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USA (O-Z)
| city, state | code | airport |
| O'Neill, NE | ONL | The O'Neill Municipal Airport-John L. Baker Field |
| Oak Harbor, WA | NUW | Whidbey Island Naval Air Station (Ault Field) |
| Oak Harbor, WA | ODW | Oak Harbor Air Park |
| Oakland, CA | JCE | Oakland Convention Center Heliport |
| Oakland, CA | OAK | Metropolitan Oakland International Airport |
| Oakland, CA | OBT | Coliseum Street |
| Oakland, MD | ODM | Garrett County Airport |
| Oakley, KS | OEL | Oakley Municipal Airport |
| Oaktown, IN | OTN | Green Airport |
| Oberlin, KS | OIN | Oberlin Municipal Airport |
| Ocala, FL | OCF | Ocala Regional Airport/Jim Taylor Field |
| Ocean City, MD | OCE | Ocean City Municipal Airport |
| Oceanic, AK | OCI | |
| Oceanside, CA | OCN | Oceanside Municipal Airport |
| Oconto, WI | OCQ | Oconto Municipal Airport |
| Oelwein, IA | OLZ | Oelwein Municipal Airport |
| Ogallala, NE | OGA | Searle Field |
| Ogden, UT | HIF | Hill Air Force Base |
| Ogden, UT | OGD | Ogden-Hinckley Airport |
| Ogdensburg, NY | OGS | Ogdensburg International Airport |
| Oil City, PA | OIL | Splane Memorial Airport |
| Okeechobee, FL | OBE | Okeechobee County Airport |
| Oklahoma City, OK | DWN | Downtown Airpark |
| Oklahoma City, OK | HSD | Sundance Airpark |
| Oklahoma City, OK | OKC | Will Rogers World Airport |
| Oklahoma City, OK | PWA | Wiley Post Airport |
| Oklahoma City, OK | TIK | Tinker Air Force Base |
| Okmulgee, OK | OKM | Okmulgee Municipal Airport |
| Olathe, KS/Kansas City, MO | JCI | Johnson County Industrial Airport |
| Olathe, KS/Kansas City, MO | OJC | Johnson County Executive Airport |
| Old Harbor, AK | OLH | Old Harbor Airport |
| Old Town, ME | OLD | Dewitt Field/Old Town Municipal Airport |
| Olean, NY | OLE | Cattaraugus County-Olean Airport |
| Olga Bay, AK | KOY | Olga Bay Seaplane Base |
| Olive Branch, MS | OLV | Olive Branch Airport |
| Olney, TX | ONY | Olney Municipal Airport |
| Olney-Noble, IL | OLY | Olney-Noble Airport |
| Olympia, WA | OLM | Olympia Airport |
| Omaha, NE | MIQ | Millard Airport |
| Omaha, NE | OFF | Offutt Air Force Base |
| Omaha, NE | OMA | Eppley Airfield |
| Omak, WA | OMK | Omak Airport |
| Oneonta, NY | ONH | Oneonta Municipal Airport |
| Onion Bay, AK | ONN | |
| Ontario, CA | JIO | Ontario Heliport |
| Ontario, CA | ONT | Ontario International Airport |
| Ontario, OR | ONO | Ontario Municipal Airport |
| Ontonagon, MI | OGM | Ontonagon County Airport |
| Opelousas, LA | OPL | St. Landry Parish Airport-Ahart Field |
| Orange County (Santa Ana), CA | SNA | John Wayne Airport/Orange County |
| Orange County, CA | JOC | Centerport Heliport |
| Orange, CA | JOR | Choc Heliport |
| Orange, MA | ORE | Orange Municipal Airport |
| Orangeburg, SC | OGB | Orangeburg Municipal Airport |
| Ord, NE | ODX | Evelyn Sharp Field |
| Orlando, FL | DWS | Lake Buena Vista STOL |
| Orlando, FL | MCO | Orlando International Airport |
| Orlando, FL | ORL | Executive Airport |
| Oroville, CA | OVE | Oroville Municipal Airport |
| Ortonville, MN | VVV | Ortonville Municipal Airport-Martinson Field |
| Osage Beach, MO | OSB | Grand Glaize-Osage Beach Airport |
| Osceola, WI | OEO | L.O. Simenstad Municipal Airport |
| Oscoda, MI | OSC | Oscoda-Wurtsmith Airport |
