| AAO | Colonel James Jabara | WICHITA | KS |
| ABQ | Albuquerque Intl Sunport | ALBUQUERQUE | NM |
| ACT | Waco Rgnl | WACO | TX |
| ADS | Addison | DALLAS | TX |
| AFW | Fort Worth Alliance | FORT WORTH | TX |
| AMA | Rick Husband Amarillo Intl | AMARILLO | TX |
| AUS | Austin-Bergstrom Intl | AUSTIN | TX |
| BPT | Jack Brooks Rgnl | BEAUMONT/PORT ARTHUR | TX |
| BTR | Baton Rouge Metro, Ryan Fld | BATON ROUGE | LA |
| BVO | Bartlesville Muni | BARTLESVILLE | OK |
| CDS | Childress Muni | CHILDRESS | TX |
| CNM | Cavern City Air Trml | CARLSBAD | NM |
| CNU | Chanute Martin Johnson | CHANUTE | KS |
| CPS | St Louis Downtown | CAHOKIA/ST LOUIS | IL |
| CRP | Corpus Christi Intl | CORPUS CHRISTI | TX |
| DDC | Dodge City Rgnl | DODGE CITY | KS |
| DFW | Dallas-Fort Worth Intl | DALLAS-FORT WORTH | TX |
| DHT | Dalhart Muni | DALHART | TX |
| DMN | Deming Muni | DEMING | NM |
| DUG | Bisbee Douglas Intl | DOUGLAS BISBEE | AZ |
| DVT | Phoenix Deer Valley | PHOENIX | AZ |
| DWH | David Wayne Hooks Mem | HOUSTON | TX |
| ELD | South Arkansas Rgnl At Goodwin Fld | EL DORADO | AR |
| ELP | El Paso Intl | EL PASO | TX |
| EMP | Emporia Muni | EMPORIA | KS |
| EWK | Newton-City-Co | NEWTON | KS |
| FFZ | Falcon Fld | MESA | AZ |
| FSM | Fort Smith Rgnl | FORT SMITH | AR |
| FTW | Fort Worth Meacham Intl | FORT WORTH | TX |
| GGG | East Texas Rgnl | LONGVIEW | TX |
| GPT | Gulfport-Biloxi Intl | GULFPORT | MS |
| GUP | Gallup Muni | GALLUP | NM |
| HFJ | Monett Rgnl | MONETT | MO |
| HYS | Hays Rgnl | HAYS | KS |
| IAH | George Bush Intcntl/Houston | HOUSTON | TX |
| ICT | Wichita Dwight D Eisenhower National | WICHITA | KS |
| INK | Winkler Co 76 1 E | WINK | TX |
| INW | Winslow-Lindbergh Rgnl | WINSLOW | AZ |
| IRK | Kirksville Rgnl | KIRKSVILLE | MO |
| LBB | Lubbock Preston Smith Intl | LUBBOCK | TX |
| LBL | Liberal Mid-America Rgnl | LIBERAL | KS |
| LCH | Lake Charles Rgnl | LAKE CHARLES | LA |
| LFK | Angelina Co | LUFKIN | TX |
| LFT | Lafayette Rgnl/Paul Fournet Fld | LAFAYETTE | LA |
| LIT | Bill and Hillary Clinton Natl/Adams Fld | LITTLE ROCK | AR |
| LVS | Las Vegas Muni | LAS VEGAS | NM |
| LWC | Lawrence Muni | LAWRENCE | KS |
| MAF | Midland Intl Air and Space Port | MIDLAND | TX |
| MCB | Mc Comb/Pike Co/John E Lewis Fld | MC COMB | MS |
| MCI | Kansas City Intl | KANSAS CITY | MO |
| MKC | Charles B Wheeler Downtown | KANSAS CITY | MO |
| MLC | Mc Alester Rgnl | MC ALESTER | OK |
| MLU | Monroe Rgnl | MONROE | LA |
| MOB | Mobile Rgnl | MOBILE | AL |
| MSY | Louis Armstrong New Orleans Intl | NEW ORLEANS | LA |
| MVN | Mount Vernon | MOUNT VERNON | IL |
| MWL | Mineral Wells | MINERAL WELLS | TX |
| NEW | Lakefront | NEW ORLEANS | LA |
| PIB | Hattiesburg-Laurel Rgnl | HATTIESBURG-LAUREL | MS |
| PNC | Ponca City Rgnl | PONCA CITY | OK |
| PRC | Ernest A Love Fld | PRESCOTT | AZ |
| PSX | Palacios Muni | PALACIOS | TX |
| RKP | Aransas Co | ROCKPORT | TX |
| ROW | Roswell Intl Air Center | ROSWELL | NM |
| RVS | Richard Lloyd Jones Jr | TULSA | OK |
| SAT | San Antonio Intl | SAN ANTONIO | TX |
| SDL | Scottsdale | SCOTTSDALE | AZ |
| SGF | Springfield-Branson National | SPRINGFIELD | MO |
| SPI | Abraham Lincoln Capital | SPRINGFIELD | IL |
| STL | Lambert-St Louis Intl | ST LOUIS | MO |
| SUS | Spirit of St Louis | ST LOUIS | MO |
| TCC | Tucumcari Muni | TUCUMCARI | NM |
| TCS | Truth Or Consequences Muni | TRUTH OR CONSEQUENCES | NM |
| TUL | Tulsa Intl | TULSA | OK |
| UIN | Quincy Rgnl-Baldwin Fld | QUINCY | IL |
| VBT | Bentonville Muni/Louise M Thaden Fld | BENTONVILLE | AR |
| VIH | Rolla National | ROLLA/VICHY | MO |
| ACV | Arcata | ARCATA/EUREKA | CA |
| AKO | Colorado Plains Rgnl | AKRON | CO |
| ALS | San Luis Valley Rgnl/Bergman Fld | ALAMOSA | CO |
| ANI | Aniak | ANIAK | AK |
| ANW | Ainsworth Rgnl | AINSWORTH | NE |
| APA | Centennial | DENVER | CO |
| ASE | Aspen-Pitkin Co/Sardy Fld | ASPEN | CO |
| AST | Astoria Rgnl | ASTORIA | OR |
| BAM | Battle Mountain | BATTLE MOUNTAIN | NV |
| BCE | Bryce Canyon | BAUDETTE | MN |
| BFF | Western Nebraska Rgnl/William B Heilig Fld | SCOTTSBLUFF | NE |
| BFI | Boeing Fld/King Co Intl | SEATTLE | WA |
| BIL | Billings Logan Intl | BILLINGS | MT |
| BJC | Rocky Mountain Metro | DENVER | CO |
| BKE | Baker City Muni | BAKER CITY | OR |
| BNO | Burns Muni | BURNS | OR |
| BOI | Boise Air Terminal/Gowen Fld | BOISE | ID |
| BRW | Wiley Post-Will Rogers Mem | BARROW | AK |
| BTM | Bert Mooney | BUTTE | MT |
| BTT | Bettles | BETTLES | AK |
| BYI | Burley Muni | BURLEY | ID |
| CDC | Cedar City Rgnl | CEDAR CITY | UT |
| CDR | Chadron Muni | CHADRON | NE |
| CDV | Merle K (Mudhole) Smith | CORDOVA | AK |
| CEC | Jack Mc Namara Fld | CRESCENT CITY | CA |
| CEZ | Cortez Muni | CORTEZ | CO |
| COD | Yellowstone Rgnl | CODY | WY |
| COE | Coeur d'Alene – Pappy Boyington Fld | COEUR D'ALENE | ID |
| COS | City of Colorado Springs Muni | COLORADO SPRINGS | CO |
| CPR | Casper/Natrona Co Intl | CASPER | WY |
| CTB | Cut Bank Intl E | CUT BANK | MT |
| DEN | Denver Intl | DENVER | CO |
| DEW | Deer Park | DEER PARK | WA |
| DLG | Dillingham | DILLINGHAM | AK |
| DLN | Dillon | DILLON | MT |
| DRO | Durango-La Plata Co | DURANGO | CO |
| EAT | Pangborn Mem | WENATCHEE | WA |
| EMM | Kemmerer Muni | KEMMERER | WY |
| EPH | Ephrata Muni | EPHRATA | WA |
| EUG | Mahlon Sweet Fld | EUGENE | OR |
| FAI | Fairbanks Intl | FAIRBANKS | AK |
