenwood Springs Arpt | Glenwood Springs | United States |
| GYR | Litchfield Goodyear Arpt | Goodyear | United States |
| GSB | Seymour Johnson AFB | Goldsboro | United States |
| GSO | Piedmont Triad Intl | Greensboro | United States |
| GSP | Greenville Spartanburg Arpt | Greenville | United States |
| GST | Gustavus Arpt | Glacier Bay | United States |
| GTF | Great Falls Intl Arpt | Great Falls | United States |
| GTR | Golden Arpt | Columbus | United States |
| GPZ | Itasca County | Grand Rapids | United States |
| GQQ | Galion Municipal Arpt | Galion | United States |
| GRB | Austin Straubel Fld | Green Bay | United States |
| GRI | Hall Cty Regional | Grand Island | United States |
| GRK | Killeen-Fort Hood Regional Airport | Killeen | United States |
| GRR | Kent County Intl | Grand Rapids | United States |
| GLV | GOLOVIN AIRPORT | GOLOVIN | United States |
| GMU | Greenville Downtown Arpt | Greenville | United States |
| GNU | GOODNEWS BAY AIRPORT | GOODNEWS BAY | United States |
| GNV | Gainesville Regional | Gainesville | United States |
| GON | Groton New London Arpt | New London | United States |
| GPT | Gulfport Billoxi | Gulfport | United States |
| GIF | Gilbert Fld | Winter Haven | United States |
| GJT | Walker Field Arpt | Grand Junction | United States |
| GKT | Gatlinburg Arpt | Gatlinburg | United States |
| GLD | Goodland Municipal | Goodland | United States |
| GLH | Greenville Municipal | Greenville | United States |
| GLS | Scholes Field | Galveston | United States |
| GFD | Pope Field Arpt | Greenfield | United States |
| GFK | Grand Forks Mark Andrews Intl | Grand Forks | United States |
| GFL | Warren County | Glen Falls | United States |
| GGE | George Town Arpt | Myrtle Beach | United States |
| GGG | Greg County Arpt | Longview | United States |
| GGW | International Glasgow | Glasgow | United States |
| GCK | Garden City Municipal | Garden City | United States |
| GCN | Grand Canyon Natl Park Arpt | Grand Canyon | United States |
| GCY | Municipal Greenville | Greenville | United States |
| GDV | GLENDIVE/DAWSON AIRPORT | GLENDIVE/DAWSON | United States |
| GED | Sussex County Arpt | Georgetown | United States |
| GEG | Spokane Intl Arpt | Spokane | United States |
| GAD | Gadsden Municipal | Gadsden | United States |
| GAI | Montgomery Cty Arpt | Gaithersburg | United States |
| GAL | Galena Arpt | Galena | United States |
| GBD | Greate Bend Municipal | Great Bend | United States |
| GBG | Galesburg Arpt | Galesburg | United States |
| GCC | Campbell Cty Arpt | Gillette | United States |
| FST | Pecos County Arpt | Fort Stockton | United States |
| FTW | Meacham Field | Fort Worth | United States |
| FTY | Fulton Cty Arpt | Atlanta | United States |
| FUL | Fullerton Municipal Arpt | Fullerton | United States |
| FWA | Baer Field | Fort Wayne | United States |
| FYV | Fayetteville Municipal Arpt | Fayetteville | United States |
| FRD | Friday Harbor Airport | Friday Harbor | United States |
| FRG | Republic Arpt | Farming Dale | United States |
| FRM | Fairmont Municipal | Fairmont | United States |
| FRR | Warren County Arpt | Front Royal | United States |
| FSD | Joe Foss Field | Sioux Falls | United States |
| FSM | Ft Smith Municipal | Fort Smith | United States |
| FMY | Page Field | Fort Myers | United States |
| FNL | Municipal Airport | Fort Collins | United States |
| FNT | Bishop Intl Arpt | Flint | United States |
| FOD | Ft Dodge Municipal | Fort Dodge | United States |
| FOE | Forbes Field | Topeka | United States |