| Oshkosh, NE | OKS | Garden County Airport |
| Oshkosh, WI | OSH | Wittman Regional Airport |
| Oskaloosa, IA | OOA | Oskaloosa Municipal Airport |
| Ottawa, KS | OWI | Ottawa Municipal Airport |
| Ottawa, OH | OWX | Putnam County Airport |
| Otto, NM | OTO | |
| Ottumwa, IA | OTM | Ottumwa Industrial Airport |
| Ouzinkie, AK | KOZ | Ouzinkie Airport |
| Owatonna, MN | OWA | Owatonna Municipal Airport |
| Owensboro, KY | OWB | Owensboro-Daviess County Airport |
| Oxford, CT | OXC | Waterbury-Oxford Airport |
| Oxford, MS | UOX | University-Oxford Airport |
| Oxford, NC | HNZ | Henderson-Oxford Airport |
| Oxford, OH | OXD | Miami University Airport |
| Oxnard, CA | OXR | Oxnard Airport |
| Ozona, TX | OZA | Ozona Municipal Airport |
| Pacific City, OR | PFC | Pacific City State Airport |
| Pack Creek, AK | PBK | |
| Paducah, KY | PAH | Barkley Regional Airport |
| Paf Warren, AK | PFA | |
| Page, AZ | PGA | Page Municipal Airport |
| Pageland, SC | PYG | Pageland Airport |
| Pagosa Springs, CO | PGO | Stevens Field |
| Pahokee, FL | PHK | Palm Beach County Glades Airport |
| Paimiut, AK | PMU | |
| Painesville, OH | PVZ | Casement Airport |
| Painter Creek, AK | PCE | |
| Palacios, TX | PSX | Palacios Municipal Airport |
| Palestine, TX | PSN | Palestine Municipal Airport |
| Palm Springs, CA | PSP | Palm Springs Regional Airport |
| Palm Springs, CA | UDD | Bermuda Dunes Airport |
| Palmdale, CA | PMD | Palmdale Production Flight/Test Installation Air Force Plant |
| Palmer, AK | PAQ | Palmer Municipal Airport |
| Palmer, MA | PMX | Metropolitan Airport |
| Palo Alto, CA | PAO | Palo Alto Airport of Santa Clara County |
| Pampa, TX | PPA | Perry Lefors Field |
| Panama City, FL | PAM | Tyndall Air Force Base |
| Panama City, FL | PFN | Panama City-Bay County International Airport |
| Panguitch, UT | PNU | Panguitch Municipal Airport |
| Paonia, CO | WPO | North Fork Valley Airport |
| Paragould, AR | PGR | Kirk Field |
| Paris, TN | PHT | Henry County Airport |
| Paris, TX | PRX | Cox Field |
| Park Falls, WI | PKF | Park Falls Municipal Airport |
| Park Rapids, MN | PKD | Park Rapids Municipal Airport |
| Parkersburg, WV | PKB | Wood County Airport-Gill Robb Wilson Field |
| Parks, AK | KPK | Parks Seaplane Base |
| Parsons, KS | PPF | Tri-City Airport |
| Pasadena, CA | JPD | |
| Pascagoula, MS | PGL | Trent Lott International Airport |
| Pasco, WA | PSC | Tri-Cities Airport |
| Paso Robles, CA | PRB | Paso Robles Municipal Airport |
| Paterson, NJ | JPJ | Lembo Heliport |
| Patterson/Morgan City, LA | PTN | Harry P. Williams Memorial Airport |
| Patuxent River, MD | NHK | Patuxent River Naval Air Station (Trapnell Field) |
| Pauloff Harbor (Sanak Island), AK | KPH | Pauloff Harbor Seaplane Base |
| Pawtucket/Smithfield, RI | SFZ | North Central State Airport |
| Payson, AZ | PJB | Payson Airport |
| Peach Springs, AZ | PGS | Grand Canyon Caverns Airport |
| Peachtree City, GA | FFC | Peachtree City Airport-Falcon Field |
| Pecos, TX | PEQ | Pecos Municipal Airport |
| Pedro Bay, AK | PDB | Pedro Bay Airport |
| Pelican, AK | PEC | Pelican Seaplane Base |
| Pell City, AL | PLR | St. Clair County Airport |
| Pellston, MI | PLN | Pellston Regional Airport of Emmet County |