| FNL | Fort Collins-Loveland Muni | FORT COLLINS/LOVELAND | CO |
| FYU | Fort Yukon | FORT YUKON | AK |
| GAL | Edward G Pitka Sr | GALENA | AK |
| GGW | Wokal Fld/Glasgow Intl | GLASGOW | MT |
| GKN | Gulkana | GULKANA | AK |
| GLD | Renner Fld/Goodland Muni/ | GOODLAND | KS |
| GTF | Great Falls Intl | GREAT FALLS | MT |
| GUC | Gunnison-Crested Butte Rgnl | GUNNISON | CO |
| HDN | Yampa Valley | HAYDEN | CO |
| HIO | Portland-Hillsboro | PORTLAND | OR |
| HLN | Helena Rgnl | HELENA | MT |
| HOM | Homer 24 | HOMER | AK |
| HQM | Bowerman | HOQUIAM | WA |
| HVR | Havre City-Co | HAVRE | MT |
| ILI | Iliamna | ILIAMNA | AK |
| ISN | Sloulin Fld Intl | WILLISTON | ND |
| JNU | Juneau Intl | JUNEAU | AK |
| KTN | Ketchikan Intl | KETCHIKAN | AK |
| LAR | Laramie Rgnl | LARAMIE | WY |
| LBF | North Platte Rgnl Arpt Lee Bird Fld | NORTH PLATTE | NE |
| LVM | Mission Fld | LIVINGSTON | MT |
| LWT | Lewistown Muni | LEWISTOWN | MT |
| MCG | Mc Grath | MCGRATH | AK |
| MCK | Mc Cook Ben Nelson Rgnl | MC COOK | NE |
| MLS | Frank Wiley Fld | MILES CITY | MT |
| MTJ | Montrose Rgnl | MONTROSE | CO |
| MWH | Grant Co Intl | MOSES LAKE | WA |
| OME | Nome | NOME | AK |
| ONP | Newport Muni | NEWPORT | OR |
| ORT | Northway | NORTHWAY | AK |
| OTZ | Ralph Wien Mem | KOTZEBUE | AK |
| PAE | Snohomish Co (Paine Fld) | EVERETT | WA |
| PDX | Portland Intl | PORTLAND | OR |
| PSC | Tri-Cities | PASCO | WA |
| PUB | Pueblo Mem | PUEBLO | CO |
| PUW | Pullman/Moscow Rgnl | PULLMAN/MOSCOW | WA |
| PWT | Bremerton National | BREMERTON | WA |
| RIL | Rifle Garfield Co | RIFLE | CO |
| RIW | Riverton Rgnl 14 | RIVERTON | WY |
| RKS | Rock Springs-Sweetwater Co | ROCK SPRINGS | WY |
| RWL | Rawlins Muni/Harvey Fld | RAWLINS | WY |
| SCC | Deadhorse | DEADHORSE | AK |
| SEA | Seattle-Tacoma Intl | SEATTLE | WA |
| SHR | Sheridan Co | SHERIDAN | WY |
| SIT | Sitka Rocky Gutierrez | SITKA | AK |
| SLC | Salt Lake City Intl | SALT LAKE CITY | UT |
| SNY | Sidney Muni/Lloyd W Carr Fld | SIDNEY | NE |
| TAD | Perry Stokes | TRINIDAD | CO |
| TAL | Ralph M Calhoun Mem | TANANA | AK |
| TKA | Talkeetna | TALKEETNA | AK |
| TWF | Joslin Fld – Magic Valley Rgnl | TWIN FALLS | ID |
| UNK | Unalakleet | UNALAKLEET | AK |
| VEL | Vernal Rgnl | VERNAL | UT |
| VTN | Miller Fld | VALENTINE | NE |
| WRL | Worland Muni | WORLAND | WY |
| YAK | Yakutat | YAKUTAT | AK |
| APC | Napa Co | NAPA | CA |
| BFL | Meadows Fld | BAKERSFIELD | CA |
| BIH | Bishop | BISHOP | CA |
| BLH | Blythe | BLYTHE | CA |
| BUR | Bob Hope | BURBANK | CA |
| CCR | Buchanan Fld | CONCORD | CA |
| CMA | Camarillo | CAMARILLO | CA |
| CNO | Chino | CHINO | CA |
| CRQ | Mc Clellan-Palomar | CARLSBAD | CA |
| EED | Needles | NEEDLES | CA |
| EMT | San Gabriel Valley | EL MONTE | CA |
| FAT | Fresno Yosemite Intl | FRESNO | CA |
| GCN | Grand Canyon National Park | GRAND CANYON | AZ |
| HNL | Daniel K Inouye Intl | HONOLULU | HI |
| HWD | Hayward Exec | HAYWARD | CA |
| IPL | Imperial Co | IMPERIAL | CA |
| ITO | Hilo Intl | HILO | HI |
| LAS | Mc Carran Intl | LAS VEGAS | NV |
| LAX | Los Angeles | LOS ANGELES | CA |
| LGB | Long Beach/Daugherty Fld | LONG BEACH | CA |
| LNY | Lanai | LANAI CITY | HI |
| LVK | Livermore Muni | LIVERMORE | CA |
| MCC | Mc Clellan Airfield | SACRAMENTO | CA |
| MCE | Merced Rgnl/Macready Fld | MERCED | CA |
| MMH | Mammoth Yosemite | MAMMOTH LAKES | CA |
| MRY | Monterey Rgnl | MONTEREY | CA |
| MUE | Waimea-Kohala | KAMUELA | HI |
| MYF | Montgomery-Gibbs Exec | SAN DIEGO | CA |
| MYV | Yuba Co | MARYSVILLE | CA |
| OAK | Metro Oakland Intl | OAKLAND | CA |
| OGG | Kahului | KAHULUI | HI |
| ONT | Ontario Intl | ONTARIO | CA |
| PAO | Palo Alto | PALO ALTO | CA |
| POC | Brackett Fld | LA VERNE | CA |
| PRB | Paso Robles Muni | PASO ROBLES | CA |
| PSP | Palm Springs Intl | PALM SPRINGS | CA |
| RBL | Red Bluff Muni | RED BLUFF | CA |
| RHV | Reid-Hillview of Santa Clara Co | SAN JOSE | CA |
| SAN | San Diego Intl | SAN DIEGO | CA |
| SBA | Santa Barbara Muni | SANTA BARBARA | CA |
| SCK | Stockton Metro | STOCKTON | CA |
| SEE | Gillespie Fld | SAN DIEGO/EL CAJON | CA |
| SFO | San Francisco Intl | SAN FRANCISCO | CA |
| SGU | St George Rgnl | ST GEORGE | UT |
| SMF | Sacramento Intl | SACRAMENTO | CA |
| SMO | Santa Monica Muni | SANTA MONICA | CA |
| SNA | John Wayne Arpt-Orange Co | SANTA ANA | CA |
| STS | Charles M Schulz – Sonoma Co | SANTA ROSA | CA |
| TOA | Zamperini Fld | TORRANCE | CA |
| TPH | Tonopah | TONOPAH | NV |
| TRM | Jacqueline Cochran Rgnl | PALM SPRINGS | CA |
| TVL | Lake Tahoe | SOUTH LAKE TAHOE | CA |
| UKI | Ukiah Muni | UKIAH | CA |
| VGT | North Las Vegas | LAS VEGAS | NV |
| VIS | Visalia Muni | VISALIA | CA |
| VNY | Van Nuys | VAN NUYS | CA |
| AGS | Augusta Rgnl At Bush Fld | AUGUSTA | GA |
| AMG | Bacon Co | ALMA | GA |
| ANB | Anniston Rgnl | ANNISTON | AL |
| AND | Anderson Rgnl | ANDERSON | SC |
| ATL | Hartsfield – Jackson Atlanta Intl | ATLANTA | GA |
| AVL | Asheville Rgnl | ASHEVILLE | NC |
| AYS | Waycross-Ware Co | WAYCROSS | GA |
| BHM | Birmingham-Shuttlesworth Intl | BIRMINGHAM | AL |
| BNA | Nashville Intl | NASHVILLE | TN |
| BQK | Brunswick Golden Isles | BRUNSWICK | GA |
| BWG | Bowling Green-Warren Co Rgnl | BOWLING GREEN | KY |
| CAE | Columbia Metro | COLUMBIA | SC |
| CHA | Lovell Fld | CHATTANOOGA | TN |
| CHS | Charleston AFB/Intl | CHARLESTON | SC |