| FPR | St Lucie County Arpt | Fort Pierce | United States |
| FLG | Flagstaff Arpt | Flagstaff | United States |
| FLL | Ft Lauderdale Hollywood Intl Arpt | Fort Lauderdale | United States |
| FLO | Gilbert Field | Florence | United States |
| FMH | Otis AFB | Falmouth | United States |
| FMN | Four Corners Regional Arpt | Farmington | United States |
| FMS | Fort Madison Municipal | Fort Madison | United States |
| FCA | Glacier Park Intl | Kalispell | United States |
| FCY | Forrest City Municipal Arpt | Forrest City | United States |
| FDK | Frederick Municipal | Frederick | United States |
| FFM | Fergus Falls Municipal | Fergus Falls | United States |
| FHU | Sierra Vista Municipal | Fort Huachuca | United States |
| FKL | Chess Lamberton Arpt | Franklin | United States |
| EXI | Excursion Inlet Municipal | Excursion Inlet | United States |
| EYW | Key West Intl | Key West | United States |
| FAI | Fairbanks Intl Arpt | Fairbanks | United States |
| FAR | Hector Airport | Fargo | United States |
| FAT | Fresno Air Terminal | Fresno | United States |
| FAY | Fayetteville Municipal | Fayetteville | United States |
| EUG | Eugene Arpt | Eugene | United States |
| EVM | Eveleth Virginia Municipal Arpt | Eveleth | United States |
| EVV | Evansville Regional Arpt | Evansville | United States |
| EWB | New Bedford Municipal | New Bedford | United States |
| EWN | Simmons Nott Arpt | New Bern | United States |
| EWR | Newark Intl Arpt | Newark | United States |
| ESD | Eastsound Orcas Is Arpt | East Sound | United States |
| ESF | Esler Field | Alexandria | United States |
| ESN | Easton Municipal Arpt | Easton | United States |
| ESP | Birchwood Pocono Arpt | East Stroudsburg | United States |
| ETB | West Bend Arpt | West Bend | United States |
| ETS | Enterprise Municipal | Enterprise | United States |
| EMT | El Monte Arpt | El Monte | United States |
| ENA | Kenai Municipal Arpt | Kenai | United States |
| ENL | Centralia Municipal Arpt | Centralia | United States |
| ENW | Kenosha Municipal Arpt | Kenosha | United States |
| ERI | Erie Intl | Erie | United States |
| ESC | Delta County | Escanaba | United States |
| ELK | Elk City Municipal | Elk City | United States |
| ELM | Elmira Corning Regional Arpt | Elmira | United States |
| ELP | El Paso Intl Arpt | El Paso | United States |
| ELV | ELFIN COVE | ELFIN COVE | United States |
| ELY | Yelland Field | Ely Nv | United States |
| EMK | EMMONAK AIRPORT | EMMONAK | United States |
| EKI | Elkhart Municipal Arpt | Elkhart | United States |
| EKN | Randolph County Arpt | Elkins | United States |
| EKO | J C Harris Field | Elko | United States |
| EKX | Addington Field | Elizabethtown | United States |
| ELD | Goodwin Field | El Dorado | United States |
| ELI | ELIM AIRPORT | ELIM | United States |
| EDA | EDNA BAY | EDNA BAY | United States |
| EEK | EEK AIRPORT | EEK | United States |
| EEN | Dilliant Hopkins Arpt | Keene | United States |
| EFD | Ellington Field | Houston | United States |
| EGE | Eagle County Arpt | Eagle | United States |
| EHT | Rentschler Arpt | East Hartford | United States |
| EAA | Eagle Airport | Eagle | United States |
| EAR | Kearney Municipal Arrpt | Kearney | United States |
| EAT | Pangborn Memorial Fld | Wenatchee | United States |
| EAU | Claire Municipal Airport | Eau Claire | United States |
| EBR | Baton Rouge Downtown Arpt | Baton Rouge | United States |
| ECG | Elizabeth Municipal Cgas | Elizabeth City | United States |
| DUT | DUTCH HARBOR | DUTCH HARBOR | United States |