| Pembina, ND | PMB | Pembina Municipal Airport |
| Pendleton, OR | PDT | Eastern Oregon Regional Airport at Pendleton |
| Pensacola, FL | NDP | Ellyson Naval Air Station |
| Pensacola, FL | NPA | Pensacola Naval Air Station (Forrest Sherman Field) |
| Pensacola, FL | NUN | Saufley Field Naval Outlying Field |
| Pensacola, FL | PNS | Pensacola Regional Airport |
| Peoria, IL | PIA | Greater Peoria Regional Airport |
| Perry Island, AK | PYL | Perry Island Seaplane Base |
| Perry, FL | FPY | Perry-Foley Airport |
| Perry, GA | PXE | Perry-Fort Valley Airport |
| Perry, IA | PRO | Perry Municipal Airport |
| Perryville, AK | KPV | Perryville Airport |
| Peru, IL | VYS | Illinois Valley Regional Airport-Walter A. Duncan Field |
| Peru, IN | GUS | Grissom Air Force Base |
| Petersburg, AK | PSG | James C. Johnson Petersburg Airport |
| Petersburg, VA | PTB | Petersburg Municipal Airport |
| Petersburg, WV | PGC | Grant County Airport |
| Petersburg/Fort Lee, VA | FLE | Fort Lee nr. 1 (headquarters) Heliport |
| Petersons Point, AK | PNF | |
| Philadelphia, PA | MUV | Mustin ALF |
| Philadelphia, PA | PHL | Philadelphia International Airport |
| Philadelphia, PA | PNE | Northeast Philadelphia Airport |
| Philip, SD | PHP | Philip Airport |
| Philipsburg, PA | PSB | Mid-State Airport |
| Phillipsburg, KS | PHG | Phillipsburg Municipal Airport |
| Phoenix, AZ | DVT | Phoenix-Deer Valley Municipal Airport |
| Phoenix, AZ | PHX | Phoenix Sky Harbor International Airport |
| Picayune, MS | PCU | Picayune Pearl River County Airport |
| Pickens, SC | LQK | Pickens County Airport |
| Pierre, SD | PIR | Pierre Regional Airport |
| Pilot Point, AK | PIP | Pilot Point Airport |
| Pilot Point, AK | UGB | Ugashik Bay Airport |
| Pilot Station, AK | PQS | Pilot Station Airport |
| Pinckneyville, IL | PJY | Pinckneyville-Du Quoin Airport |
| Pine Bluff, AR | PBF | Grider Field |
| Pine Mountain, GA | PIM | Callaway Gardens-Harris County Airport |
| Pine Ridge, SD | XPR | Pine Ridge Airport |
| Pinebelt, MS | PIF | |
| Pinehurst/Southern Pines, NC | SOP | Moore County Airport |
| Pipestone, MN | PQN | Pipestone Municipal Airport |
| Pittsburg, KS | PTS | Atkinson Municipal Airport |
| Pittsburgh, PA | AGC | Allegheny County Airport |
| Pittsburgh, PA | PIT | Pittsburgh International Airport |
| Pittsfield, MA | PSF | Pittsfield Municipal Airport |
| Placerville, CA | PVF | Placerville Airport |
| Plainview, TX | PVW | Hale County Airport |
| Plano, TX | DNE | Dallas North Airport |
| Platinum, AK | PTU | Platinum Airport |
| Platteville, WI | PVB | Grant County Airport |
| Plattsburgh, NY | PBG | Plattsburgh Air Force Base |
| Plattsburgh, NY | PLB | Clinton County Airport |
| Pleasant Harbor, AK | PTR | |
| Pleasanton, CA | JBS | Camp Parks Heliport |
| Plentywood, MT | PWD | Sher-Wood Airport |
| Plymouth, MA | PYM | Plymouth Municipal Airport |
| Pocahontas, IA | POH | Pocahontas Municipal Airport |
| Pocatello, ID | PIH | Pocatello Municipal Airport |
| Point Baker, AK | KPB | Point Baker Seaplane Base |
| Point Barrow, AK | PBA | Point Barrow Airport |
| Point Hope, AK | PHO | Point Hope Airport |
| Point Lay, AK | PIZ | Point Lay LRRS |
| Point Lookout, MO | PLK | M. Graham Clark Airport |
| Point Mugu, CA | NTD | Point Mugu NAWS Airport |