| CLT | Charlotte/Douglas Intl | CHARLOTTE | NC |
| CSG | Columbus | COLUMBUS | GA |
| CSV | Crossville Mem-Whitson Fld | CROSSVILLE | TN |
| DAB | Daytona Beach | DAYTONA BEACH | FL |
| DKX | Knoxville Downtown Island | KNOXVILLE | TN |
| DYR | Dyersburg Rgnl | DYERSBURG | TN |
| FLL | Fort Lauderdale/Hollywood Intl | FORT LAUDERDALE | FL |
| FLO | Florence Rgnl | FLORENCE | SC |
| FPR | Treasure Coast Intl | FORT PIERCE | FL |
| FXE | Fort Lauderdale Exec | FORT LAUDERDALE | FL |
| GSO | Piedmont Triad Intl | GREENSBORO | NC |
| GSP | Greenville Spartanburg Intl | GREER | SC |
| HOT | Memorial Fld | HOT SPRINGS | AR |
| HRO | Boone Co | HARRISON | AR |
| HSV | Huntsville Intl-Carl T Jones Fld | HUNTSVILLE | AL |
| JAN | Jackson-Medgar Wiley Evers Intl | JACKSON | MS |
| JAX | Jacksonville Intl | JACKSONVILLE | FL |
| JBR | Jonesboro Muni | JONESBORO | AR |
| MAZ | Eugenio Maria De Hostos | MAYAGUEZ | PR |
| MCO | Orlando Intl | ORLANDO | FL |
| MEM | Memphis Intl | MEMPHIS | TN |
| MGM | Montgomery Rgnl (Dannelly Fld) | MONTGOMERY | AL |
| MSL | Northwest Alabama RGNL | MUSCLE SHOALS | AL |
| MYR | Myrtle Beach Intl | MYRTLE BEACH | SC |
| ORL | Executive | ORLANDO | FL |
| PBF | Grider Fld | PINE BLUFF | AR |
| PBI | Palm Beach Intl | WEST PALM BEACH | FL |
| PDK | Dekalb-Peachtree | ATLANTA | GA |
| PIE | St Pete-Clearwater Intl | ST PETERSBURG-CLEARWATER | FL |
| PSE | Mercedita | PONCE | PR |
| RSW | Southwest Florida Intl | FORT MYERS | FL |
| SAV | Savannah/Hilton Head Intl | SAVANNAH | GA |
| SFB | Orlando Sanford Intl | ORLANDO | FL |
| SJU | Luis Munoz Marin Intl | SAN JUAN | PR |
| SPA | Spartanburg Downtown Mem | SPARTANBURG | SC |
| SRQ | Sarasota/Bradenton Intl | SARASOTA/BRADENTON | FL |
| SSI | McKinnon St Simons Island | BRUNSWICK | GA |
| TLH | Tallahassee Intl | TALLAHASSEE | FL |
| TMB | Miami Exec | MIAMI | FL |
| TNT | Dade-Collier Training and Transition | MIAMI | FL |
| TPA | Tampa Intl | TAMPA | FL |
| TRI | Tri-Cities | BRISTOL/JOHNSON/KINGSPORT | TN |
| TYS | Mc Ghee Tyson | KNOXVILLE | TN |
| VRB | Vero Beach Rgnl | VERO BEACH | FL |
| ABE | Lehigh Valley Intl | ALLENTOWN | PA |
| ACK | Nantucket Memorial | NANTUCKET | MA |
| ACY | Atlantic City Intl | ATLANTIC CITY | NJ |
| ALB | Albany Intl | ALBANY | NY |
| AUG | Augusta State | AUGUSTA | ME |
| AVP | Wilkes-Barre/Scranton Intl | WILKES-BARRE/SCRANTON | PA |
| BDL | Bradley Intl | WINDSOR LOCKS | CT |
| BED | Laurence G Hanscom Fld | BEDFORD | MA |
| BGM | Greater Binghamton/Edwin A Link Fld | BINGHAMTON | NY |
| BGR | Bangor Intl | BANGOR | ME |
| BHB | Hancock Co-Bar Harbor | BAR HARBOR | ME |
| BOS | General Edward Lawrence Logan Intl | BOSTON | MA |
| BTV | Burlington Intl | BURLINGTON | VT |
| CDW | Essex County | CALDWELL | NJ |
| CON | Concord Municipal | CONCORD | NH |
| DAN | Danville Rgnl | DANVILLE | VA |
| ELM | Elmira/Corning Rgnl | ELMIRA/CORNING | NY |
| FAY | Fayetteville Rgnl/Grannis Fld | FAYETTEVILLE | NC |
| FRG | Republic | FARMINGDALE | NY |
| GFL | Floyd Bennett Memorial | GLENS FALLS | NY |
| HPN | Westchester Co | WHITE PLAINS | NY |
| HSP | Ingalls Fld | HOT SPRINGS | VA |
| HUL | Houlton Intl | HOULTON | ME |
| ILG | New Castle | WILMINGTON | DE |
| ILM | Wilmington Intl | WILMINGTON | NC |
| ISP | Long Island Mac Arthur | NEW YORK | NY |
| JFK | John F Kennedy Intl | NEW YORK | NY |
| MDT | Harrisburg Intl | HARRISBURG | PA |
| MHT | Manchester | MANCHESTER | NH |
| MIV | Millville Muni | MILLVILLE | NJ |
| MMU | Morristown Muni | MORRISTOWN | NJ |
| MPV | Edward F Knapp State | BARRE/MONTPELIER | VT |
| MSS | Massena Intl-Richards Fld | MASSENA | NY |
| OAJ | Albert J Ellis | JACKSONVILLE | NC |
| ORF | Norfolk Intl | NORFOLK | VA |
| PGV | Pitt-Greenville | GREENVILLE | NC |
| PHF | Newport News/Williamsburg Intl | NEWPORT NEWS | VA |
| PHL | Philadelphia Intl | PHILADELPHIA | PA |
| PNE | Northeast Philadelphia | PHILADELPHIA | PA |
| POU | Hudson Valley Rgnl | POUGHKEEPSIE | NY |
| PQI | Northern Maine Rgnl at Presque Is | PRESQUE ISLE | ME |
| PVD | Theodore Francis Green State | PROVIDENCE | RI |
| PWM | Portland Intl Jetport | PORTLAND | ME |
| RDG | Reading Rgnl/Carl A Spaatz Fld | READING | PA |
| RDU | Raleigh-Durham Intl | RALEIGH/DURHAM | NC |
| RIC | Richmond Intl | RICHMOND | VA |
| ROA | Roanoke-Blacksburg Rgnl/Woodrum Fld | ROANOKE | VA |
| RWI | Rocky Mount-Wilson Rgnl | ROCKY MOUNT | NC |
| SHD | Shenandoah Valley Rgnl | STAUNTON/WAYNESBORO/HARRISONBURG | VA |
| SYR | Syracuse Hancock Intl | SYRACUSE | NY |
| TEB | Teterboro | TETERBORO | NJ |
| THV | York | YORK | PA |
| AGC | Allegheny Co | PITTSBURGH | PA |
| AKR | Akron Fulton Intl | AKRON | OH |
| ALO | Waterloo Rgnl | WATERLOO | IA |
| AMW | Ames Muni | AMES | IA |
| ARB | Ann Arbor Muni | ANN ARBOR | MI |
| ARR | Aurora Muni | CHICAGO/AURORA | IL |
| AZO | Kalamazoo/Battle Creek Intl | KALAMAZOO | MI |
| BEH | Southwest Michigan Rgnl | BENTON HARBOR | MI |
| BFD | Bradford Rgnl | BRADFORD | PA |
| BIS | Bismarck Muni | BISMARCK | ND |
| BKW | Raleigh Co Mem | BECKLEY | WV |
| BLF | Mercer Co | BLUEFIELD | WV |
| BRL | Southeast Iowa Rgnl | BURLINGTON | IA |
| BUF | Buffalo Niagara Intl | BUFFALO | NY |
| CAK | Akron-Canton Rgnl | AKRON | OH |
| CID | The Eastern Iowa | CEDAR RAPIDS | IA |
| CKB | North Central West Virginia | CLARKSBURG | WV |
| CLE | Cleveland-Hopkins Intl | CLEVELAND | OH |