| DVL | Devils Lake Arpt | Devils Lake | United States |
| DWH | David Wayne Hooks Arpt | Houston | United States |
| DWN | Downtown Airpark | Oklahoma City | United States |
| DXR | Danbury Municipal Arpt | Danbury | United States |
| DYL | Doylestown Arpt | Doylestown | United States |
| DSI | Destin Arpt | Destin | United States |
| DSM | Des Moines Municipal Airport | Des Moines | United States |
| DTT | DETROIT | DETROIT | United States |
| DTW | Detroit Metro Arpt | Detroit | United States |
| DUG | Bisbee Douglas Intl | Douglas | United States |
| DUJ | Dubois Jefferson Cty Arpt | Dubois | United States |
| DLS | The Dalles Municipal Arpt | The Dalles | United States |
| DNL | Daniel Airport | Augusta | United States |
| DNV | Vermillion Cty | Danville | United States |
| DRG | DEERING AIRPORT | DEERING | United States |
| DRO | Durango La Plata Cty Arpt | Durango | United States |
| DRT | International Del Rio | Del Rio | United States |
| DFW | Dallas Ft Worth Intl | Dallas | United States |
| DHN | Dothan Municipal | Dothan | United States |
| DIK | Dickinson Municipal | Dickinson | United States |
| DJN | DELTA JUNCTION | DELTA JUNCTION | United States |
| DLH | Duluth Intl | Duluth | United States |
| DLL | Dillon Arpt | Dillon | United States |
| DCU | Pyor Arpt | Decatur | United States |
| DDC | Dodge City Municipal Arpt | Dodge City | United States |
| DEC | Decatur Municipal | Decatur | United States |
| DEN | Denver Intl Arpt | Denver | United States |
| DET | Detroit City Apt | Detroit | United States |
| DFI | Defiance Memorial Arpt | Defiance | United States |
| DAL | Love Field | Dallas | United States |
| DAN | Danville Municipal | Danville | United States |
| DAY | Dayton International Airport | Dayton | United States |
| DBN | Dublin Municipal Arpt | Dublin | United States |
| DBQ | Dubuque Municipal Arpt | Dubuque | United States |
| DCA | Washington Natl Arpt | Washington | United States |
| CWA | Central Wisconsin Arpt | Wausau | United States |
| CWI | Clinton Municipal | Clinton | United States |
| CXO | Montgomery Co Arpt | Conroe | United States |
| CYS | Cheyenne Arpt | Cheyenne | United States |
| CZN | CHISANA AIRPORT | CHISANA | United States |
| DAB | Daytona Beach Regional Arpt | Daytona Beach | United States |
| CSM | Sherman Arpt | Clinton | United States |
| CTW | Cottonwood Airport | Cottonwood | United States |
| CUS | Columbus Municipal | Columbus | United States |
| CVG | Cincinnati No Kentucky Intl Arpt | Cincinnati | United States |
| CVN | Clovis Airport | Clovis | United States |
| CVO | Corvallis Municipal Arpt | Corvallis | United States |
| CRE | Grand Strand Arpt | Myrtle Beach | United States |
| CRG | Craig Municipal Arpt | Jacksonville | United States |
| CRP | Corpus Christi Intl Arpt | Corpus Christi | United States |
| CRW | Yeager Arpt | Charleston | United States |
| CSG | Columbus Metro Ft Benning Arpt | Columbus | United States |
| CSL | O Sullivan Army Air Field | San Luis Obispo | United States |
| COF | Patrick AFB | Cocoa Metro Area | United States |
| COI | Merrit Island Arpt | Cocoa Metro Area | United States |
| COS | Colorado Springs Municipal Arpt | Colorado Springs | United States |
| COU | Columbia Regional | Columbia | United States |
| CPR | Natrona Cty Intl Arpt | Casper | United States |
| CPS | East St Louis | St Louis | United States |
| CNH | Claremont Municipal | Lebanon | United States |
| CNK | CONCORDIA AIRPORT | CONCORDIA | United States |