| Pointe Retreat, AK | PRT | |
| Polacca, AZ | PXL | Polacca Airport |
| Polk Inlet, AK | POQ | |
| Pompano Beach, FL | PPM | Pompano Beach Airpark |
| Ponca City, OK | PNC | Ponca City Municipal Airport |
| Pontiac, MI | PTK | Oakland-Pontiac Airport |
| Pope Vanoy, AK | PVY | |
| Poplar Bluff, MO | POF | Poplar Bluff Municipal Airport |
| Porcupine Creek, AK | PCK | Porcupine Creek Airport |
| Port Alexander, AK | PTD | Port Alexander Seaplane Base |
| Port Alice, AK | PTC | Pprt Alice Seaplane Base |
| Port Alsworth, AK | PTA | Port Alsworth Airport |
| Port Angeles, WA | CLM | William R. Fairchild International Airport |
| Port Angeles, WA | NOW | Port Angeles Coast Guard Air Station |
| Port Armstrong, AK | PTL | |
| Port Bailey, AK | KPY | Port Bailey Seaplane Base |
| Port Clarence, AK | KPC | Port Clarence Coast Guard Station Airport |
| Port Clinton, OH | PCW | Carl R. Keller Field |
| Port Graham, AK | PGM | Port Graham Airport |
| Port Heiden, AK | PTH | Port Heiden Airport |
| Port Huron, MI | PHN | St. Clair County International Airport |
| Port Johnson, AK | PRF | |
| Port Lions, AK | ORI | Port Lions Airport |
| Port Moller, AK | PML | |
| Port Oceanic, AK | PRL | |
| Port Protection, AK | PPV | Port Protection Seaplane Base |
| Port San Juan, AK | PJS | |
| Port Townsend, WA | TWO | Jefferson County International Airport |
| Port Walter, AK | PWR | Port Walter Seaplane Base |
| Port Williams, AK | KPR | Port Williams Seaplane Base |
| Portage Creek, AK | PCA | Portage Creek Airport |
| Porterville, CA | PTV | Porterville Municipal Airport |
| Portland, ME | PWM | Portland International Jetport |
| Portland, OR | PDX | Portland International Airport |
| Portland, OR | TTD | Portland-Troutdale Airport |
| Portsmouth, NH | PSM | Pease Air National Guard Base |
| Portsmouth, OH | PMH | Greater Portsmouth Regional Airport |
| Portsmouth, VA | PVG | Hampton Roads Airport |
| Poteau, OK | RKR | Robert S. Kerr Airport |
| Pottstown, PA | PTW | Pottstown Limerick Airport |
| Poughkeepsie, NY | POU | Dutchess County Airport |
| Poulsbo, WA | PUL | Port of Poulsbo Marina Moorage Seaplane Base |
| Powell, WY | POY | Powell Municipal Airport |
| Prairie du Chien, WI | PCD | Prairie du Chien Municipal Airport |
| Pratt, KS | PTT | Pratt Industrial Airport |
| Prentice, WI | PRW | Prentice Airport |
| Prescott, AZ | PRC | Ernest A. Love Field |
| Presque Isle, ME | PQI | Northern Maine Regional Airport at Presque Isle |
| Price, UT | PUC | Carbon County Airport |
| Princeton (Rocky Hill), NJ | PCT | Princeton Airport |
| Princeton, ME | PNN | Princeton Municipal Airport |
| Princeton, MN | PNM | Princeton Municipal Airport |
| Princeville (Hanalei), HI | HPV | Princeville Airport |
| Prineville, OR | PRZ | Prineville Airport |
| Prospect Creek, AK | PPC | Prospect Creek Airport |
| Providence, RI | PVD | Theodore Francis Green State Airport |
| Provincetown, MA | PVC | Provincetown Municipal Airport |
| Provo, UT | PVU | Provo Municipal Airport |
| Prudhoe Bay, AK | PUO | Prudhoe Bay Airport |
| Prudhoe Bay/Deadhorse, AK | SCC | Deadhorse Airport |
| Pueblo, CO | PUB | Pueblo Memorial Airport |
| Pulaski, TN | GZS | Abernathy Field |
| Pullman, WA/Moscow, ID | PUW | Pullman/Moscow Regional Airport |