| CMH | John Glenn Columbus Intl | COLUMBUS | OH |
| CMI | University of Illinois-Willard | CHAMPAIGN/URBANA | IL |
| CRW | Yeager | CHARLESTON | WV |
| CWI | Clinton Muni | CLINTON | IA |
| DAY | James M Cox Dayton Intl | DAYTON | OH |
| DLH | Duluth Intl | DULUTH | MN |
| DPA | Dupage | CHICAGO/WEST CHICAGO | IL |
| DSM | Des Moines Intl | DES MOINES | IA |
| DTW | Detroit Metro Wayne Co | DETROIT | MI |
| DUJ | Dubois Rgnl | DUBOIS | PA |
| DVN | Davenport Muni | DAVENPORT | IA |
| EKN | Elkins-Randolph Co-Jennings Randolph Fld | ELKINS | WV |
| ERI | Erie Intl/Tom Ridge Fld | ERIE | PA |
| EVV | Evansville Rgnl | EVANSVILLE | IN |
| FAR | Hector Intl | FARGO | ND |
| FCM | Flying Cloud | MINNEAPOLIS | MN |
| FDY | Findlay | FINDLAY | OH |
| FKL | Venango Rgnl | FRANKLIN | PA |
| FNT | Bishop Intl | FLINT | MI |
| FSD | Joe Foss Fld | SIOUX FALLS | SD |
| FWA | Fort Wayne Intl | FORT WAYNE | IN |
| GBG | Galesburg Muni | GREAT BEND | KS |
| GFK | Grand Forks Intl | GRAND FORKS | ND |
| GRB | Green Bay-Austin Straubel Intl | GREEN BAY | WI |
| GRR | Gerald R Ford Intl | GRAND RAPIDS | MI |
| HIB | Range Rgnl | HIBBING | MN |
| HTS | Tri-State/Milton J Ferguson Fld | HUNTINGTON | WV |
| HUF | Terre Haute Intl-Hulman Fld | TERRE HAUTE | IN |
| IKV | Ankeny Rgnl | ANKENY | IA |
| IND | Indianapolis Intl | INDIANAPOLIS | IN |
| INL | Falls Intl-Einarson Fld | INTERNATIONAL FALLS | MN |
| JHW | Chautauqua Co/Jamestown | JAMESTOWN | NY |
| LAF | Purdue University | LAFAYETTE | IN |
| LAN | Capital Region Intl | LANSING | MI |
| LEX | Blue Grass | LEXINGTON | KY |
| LNR | Tri-Co Rgnl | LONE ROCK | WI |
| LOU | Bowman Fld | LOUISVILLE | KY |
| LOZ | London-Corbin Arpt-Magee Fld | LONDON | KY |
| MBS | Mbs Intl | SAGINAW | MI |
| MDW | Chicago Midway Intl | CHICAGO | IL |
| MFD | Mansfield Lahm Rgnl | MANSFIELD | OH |
| MIC | Crystal | MINNEAPOLIS | MN |
| MKE | General Mitchell Intl | MILWAUKEE | WI |
| MKG | Muskegon Co | MUSKEGON | MI |
| MLI | Quad City Intl | MOLINE | IL |
| MRJ | Iowa Co | MINERAL POINT | WI |
| MSN | Dane Co Rgnl-Truax Fld | MADISON | WI |
| MSP | Minneapolis-St Paul Intl/Wold-Chamberlain | MINNEAPOLIS | MN |
| MUT | Muscatine Muni | MUSCATINE | IA |
| ORD | Chicago O'Hare Intl | CHICAGO | IL |
| OTM | Ottumwa Rgnl | OTTUMWA | IA |
| PIA | General Downing-Peoria Intl | PEORIA | IL |
| PIT | Pittsburgh Intl | PITTSBURGH | PA |
| PTK | Oakland Co Intl | PONTIAC | MI |
| PWK | Chicago Exec | CHICAGO/PROSPECT HEIGHTS/WHEELING | IL |
| RFD | Chicago/Rockford Intl | CHICAGO/ROCKFORD | IL |
| ROC | Greater Rochester Intl | ROCHESTER | NY |
| RST | Rochester Intl | ROCHESTER | MN |
| SBN | South Bend Intl | SOUTH BEND | IN |
| SDF | Louisville Intl-Standiford Fld | LOUISVILLE | KY |
| SME | Lake Cumberland Rgnl | SOMERSET | KY |
| STP | St Paul Downtown Holman Fld | ST PAUL | MN |
| SUX | Sioux Gateway/Col Bud Day Fld | SIOUX CITY | IA |
| TNU | Newton Muni-Earl Johnson Fld | NEWTON | IA |
| TOL | Toledo Express | TOLEDO | OH |
| TVC | Cherry Capital | TRAVERSE CITY | MI |
| YIP | Willow Run | DETROIT | MI |
| YNG | Youngstown-Warren Rgnl | YOUNGSTOWN/WARREN | OH |
| ZZV | Zanesville Muni | ZANESVILLE | OH |
| ABR | Aberdeen Rgnl | ABERDEEN | SD |
| ANC | Ted Stevens Anchorage Intl | ANCHORAGE | AK |
| ATY | Watertown Rgnl | WATERTOWN | SD |
| AXN | Chandler Fld | ALEXANDRIA | MN |
| BJI | Bemidji Rgnl | BEMIDJI | MN |
| BKX | Brookings Rgnl | BROOKINGS | SD |
| BRD | Brainerd Lakes Rgnl | BRAINERD | MN |
| CMX | Houghton Co Mem | HANCOCK | MI |
| CVG | Cincinnati/Northern Kentucky Intl | COVINGTON | KY |
| DIK | Dickinson – Theodore Roosevelt Rgnl | DICKINSON | ND |
| DVL | Devils Lake Rgnl | DEVILS LAKE | ND |
| EAR | Kearney Rgnl | KEARNEY | NE |
| ELO | Ely Muni | ELY | MN |
| ESC | Delta Co | ESCANABA | MI |
| FFM | Fergus Falls Muni-Einar Mickelson Fld | FERGUS FALLS | MN |
| FOD | Fort Dodge Rgnl | FORT DODGE | IA |
| FRM | Fairmont Muni | FAIRMONT | MN |
| GPZ | Grand Rapids/Itasca Co-Gordon Newstrom Fld | GRAND RAPIDS | MN |
| HON | Huron Rgnl | HURON | SD |
| HSI | Hastings Muni | HASTINGS | NE |
| IMT | Ford | IRON MOUNTAIN KINGSFORD | MI |
| IWD | Gogebic-Iron Co | IRONWOOD | MI |
| JMS | Jamestown Rgnl | JAMESTOWN | ND |
| LHD | Lake Hood | ANCHORAGE | AK |
| LNK | Lincoln | LINCOLN | NE |
| MCW | Mason City Muni E | MASON CITY | IA |
| MHE | Mitchell Muni | MITCHELL | SD |
| MIA | Miami Intl | MIAMI | FL |
| MKT | Mankato Rgnl | MANKATO | MN |
| MRI | Merrill Fld | ANCHORAGE | AK |
| OFK | Norfolk Rgnl/Karl Stefan Mem Fld | NORFOLK | NE |
| OLU | Columbus Muni | COLUMBUS | NE |
| OSC | Oscoda-Wurtsmith | OSCODA | MI |
| OTG | Worthington Muni | WORTHINGTON | MN |
| PHX | Phoenix Sky Harbor Intl | PHOENIX | AZ |
| PIR | Pierre Rgnl | PIERRE | SD |
| PLN | Pellston Rgnl Arpt of Emmet Co | PELLSTON | MI |
| RHI | Rhinelander-Oneida Co | RHINELANDER | WI |
| RNO | Reno/Tahoe Intl | RENO | NV |
| RWF | Redwood Falls Muni | REDWOOD FALLS | MN |
| SJC | Norman Y Mineta San Jose Intl | SAN JOSE | CA |
| SLB | Storm Lake Muni | STORM LAKE | IA |
| SPW | Spencer Muni | SPENCER | IA |
| TVF | Thief River Falls Rgnl | THIEF RIVER FALLS | MN |
| YKN | Chan Gurney Muni | YANKTON | SD |
| ABI | Abilene Rgnl | ABILENE | TX |
| OKC | Will Rogers World | OKLAHOMA CITY | OK |
| SHV | Shreveport Rgnl | SHREVEPORT | LA |
| TUS | Tucson Intl | TUCSON | AZ |