| CNM | Carlsbad Airport | Carlsbad | United States |
| CNY | Moab Municipal | Moab | United States |
| COD | Yellowstone Regional Arpt | Cody | United States |
| COE | Coeur d Alene Municipal Arpt | Coeur D Alene | United States |
| CLT | Charlotte Douglas Intl Arpt | Charlotte | United States |
| CLU | Columbus Municipal Arpt | Columbus | United States |
| CMH | Port Columbus Intl Arpt | Columbus | United States |
| CMI | Univ Of Illinois Willard Arpt | Champaign | United States |
| CMX | Houghton Cty Memorial Arpt | Houghton | United States |
| CMY | Camp Mccoy Aaf | Sparta | United States |
| CLD | Carlsbad Arpt | Carlsbad | United States |
| CLE | Hopkins Intl Arpt | Cleveland | United States |
| CLK | Clinton Municipal Arpt | Clinton | United States |
| CLL | Easterwood Field | College Station | United States |
| CLM | William Fairchild Intl Arpt | Port Angeles | United States |
| CLP | CLARKS POINT AIRPORT | CLARKS POINT | United States |
| CKB | Clarksburg Benedum Arpt | Clarksburg | United States |
| CKD | CROOKED CREEK AIRPORT | CROOKED CREEK | United States |
| CKM | Fletcher Field | Clarksdale | United States |
| CKV | Outlaw Field | Clarksville | United States |
| CKX | CHICKEN AIRPORT | CHICKEN | United States |
| CLC | Metroport | Clear Lake City | United States |
| CHU | CHUATHBALUK AIRPORT | CHUATHBALUK | United States |
| CIC | Chico Municipal Arpt | Chico | United States |
| CID | Cedar Rapids Municipal Arpt | Cedar Rapids | United States |
| CIG | Craig Moffat | Craig | United States |
| CIK | CHALKYITSIK AIRPORT | CHALKYITSIK | United States |
| CIU | Chippewa Cnty Intl | Sault Ste Marie | United States |
| CGI | Cape Girardeau Municipal Arpt | Cape Girardeau | United States |
| CHA | Chattanooga Lovell Fld | Chattanooga | United States |
| CHI | Chicago Airports | Chicago | United States |
| CHO | Charlottesville Albemarle Arpt | Charlottesville | United States |
| CHP | CIRCLE HOT SPRINGS AIRPORT | CIRCLE HOT SPRINGS | United States |
| CHS | Charleston Intl Arpt | Charleston | United States |
| CEU | Clemson Oconee Cty Arpt | Clemson | United States |
| CEY | Calloway Cty Arpt | Murry | United States |
| CEZ | Montezuma County | Cortez | United States |
| CFA | COFFEE POINT AIRPORT | COFFEE POINT | United States |
| CGA | CRAIG AIRPORT | CRAIG | United States |
| CGF | Cuyahoga County Airport | Cleveland | United States |
| CDR | Chadron Arpt | Chadron | United States |
| CDV | Mile 13 Field | Cordova | United States |
| CDW | Caldwell Wright Arpt | Caldwell | United States |
| CEC | Crescent City Municipal Arpt | Crescent City | United States |
| CEF | Westover Metro | Springfield | United States |
| CEM | CENTRAL AIRPORT | CENTRAL | United States |
| CBE | Cumberland Municipal Arpt | Cumberland | United States |
| CBF | Council Bluffs Municipal Arpt | Council Bluffs | United States |
| CCR | Buchanan Field | Concord | United States |
| CDB | COLD BAY AIRPORT | COLD BAY | United States |
| CDC | Cedar City Municipal | Cedar City | United States |
| CDH | Harrell Fieldsandro Arpt | Camden | United States |
| BYA | BOUNDARY AIRPORT | BOUNDARY | United States |
| BYW | Blakely Is Municipal | Blakely Island | United States |
| BZN | Gallatin Field | Bozeman | United States |
| CAD | Wexford County Arpt | Cadillac | United States |
| CAE | Columbia Metro Arpt | Columbia | United States |
| CAK | Akron Canton Regional Arpt | Akron | United States |
| BVO | Bartlesville Municipal Arpt | Bartlesville | United States |
| BVX | Batesville Municipal | Batesville | United States |
| BWD | Brownwood Municipal Arpt | Brownwood | United States |
| BWG | Warren Cty Arpt | Bowling Green | United States |
| BWI | Baltimore Washington Intl Arpt | Baltimore | United States |
| BXS | Borrego Valley Arpt | Borrego Springs | United States |
| BTM | Bert Mooney Arpt | Butte | United States |
| BTR | Ryan Airport | Baton Rouge | United States |
| BTT | BETTLES AIRPORT | BETTLES | United States |
| BTV | Burlington Intl Arpt | Burlington | United States |
| BUF | Greater Buffalo Intl Arpt | Buffalo | United States |
| BUR | Burbank Glendale Pasadena Arpt | Burbank | United States |
| BRL | Burlington Municipal Arpt | Burlington | United States |
| BRO | South Padre Island Intl Arpt | Brownsville | United States |
| BRW | Barrow | Barrow | United States |
| BSI | Blairsville Arpt | Blairsville | United States |
| BTI | BARTER ISLAND | BARTER ISLAND | United States |
| BTL | WK Kellogg Regional | Battle Creek | United States |
| BNA | Nashville Metro Arpt | Nashville | United States |
| BOI | Boise Municipal Arpt Gowen Field | Boise | United States |
| BOS | Logan Intl Arpt | Boston | United States |
| BPT | Jefferson Cty Arpt | Beaumont | United States |
| BQK | Glynco Jet Port | Brunswick | United States |
| BRD | Crowwing Cty Arpt | Brainerd | United States |
| BKX | Brookings Municipal | Brookings | United States |
| BLF | Mercer County | Bluefield | United States |
| BLH | Blythe Airport | Blythe | United States |
| BLI | Bellingham Intl Arpt | Bellingham | United States |
| BMG | Monroe Cty Arpt Indiana | Bloomington | United States |
| BMI | Normal Airport | Bloomington | United States |
| BIX | Keesler AFB | Biloxi | United States |
| BJC | Jeffco Arpt | Broomfield | United States |
| BJI | Bemidji Municipal Arpt | Bemidji | United States |
| BKC | BUCKLAND AIRPORT | BUCKLAND | United States |
| BKL | Burke Lakefront Arpt | Cleveland | United States |
| BKW | Raleigh Cty Memorial | Beckley | United States |
| BHM | Seibels Bryan Arpt | Birmingham | United States |
| BID | Block Island Municipal | Block Island | United States |
| BIF | Biggs Army Air Field | El Paso | United States |
| BIH | Bishop Airport | Bishop | United States |
| BIL | Billings Logan Intl Arpt | Billings | United States |
| BIS | Bismarck Municipal Arpt | Bismarck | United States |
| BFP | Beaver Falls Arpt | Beaver Falls | United States |
| BFT | Beaufort County Arpt | Beaufort | United States |
| BGM | Edwin A Link Field | Binghamton | United States |
| BGR | Bangor Intl Arpt | Bangor | United States |
| BGT | BAGDAD | BAGDAD | United States |
| BHB | Hancock County | Bar Harbor | United States |
| BEH | Ross Field | Benton Harbor | United States |
| BET | Bethel Airport | Bethel | United States |
| BFD | Bradford Regional Arpt | Bradford | United States |
| BFF | Scottsbluff Municipal | Scottsbluff | United States |
| BFI | Seattle Boeing Field | Seattle | United States |
| BFL | Meadows Field | Bakersfield | United States |
| BCB | Virginia Tech Arpt | Blacksburg | United States |
| BCE | Bryce Arpt | Bryce | United States |
| BCT | Boca Raton Public | Fort Lauderdale | United States |
| BDL | Bradley Intl Arpt | Hartford | United States |
| BDR | Sikorsky Memorial Arpt | Bridgeport | United States |
| BED | Bedford Arpt | Bedford | United States |
| AVL | Asheville Municipal Arpt | Asheville | United States |
| AVP | Wilkes Barre Scranton Intl Arpt | Scranton | United States |
| AXN | Alexandria Airport | Alexandria | United States |