| VNY | Van Nuys | VAN NUYS | CA |
| AAO | Colonel James Jabara | WICHITA | KS |
| ABE | Lehigh Valley Intl | ALLENTOWN | PA |
| ABI | Abilene Rgnl | ABILENE | TX |
| ABQ | Albuquerque Intl Sunport | ALBUQUERQUE | NM |
| ABR | Aberdeen Rgnl | ABERDEEN | SD |
| ACK | Nantucket Memorial | NANTUCKET | MA |
| ACT | Waco Rgnl | WACO | TX |
| ACV | Arcata | ARCATA/EUREKA | CA |
| ACY | Atlantic City Intl | ATLANTIC CITY | NJ |
| ADS | Addison | DALLAS | TX |
| AFW | Fort Worth Alliance | FORT WORTH | TX |
| AGC | Allegheny Co | PITTSBURGH | PA |
| AGS | Augusta Rgnl At Bush Fld | AUGUSTA | GA |
| AKO | Colorado Plains Rgnl | AKRON | CO |
| AKR | Akron Fulton Intl | AKRON | OH |
| ALB | Albany Intl | ALBANY | NY |
| ALO | Waterloo Rgnl | WATERLOO | IA |
| ALS | San Luis Valley Rgnl/Bergman Fld | ALAMOSA | CO |
| AMA | Rick Husband Amarillo Intl | AMARILLO | TX |
| AMG | Bacon Co | ALMA | GA |
| AMW | Ames Muni | AMES | IA |
| ANB | Anniston Rgnl | ANNISTON | AL |
| ANC | Ted Stevens Anchorage Intl | ANCHORAGE | AK |
| AND | Anderson Rgnl | ANDERSON | SC |
| ANI | Aniak | ANIAK | AK |
| ANW | Ainsworth Rgnl | AINSWORTH | NE |
| APA | Centennial | DENVER | CO |
| APC | Napa Co | NAPA | CA |
| ARB | Ann Arbor Muni | ANN ARBOR | MI |
| ARR | Aurora Muni | CHICAGO/AURORA | IL |
| ASE | Aspen-Pitkin Co/Sardy Fld | ASPEN | CO |
| AST | Astoria Rgnl | ASTORIA | OR |
| ATL | Hartsfield – Jackson Atlanta Intl | ATLANTA | GA |
| ATY | Watertown Rgnl | WATERTOWN | SD |
| AUG | Augusta State | AUGUSTA | ME |
| AUS | Austin-Bergstrom Intl | AUSTIN | TX |
| AVL | Asheville Rgnl | ASHEVILLE | NC |
| AVP | Wilkes-Barre/Scranton Intl | WILKES-BARRE/SCRANTON | PA |
| AXN | Chandler Fld | ALEXANDRIA | MN |
| AYS | Waycross-Ware Co | WAYCROSS | GA |
| AZO | Kalamazoo/Battle Creek Intl | KALAMAZOO | MI |
| BAM | Battle Mountain | BATTLE MOUNTAIN | NV |
| BCE | Bryce Canyon | BAUDETTE | MN |
| BDL | Bradley Intl | WINDSOR LOCKS | CT |
| BED | Laurence G Hanscom Fld | BEDFORD | MA |
| BEH | Southwest Michigan Rgnl | BENTON HARBOR | MI |
| BFD | Bradford Rgnl | BRADFORD | PA |
| BFF | Western Nebraska Rgnl/William B Heilig Fld | SCOTTSBLUFF | NE |
| BFI | Boeing Fld/King Co Intl | SEATTLE | WA |
| BFL | Meadows Fld | BAKERSFIELD | CA |
| BGM | Greater Binghamton/Edwin A Link Fld | BINGHAMTON | NY |
| BGR | Bangor Intl | BANGOR | ME |
| BHB | Hancock Co-Bar Harbor | BAR HARBOR | ME |
| BHM | Birmingham-Shuttlesworth Intl | BIRMINGHAM | AL |
| BIH | Bishop | BISHOP | CA |
| BIL | Billings Logan Intl | BILLINGS | MT |
| BIS | Bismarck Muni | BISMARCK | ND |
| BJC | Rocky Mountain Metro | DENVER | CO |
| BJI | Bemidji Rgnl | BEMIDJI | MN |
| BKE | Baker City Muni | BAKER CITY | OR |
| BKW | Raleigh Co Mem | BECKLEY | WV |
| BKX | Brookings Rgnl | BROOKINGS | SD |
| BLF | Mercer Co | BLUEFIELD | WV |
| BLH | Blythe | BLYTHE | CA |
| BNA | Nashville Intl | NASHVILLE | TN |
| BNO | Burns Muni | BURNS | OR |
| BOI | Boise Air Terminal/Gowen Fld | BOISE | ID |
| BOS | General Edward Lawrence Logan Intl | BOSTON | MA |
| BPT | Jack Brooks Rgnl | BEAUMONT/PORT ARTHUR | TX |
| BQK | Brunswick Golden Isles | BRUNSWICK | GA |
| BRD | Brainerd Lakes Rgnl | BRAINERD | MN |
| BRL | Southeast Iowa Rgnl | BURLINGTON | IA |
| BRW | Wiley Post-Will Rogers Mem | BARROW | AK |
| BTM | Bert Mooney | BUTTE | MT |
| BTR | Baton Rouge Metro, Ryan Fld | BATON ROUGE | LA |
| BTT | Bettles | BETTLES | AK |
| BTV | Burlington Intl | BURLINGTON | VT |
| BUF | Buffalo Niagara Intl | BUFFALO | NY |
| BUR | Bob Hope | BURBANK | CA |
| BVO | Bartlesville Muni | BARTLESVILLE | OK |
| BWG | Bowling Green-Warren Co Rgnl | BOWLING GREEN | KY |
| BYI | Burley Muni | BURLEY | ID |
| CAE | Columbia Metro | COLUMBIA | SC |
| CAK | Akron-Canton Rgnl | AKRON | OH |
| CCR | Buchanan Fld | CONCORD | CA |
| CDC | Cedar City Rgnl | CEDAR CITY | UT |
| CDR | Chadron Muni | CHADRON | NE |
| CDS | Childress Muni | CHILDRESS | TX |
| CDV | Merle K (Mudhole) Smith | CORDOVA | AK |
| CDW | Essex County | CALDWELL | NJ |
| CEC | Jack Mc Namara Fld | CRESCENT CITY | CA |
| CEZ | Cortez Muni | CORTEZ | CO |
| CHA | Lovell Fld | CHATTANOOGA | TN |
| CHS | Charleston AFB/Intl | CHARLESTON | SC |
| CID | The Eastern Iowa | CEDAR RAPIDS | IA |
| CKB | North Central West Virginia | CLARKSBURG | WV |
| CLE | Cleveland-Hopkins Intl | CLEVELAND | OH |
| CLT | Charlotte/Douglas Intl | CHARLOTTE | NC |
| CMA | Camarillo | CAMARILLO | CA |
| CMH | John Glenn Columbus Intl | COLUMBUS | OH |
| CMI | University of Illinois-Willard | CHAMPAIGN/URBANA | IL |
| CMX | Houghton Co Mem | HANCOCK | MI |
| CNM | Cavern City Air Trml | CARLSBAD | NM |
| CNO | Chino | CHINO | CA |
| CNU | Chanute Martin Johnson | CHANUTE | KS |
| COD | Yellowstone Rgnl | CODY | WY |
| COE | Coeur d'Alene – Pappy Boyington Fld | COEUR D'ALENE | ID |
| CON | Concord Municipal | CONCORD | NH |
| COS | City of Colorado Springs Muni | COLORADO SPRINGS | CO |
| CPR | Casper/Natrona Co Intl | CASPER | WY |
| CPS | St Louis Downtown | CAHOKIA/ST LOUIS | IL |
| CRP | Corpus Christi Intl | CORPUS CHRISTI | TX |
| CRQ | Mc Clellan-Palomar | CARLSBAD | CA |
| CRW | Yeager | CHARLESTON | WV |
| CSG | Columbus | COLUMBUS | GA |
| CSV | Crossville Mem-Whitson Fld | CROSSVILLE | TN |
| CTB | Cut Bank Intl E | CUT BANK | MT |
| CVG | Cincinnati/Northern Kentucky Intl | COVINGTON | KY |
| CWI | Clinton Muni | CLINTON | IA |