| AXS | Altus Municipal Arpt | Altus | United States |
| AYS | Ware County Arpt | Waycross | United States |
| AZO | Kalamazoo Cty Arpt | Kalamazoo | United States |
| ATY | Watertown Municipal | Watertown | United States |
| AUG | Maine State Arpt | Augusta | United States |
| AUK | ALAKANUK AIRPORT | ALAKANUK | United States |
| AUO | Auburn Opelika | Columbus | United States |
| AUS | Austin-Bergstrom International Airport | Austin | United States |
| AUW | Wausau Municipal Arpt | Wausau | United States |
| ASH | Boire Field Arpt | Nashua | United States |
| ASL | Harrison County Arpt | Marhsall | United States |
| ATK | ATQASUK AIRPORT | ATQASUK | United States |
| ATL | Hartsfield Intl Arpt | Atlanta | United States |
| ATO | Ohio University Arpt | Athens | United States |
| ATW | Outagamie Cty Arpt | Appleton | United States |
| APN | Phelps Collins Arpt | Alpena | United States |
| ARB | Ann Arbor Municipal | Ann Arbor | United States |
| ARC | ARCTIC VILLAGE | ARCTIC VILLAGE | United States |
| ART | Watertown Arpt | Watertown | United States |
| ARV | Noble F Lee Memorial Field | Minocqua | United States |
| ASE | Pitkin Cty Arptt Sardy Fld | Aspen | United States |
| ANV | ANVIK AIRPORT | ANVIK | United States |
| AOH | Allen County Arpt | Lima | United States |
| AOO | Blair Cty Arpt | Altoona | United States |
| APA | Centennial Airport | Denver | United States |
| APC | Napa Cty Arpt | Napa | United States |
| APF | Naples Municipal | Naples | United States |
| AMA | Amarillo Intl Arpt | Amarillo | United States |
| ANB | Anniston Municipal Arpt | Anniston | United States |
| ANC | Anchorage Intl Arpt | Anchorage | United States |
| AND | Anderson Arpt | Anderson | United States |
| ANI | ANIAK AIRPORT | ANIAK | United States |
| ANP | Lee Annapolis Arpt | Annapolis | United States |
| ALB | Albany Cty Arpt | Albany | United States |
| ALE | Alpine Aprt | Alpine | United States |
| ALM | Alamogordo Municipal | Alamogordo | United States |
| ALO | Livingston Betsworth Fld | Waterloo | United States |
| ALS | Alamosa Municipal | Alamosa | United States |
| ALW | Walla Walla City County | Walla Walla | United States |
| AIY | Bader Field | Atlantic City | United States |
| AIZ | Lee C Fine Memorial | Lake Of The Ozarks | United States |
| AKB | ATKA AIRPORT | ATKA | United States |
| AKI | AKIAK AIRPORT | AKIAK | United States |
| AKN | King Salmon Arpt | King Salmon | United States |
| AKP | ANAKTUVUK PASS AIRPORT | ANAKTUVUK PASS | United States |
| AGS | Bush Field | Augusta | United States |
| AHN | Athens Municipal | Athens | United States |
| AIA | Alliance Municipal | Alliance | United States |
| AID | Anderson Municipal Arpt | Anderson | United States |
| AIK | Aiken Municipal Arpt | Aiken | United States |
| AIN | WAINWRIGHT AIRPORT | WAINWRIGHT | United States |
| ADM | Ardmore Municipal Arpt | Ardmore | United States |
| ADQ | Kodiak Arpt | Kodiak | United States |
| ADW | Andrews Air Force Base | Camp Springs | United States |
| AET | ALLAKAKET AIRPORT | ALLAKAKET | United States |
| AEX | ALEXANDRIA INTERNATIONAL AIRPORT | ALEXANDRIA | United States |
| AGC | Allegheny Cty Arpt | Pittsburgh | United States |
| ABY | Dougherty Cty Arpt | Albany | United States |
| ACK | Nantucket Memorial | Nantucket | United States |
| ACT | Madison Cooper Arpt | Waco | United States |
| ACV | Arcata Eureka Arpt | Eureka | United States |
| ACY | Pomona Field | Atlantic City | United States |
| ADK | ADAK NAVAL AIR STATIION | ADAK IS. | United States |