| DAB | Daytona Beach | DAYTONA BEACH | FL |
| DAN | Danville Rgnl | DANVILLE | VA |
| DAY | James M Cox Dayton Intl | DAYTON | OH |
| DDC | Dodge City Rgnl | DODGE CITY | KS |
| DEN | Denver Intl | DENVER | CO |
| DEW | Deer Park | DEER PARK | WA |
| DFW | Dallas-Fort Worth Intl | DALLAS-FORT WORTH | TX |
| DHT | Dalhart Muni | DALHART | TX |
| DIK | Dickinson – Theodore Roosevelt Rgnl | DICKINSON | ND |
| DKX | Knoxville Downtown Island | KNOXVILLE | TN |
| DLG | Dillingham | DILLINGHAM | AK |
| DLH | Duluth Intl | DULUTH | MN |
| DLN | Dillon | DILLON | MT |
| DMN | Deming Muni | DEMING | NM |
| DPA | Dupage | CHICAGO/WEST CHICAGO | IL |
| DRO | Durango-La Plata Co | DURANGO | CO |
| DSM | Des Moines Intl | DES MOINES | IA |
| DTW | Detroit Metro Wayne Co | DETROIT | MI |
| DUG | Bisbee Douglas Intl | DOUGLAS BISBEE | AZ |
| DUJ | Dubois Rgnl | DUBOIS | PA |
| DVL | Devils Lake Rgnl | DEVILS LAKE | ND |
| DVN | Davenport Muni | DAVENPORT | IA |
| DVT | Phoenix Deer Valley | PHOENIX | AZ |
| DWH | David Wayne Hooks Mem | HOUSTON | TX |
| DYR | Dyersburg Rgnl | DYERSBURG | TN |
| EAR | Kearney Rgnl | KEARNEY | NE |
| EAT | Pangborn Mem | WENATCHEE | WA |
| EED | Needles | NEEDLES | CA |
| EKN | Elkins-Randolph Co-Jennings Randolph Fld | ELKINS | WV |
| ELD | South Arkansas Rgnl At Goodwin Fld | EL DORADO | AR |
| ELM | Elmira/Corning Rgnl | ELMIRA/CORNING | NY |
| ELO | Ely Muni | ELY | MN |
| ELP | El Paso Intl | EL PASO | TX |
| EMM | Kemmerer Muni | KEMMERER | WY |
| EMP | Emporia Muni | EMPORIA | KS |
| EMT | San Gabriel Valley | EL MONTE | CA |
| EPH | Ephrata Muni | EPHRATA | WA |
| ERI | Erie Intl/Tom Ridge Fld | ERIE | PA |
| ESC | Delta Co | ESCANABA | MI |
| EUG | Mahlon Sweet Fld | EUGENE | OR |
| EVV | Evansville Rgnl | EVANSVILLE | IN |
| EWK | Newton-City-Co | NEWTON | KS |
| FAI | Fairbanks Intl | FAIRBANKS | AK |
| FAR | Hector Intl | FARGO | ND |
| FAT | Fresno Yosemite Intl | FRESNO | CA |
| FAY | Fayetteville Rgnl/Grannis Fld | FAYETTEVILLE | NC |
| FCM | Flying Cloud | MINNEAPOLIS | MN |
| FDY | Findlay | FINDLAY | OH |
| FFM | Fergus Falls Muni-Einar Mickelson Fld | FERGUS FALLS | MN |
| FFZ | Falcon Fld | MESA | AZ |
| FKL | Venango Rgnl | FRANKLIN | PA |
| FLL | Fort Lauderdale/Hollywood Intl | FORT LAUDERDALE | FL |
| FLO | Florence Rgnl | FLORENCE | SC |
| FNL | Fort Collins-Loveland Muni | FORT COLLINS/LOVELAND | CO |
| FNT | Bishop Intl | FLINT | MI |
| FOD | Fort Dodge Rgnl | FORT DODGE | IA |
| FPR | Treasure Coast Intl | FORT PIERCE | FL |
| FRG | Republic | FARMINGDALE | NY |
| FRM | Fairmont Muni | FAIRMONT | MN |
| FSD | Joe Foss Fld | SIOUX FALLS | SD |
| FSM | Fort Smith Rgnl | FORT SMITH | AR |
| FTW | Fort Worth Meacham Intl | FORT WORTH | TX |
| FWA | Fort Wayne Intl | FORT WAYNE | IN |
| FXE | Fort Lauderdale Exec | FORT LAUDERDALE | FL |
| FYU | Fort Yukon | FORT YUKON | AK |
| GAL | Edward G Pitka Sr | GALENA | AK |
| GBG | Galesburg Muni | GREAT BEND | KS |
| GCN | Grand Canyon National Park | GRAND CANYON | AZ |
| GFK | Grand Forks Intl | GRAND FORKS | ND |
| GFL | Floyd Bennett Memorial | GLENS FALLS | NY |
| GGG | East Texas Rgnl | LONGVIEW | TX |
| GGW | Wokal Fld/Glasgow Intl | GLASGOW | MT |
| GKN | Gulkana | GULKANA | AK |
| GLD | Renner Fld/Goodland Muni/ | GOODLAND | KS |
| GPT | Gulfport-Biloxi Intl | GULFPORT | MS |
| GPZ | Grand Rapids/Itasca Co-Gordon Newstrom Fld | GRAND RAPIDS | MN |
| GRB | Green Bay-Austin Straubel Intl | GREEN BAY | WI |
| GRR | Gerald R Ford Intl | GRAND RAPIDS | MI |
| GSO | Piedmont Triad Intl | GREENSBORO | NC |
| GSP | Greenville Spartanburg Intl | GREER | SC |
| GTF | Great Falls Intl | GREAT FALLS | MT |
| GUC | Gunnison-Crested Butte Rgnl | GUNNISON | CO |
| GUP | Gallup Muni | GALLUP | NM |
| HDN | Yampa Valley | HAYDEN | CO |
| HFJ | Monett Rgnl | MONETT | MO |
| HIB | Range Rgnl | HIBBING | MN |
| HIO | Portland-Hillsboro | PORTLAND | OR |
| HLN | Helena Rgnl | HELENA | MT |
| HNL | Daniel K Inouye Intl | HONOLULU | HI |
| HOM | Homer 24 | HOMER | AK |
| HON | Huron Rgnl | HURON | SD |
| HOT | Memorial Fld | HOT SPRINGS | AR |
| HPN | Westchester Co | WHITE PLAINS | NY |
| HQM | Bowerman | HOQUIAM | WA |
| HRO | Boone Co | HARRISON | AR |
| HSI | Hastings Muni | HASTINGS | NE |
| HSP | Ingalls Fld | HOT SPRINGS | VA |
| HSV | Huntsville Intl-Carl T Jones Fld | HUNTSVILLE | AL |
| HTS | Tri-State/Milton J Ferguson Fld | HUNTINGTON | WV |
| HUF | Terre Haute Intl-Hulman Fld | TERRE HAUTE | IN |
| HUL | Houlton Intl | HOULTON | ME |
| HVR | Havre City-Co | HAVRE | MT |
| HWD | Hayward Exec | HAYWARD | CA |
| HYS | Hays Rgnl | HAYS | KS |
| IAH | George Bush Intcntl/Houston | HOUSTON | TX |
| ICT | Wichita Dwight D Eisenhower National | WICHITA | KS |
| IKV | Ankeny Rgnl | ANKENY | IA |
| ILG | New Castle | WILMINGTON | DE |
| ILI | Iliamna | ILIAMNA | AK |
| ILM | Wilmington Intl | WILMINGTON | NC |
| IMT | Ford | IRON MOUNTAIN KINGSFORD | MI |
| IND | Indianapolis Intl | INDIANAPOLIS | IN |
| INK | Winkler Co 76 1 E | WINK | TX |
| INL | Falls Intl-Einarson Fld | INTERNATIONAL FALLS | MN |
| INW | Winslow-Lindbergh Rgnl | WINSLOW | AZ |
| IPL | Imperial Co | IMPERIAL | CA |
| IRK | Kirksville Rgnl | KIRKSVILLE | MO |
| ISN | Sloulin Fld Intl | WILLISTON | ND |
| ISP | Long Island Mac Arthur | NEW YORK | NY |
| ITO | Hilo Intl | HILO | HI |
| IWD | Gogebic-Iron Co | IRONWOOD | MI |
| JAN | Jackson-Medgar Wiley Evers Intl | JACKSON | MS |
| JAX | Jacksonville Intl | JACKSONVILLE | FL |
| JBR | Jonesboro Muni | JONESBORO | AR |
| JFK | John F Kennedy Intl | NEW YORK | NY |
| JHW | Chautauqua Co/Jamestown | JAMESTOWN | NY |
| JMS | Jamestown Rgnl | JAMESTOWN | ND |
| JNU | Juneau Intl | JUNEAU | AK |
| KTN | Ketchikan Intl | KETCHIKAN | AK |
| LAF | Purdue University | LAFAYETTE | IN |
| LAN | Capital Region Intl | LANSING | MI |
| LAR | Laramie Rgnl | LARAMIE | WY |
| LAS | Mc Carran Intl | LAS VEGAS | NV |
| LAX | Los Angeles | LOS ANGELES | CA |
| LBB | Lubbock Preston Smith Intl | LUBBOCK | TX |
| LBF | North Platte Rgnl Arpt Lee Bird Fld | NORTH PLATTE | NE |
| LBL | Liberal Mid-America Rgnl | LIBERAL | KS |
| LCH | Lake Charles Rgnl | LAKE CHARLES | LA |
| LEX | Blue Grass | LEXINGTON | KY |
| LFK | Angelina Co | LUFKIN | TX |
| LFT | Lafayette Rgnl/Paul Fournet Fld | LAFAYETTE | LA |
| LGB | Long Beach/Daugherty Fld | LONG BEACH | CA |
| LHD | Lake Hood | ANCHORAGE | AK |
| LIT | Bill and Hillary Clinton Natl/Adams Fld | LITTLE ROCK | AR |
| LNK | Lincoln | LINCOLN | NE |
| LNR | Tri-Co Rgnl | LONE ROCK | WI |
| LNY | Lanai | LANAI CITY | HI |
| LOU | Bowman Fld | LOUISVILLE | KY |
| LOZ | London-Corbin Arpt-Magee Fld | LONDON | KY |
| LVK | Livermore Muni | LIVERMORE | CA |
| LVM | Mission Fld | LIVINGSTON | MT |
| LVS | Las Vegas Muni | LAS VEGAS | NM |
| LWC | Lawrence Muni | LAWRENCE | KS |
| LWT | Lewistown Muni | LEWISTOWN | MT |
| MAF | Midland Intl Air and Space Port | MIDLAND | TX |
| MAZ | Eugenio Maria De Hostos | MAYAGUEZ | PR |
| MBS | Mbs Intl | SAGINAW | MI |
| MCB | Mc Comb/Pike Co/John E Lewis Fld | MC COMB | MS |
| MCC | Mc Clellan Airfield | SACRAMENTO | CA |
| MCE | Merced Rgnl/Macready Fld | MERCED | CA |
| MCG | Mc Grath | MCGRATH | AK |
| MCI | Kansas City Intl | KANSAS CITY | MO |
| MCK | Mc Cook Ben Nelson Rgnl | MC COOK | NE |
| MCO | Orlando Intl | ORLANDO | FL |
| MCW | Mason City Muni E | MASON CITY | IA |
| MDT | Harrisburg Intl | HARRISBURG | PA |
| MDW | Chicago Midway Intl | CHICAGO | IL |
| MEM | Memphis Intl | MEMPHIS | TN |
| MFD | Mansfield Lahm Rgnl | MANSFIELD | OH |
| MGM | Montgomery Rgnl (Dannelly Fld) | MONTGOMERY | AL |
| MHE | Mitchell Muni | MITCHELL | SD |
| MHT | Manchester | MANCHESTER | NH |
| MIA | Miami Intl | MIAMI | FL |
| MIC | Crystal | MINNEAPOLIS | MN |
| MIV | Millville Muni | MILLVILLE | NJ |
| MKC | Charles B Wheeler Downtown | KANSAS CITY | MO |
| MKE | General Mitchell Intl | MILWAUKEE | WI |
| MKG | Muskegon Co | MUSKEGON | MI |
| MKT | Mankato Rgnl | MANKATO | MN |
| MLC | Mc Alester Rgnl | MC ALESTER | OK |
| MLI | Quad City Intl | MOLINE | IL |
| MLS | Frank Wiley Fld | MILES CITY | MT |
| MLU | Monroe Rgnl | MONROE | LA |
| MMH | Mammoth Yosemite | MAMMOTH LAKES | CA |
| MMU | Morristown Muni | MORRISTOWN | NJ |
| MOB | Mobile Rgnl | MOBILE | AL |
| MPV | Edward F Knapp State | BARRE/MONTPELIER | VT |
| MRI | Merrill Fld | ANCHORAGE | AK |
| MRJ | Iowa Co | MINERAL POINT | WI |
| MRY | Monterey Rgnl | MONTEREY | CA |
| MSL | Northwest Alabama RGNL | MUSCLE SHOALS | AL |
| MSN | Dane Co Rgnl-Truax Fld | MADISON | WI |
| MSP | Minneapolis-St Paul Intl/Wold-Chamberlain | MINNEAPOLIS | MN |
| MSS | Massena Intl-Richards Fld | MASSENA | NY |
| MSY | Louis Armstrong New Orleans Intl | NEW ORLEANS | LA |
| MTJ | Montrose Rgnl | MONTROSE | CO |
| MUE | Waimea-Kohala | KAMUELA | HI |
| MUT | Muscatine Muni | MUSCATINE | IA |
| MVN | Mount Vernon | MOUNT VERNON | IL |
| MWH | Grant Co Intl | MOSES LAKE | WA |
| MWL | Mineral Wells | MINERAL WELLS | TX |
| MYF | Montgomery-Gibbs Exec | SAN DIEGO | CA |
| MYR | Myrtle Beach Intl | MYRTLE BEACH | SC |
| MYV | Yuba Co | MARYSVILLE | CA |
| NEW | Lakefront | NEW ORLEANS | LA |
| OAJ | Albert J Ellis | JACKSONVILLE | NC |
| OAK | Metro Oakland Intl | OAKLAND | CA |
| OFK | Norfolk Rgnl/Karl Stefan Mem Fld | NORFOLK | NE |
| OGG | Kahului | KAHULUI | HI |
| OKC | Will Rogers World | OKLAHOMA CITY | OK |
| OLU | Columbus Muni | COLUMBUS | NE |
| OME | Nome | NOME | AK |
| ONP | Newport Muni | NEWPORT | OR |
| ONT | Ontario Intl | ONTARIO | CA |
| ORD | Chicago O'Hare Intl | CHICAGO | IL |
| ORF | Norfolk Intl | NORFOLK | VA |
| ORL | Executive | ORLANDO | FL |
| ORT | Northway | NORTHWAY | AK |
| OSC | Oscoda-Wurtsmith | OSCODA | MI |
| OTG | Worthington Muni | WORTHINGTON | MN |
| OTM | Ottumwa Rgnl | OTTUMWA | IA |
| OTZ | Ralph Wien Mem | KOTZEBUE | AK |
| PAE | Snohomish Co (Paine Fld) | EVERETT | WA |
| PAO | Palo Alto | PALO ALTO | CA |
| PBF | Grider Fld | PINE BLUFF | AR |
| PBI | Palm Beach Intl | WEST PALM BEACH | FL |
| PDK | Dekalb-Peachtree | ATLANTA | GA |
| PDX | Portland Intl | PORTLAND | OR |
| PGV | Pitt-Greenville | GREENVILLE | NC |
| PHF | Newport News/Williamsburg Intl | NEWPORT NEWS | VA |
| PHL | Philadelphia Intl | PHILADELPHIA | PA |
| PHX | Phoenix Sky Harbor Intl | PHOENIX | AZ |
| PIA | General Downing-Peoria Intl | PEORIA | IL |
| PIB | Hattiesburg-Laurel Rgnl | HATTIESBURG-LAUREL | MS |
| PIE | St Pete-Clearwater Intl | ST PETERSBURG-CLEARWATER | FL |
| PIR | Pierre Rgnl | PIERRE | SD |
| PIT | Pittsburgh Intl | PITTSBURGH | PA |
| PLN | Pellston Rgnl Arpt of Emmet Co | PELLSTON | MI |
| PNC | Ponca City Rgnl | PONCA CITY | OK |
| PNE | Northeast Philadelphia | PHILADELPHIA | PA |
| POC | Brackett Fld | LA VERNE | CA |
| POU | Hudson Valley Rgnl | POUGHKEEPSIE | NY |
| PQI | Northern Maine Rgnl at Presque Is | PRESQUE ISLE | ME |
| PRB | Paso Robles Muni | PASO ROBLES | CA |
| PRC | Ernest A Love Fld | PRESCOTT | AZ |
| PSC | Tri-Cities | PASCO | WA |
| PSE | Mercedita | PONCE | PR |
| PSP | Palm Springs Intl | PALM SPRINGS | CA |
| PSX | Palacios Muni | PALACIOS | TX |
| PTK | Oakland Co Intl | PONTIAC | MI |
| PUB | Pueblo Mem | PUEBLO | CO |
| PUW | Pullman/Moscow Rgnl | PULLMAN/MOSCOW | WA |
| PVD | Theodore Francis Green State | PROVIDENCE | RI |
| PWK | Chicago Exec | CHICAGO/PROSPECT HEIGHTS/WHEELING | IL |
| PWM | Portland Intl Jetport | PORTLAND | ME |
| PWT | Bremerton National | BREMERTON | WA |
| RBL | Red Bluff Muni | RED BLUFF | CA |
| RDG | Reading Rgnl/Carl A Spaatz Fld | READING | PA |
| RDU | Raleigh-Durham Intl | RALEIGH/DURHAM | NC |
| RFD | Chicago/Rockford Intl | CHICAGO/ROCKFORD | IL |
| RHI | Rhinelander-Oneida Co | RHINELANDER | WI |
| RHV | Reid-Hillview of Santa Clara Co | SAN JOSE | CA |
| RIC | Richmond Intl | RICHMOND | VA |
| RIL | Rifle Garfield Co | RIFLE | CO |
| RIW | Riverton Rgnl 14 | RIVERTON | WY |
| RKP | Aransas Co | ROCKPORT | TX |
| RKS | Rock Springs-Sweetwater Co | ROCK SPRINGS | WY |
| RNO | Reno/Tahoe Intl | RENO | NV |
| ROA | Roanoke-Blacksburg Rgnl/Woodrum Fld | ROANOKE | VA |
| ROC | Greater Rochester Intl | ROCHESTER | NY |
| ROW | Roswell Intl Air Center | ROSWELL | NM |
| RST | Rochester Intl | ROCHESTER | MN |
| RSW | Southwest Florida Intl | FORT MYERS | FL |
| RVS | Richard Lloyd Jones Jr | TULSA | OK |
| RWF | Redwood Falls Muni | REDWOOD FALLS | MN |
| RWI | Rocky Mount-Wilson Rgnl | ROCKY MOUNT | NC |
| RWL | Rawlins Muni/Harvey Fld | RAWLINS | WY |
| SAN | San Diego Intl | SAN DIEGO | CA |
| SAT | San Antonio Intl | SAN ANTONIO | TX |
| SAV | Savannah/Hilton Head Intl | SAVANNAH | GA |
| SBA | Santa Barbara Muni | SANTA BARBARA | CA |
| SBN | South Bend Intl | SOUTH BEND | IN |
| SCC | Deadhorse | DEADHORSE | AK |
| SCK | Stockton Metro | STOCKTON | CA |
| SDF | Louisville Intl-Standiford Fld | LOUISVILLE | KY |
| SDL | Scottsdale | SCOTTSDALE | AZ |
| SEA | Seattle-Tacoma Intl | SEATTLE | WA |
| SEE | Gillespie Fld | SAN DIEGO/EL CAJON | CA |
| SFB | Orlando Sanford Intl | ORLANDO | FL |
| SFO | San Francisco Intl | SAN FRANCISCO | CA |
| SGF | Springfield-Branson National | SPRINGFIELD | MO |
| SGU | St George Rgnl | ST GEORGE | UT |
| SHD | Shenandoah Valley Rgnl | STAUNTON/WAYNESBORO/HARRISONBURG | VA |
| SHR | Sheridan Co | SHERIDAN | WY |
| SHV | Shreveport Rgnl | SHREVEPORT | LA |
| SIT | Sitka Rocky Gutierrez | SITKA | AK |
| SJC | Norman Y Mineta San Jose Intl | SAN JOSE | CA |
| SJU | Luis Munoz Marin Intl | SAN JUAN | PR |
| SLB | Storm Lake Muni | STORM LAKE | IA |
| SLC | Salt Lake City Intl | SALT LAKE CITY | UT |
| SME | Lake Cumberland Rgnl | SOMERSET | KY |
| SMF | Sacramento Intl | SACRAMENTO | CA |
| SMO | Santa Monica Muni | SANTA MONICA | CA |
| SNA | John Wayne Arpt-Orange Co | SANTA ANA | CA |
| SNY | Sidney Muni/Lloyd W Carr Fld | SIDNEY | NE |
| SPA | Spartanburg Downtown Mem | SPARTANBURG | SC |
| SPI | Abraham Lincoln Capital | SPRINGFIELD | IL |
| SPW | Spencer Muni | SPENCER | IA |
| SRQ | Sarasota/Bradenton Intl | SARASOTA/BRADENTON | FL |
| SSI | McKinnon St Simons Island | BRUNSWICK | GA |
| STL | Lambert-St Louis Intl | ST LOUIS | MO |
| STP | St Paul Downtown Holman Fld | ST PAUL | MN |
| STS | Charles M Schulz – Sonoma Co | SANTA ROSA | CA |
| SUS | Spirit of St Louis | ST LOUIS | MO |
| SUX | Sioux Gateway/Col Bud Day Fld | SIOUX CITY | IA |
| SYR | Syracuse Hancock Intl | SYRACUSE | NY |
| TAD | Perry Stokes | TRINIDAD | CO |
| TAL | Ralph M Calhoun Mem | TANANA | AK |
| TCC | Tucumcari Muni | TUCUMCARI | NM |
| TCS | Truth Or Consequences Muni | TRUTH OR CONSEQUENCES | NM |
| TEB | Teterboro | TETERBORO | NJ |
| THV | York | YORK | PA |
| TKA | Talkeetna | TALKEETNA | AK |
| TLH | Tallahassee Intl | TALLAHASSEE | FL |
| TMB | Miami Exec | MIAMI | FL |
| TNT | Dade-Collier Training and Transition | MIAMI | FL |
| TNU | Newton Muni-Earl Johnson Fld | NEWTON | IA |
| TOA | Zamperini Fld | TORRANCE | CA |
| TOL | Toledo Express | TOLEDO | OH |
| TPA | Tampa Intl | TAMPA | FL |
| TPH | Tonopah | TONOPAH | NV |
| TRI | Tri-Cities | BRISTOL/JOHNSON/KINGSPORT | TN |
| TRM | Jacqueline Cochran Rgnl | PALM SPRINGS | CA |
| TUL | Tulsa Intl | TULSA | OK |
| TUS | Tucson Intl | TUCSON | AZ |
| TVC | Cherry Capital | TRAVERSE CITY | MI |
| TVF | Thief River Falls Rgnl | THIEF RIVER FALLS | MN |
| TVL | Lake Tahoe | SOUTH LAKE TAHOE | CA |
| TWF | Joslin Fld – Magic Valley Rgnl | TWIN FALLS | ID |
| TYS | Mc Ghee Tyson | KNOXVILLE | TN |
| UIN | Quincy Rgnl-Baldwin Fld | QUINCY | IL |
| UKI | Ukiah Muni | UKIAH | CA |
| UNK | Unalakleet | UNALAKLEET | AK |
| VBT | Bentonville Muni/Louise M Thaden Fld | BENTONVILLE | AR |
| VEL | Vernal Rgnl | VERNAL | UT |
| VGT | North Las Vegas | LAS VEGAS | NV |
| VIH | Rolla National | ROLLA/VICHY | MO |
| VIS | Visalia Muni | VISALIA | CA |
| VNY | Van Nuys | VAN NUYS | CA |
| VRB | Vero Beach Rgnl | VERO BEACH | FL |
| VTN | Miller Fld | VALENTINE | NE |
| WRL | Worland Muni | WORLAND | WY |
| YAK | Yakutat | YAKUTAT | AK |
| YIP | Willow Run | DETROIT | MI |
| YKN | Chan Gurney Muni | YANKTON | SD |
| YNG | Youngstown-Warren Rgnl | YOUNGSTOWN/WARREN | OH |
| ZZV | Zanesville Muni | ZANESVILLE | OH |