| Punta Gorda, FL | PGD | Charlotte County Airport |
| Quakertown, PA | UKT | Quakertown Airport |
| Quantico, VA | NYG | Quantico Marine Corps Air Facility (Turner Field) |
| Queens, AK | UQE | The Queens Airport |
| Quillayute, WA | UIL | Quillayute State Airport |
| Quincy, IL | UIN | Quincy Municipal Baldwin Field |
| Quincy, MA | MQI | Heliport |
| Quinhagak, AK | KWN | Quinhagak Airport |
| Racine, WI | RAC | John H. Batten Airport |
| Raleigh-Durham, NC | RDU | Raleigh-Durham International Airport |
| Rampart, AK | RMP | Rampart Airport |
| Rancho California, CA | RBK | |
| Rancho Murieta, CA | RIU | Rancho Murieta Airport |
| Rangely, CO | RNG | Rangely Airport |
| Ranger, TX | RGR | Ranger Municipal Airport |
| Rapid City, SD | RAP | Rapid City Regional Airport |
| Rapid City, SD | RCA | Ellsworth Air Force Base |
| Raspberry Strait, AK | RSP | |
| Raton, NM | RTN | Raton Municipal Airport/Crews Field |
| Rawlins, WY | RWL | Rawlins Municipal Airport |
| Reading, PA | RDG | Reading Regional Airport/Carl A. Spaatz Field |
| Red Bluff, CA | RBL | Red Bluff Municipal Airport |
| Red Devil, AK | RDV | Red Devil Airport |
| Red Dog, AK | RDB | Red Dog Airport |
| Red Oak, IA | RDK | Red Oak Municipal Airport |
| Red River, ND | RDR | |
| Red Wing, MN | RGK | Red Wing Municipal Airport |
| Redding, CA | RDD | Redding Municipal Airport |
| Redmond, OR | RDM | Roberts Field |
| Redstone Arsenal/Huntsville, AL | HUA | Redstone Army Air Field |
| Redwood Falls, MN | RWF | Redwood Falls Municipal Airport |
| Reed City, MI | RCT | Nartron Field |
| Reedsville, PA | RED | Mifflin County Airport |
| Refugio, TX | RFG | Rooke Field |
| Refugio, TX | VDU | Tom O'Conner Airport |
| Rehoboth Beach/Dewey Beach, DE | REH | Rehoboth Bay Seaplane Base |
| Reidsville, GA | RVJ | Reidsville Airport |
| Reno, NV | RNO | Reno Cannon International Airport |
| Rensselaer, IN | RNZ | Jasper County Airport |
| Renton, WA | RNT | Renton Municipal Airport |
| Rhinelander, WI | RHI | Rhinelander-Oneida County Airport |
| Rice Lake, WI | RIE | Rice Lake Municipal Airport |
| Richfield, UT | RIF | Richfield Municipal Airport |
| Richland, WA | RLD | Richland Airport |
| Richmond, IN | RID | Richmond Municipal Airport |
| Richmond, VA | FCI | Chesterfield County Airport |
| Richmond, VA | RIC | Richmond International Airport |
| Richmond/Ashland, VA | OFP | Hanover County Municipal Airport |
| Rifle, CO | RIL | Garfield County Regional Airport |
| Rio Grande Valley, TX | RGV | |
| Riverside (Rubidoux), CA | RIR | Flabob Airport |
| Riverside, CA | JRD | Riverside Metro Center Heliport |
| Riverside, CA | RAL | Riverside Municipal Airport |
| Riverside, CA | RIV | March Air Force Base |
| Riverton, WY | RIW | Riverton Regional Airport |
| Roanoke Rapids, NC | RZZ | Halifax County Airport |
| Roanoke, VA | ROA | Roanoke Regional Airport/Woodrum Field |
| Robinson, IL | RSV | Robinson Municipal Airport |
| Roche Harbor, WA | RCE | Roche Harbor Airport |
| Rochester, IN | RCR | Fulton County Airport |
| Rochester, MN | JRC | Charlton Building Heliport |
| Rochester, MN | RST | Rochester Municipal Airport |
| Rochester, NY | ROC | Greater Rochester International Airport |
| Rock Hill, SC | RKH | Rock Hill/York County Airport/Bryant Field |
| Rock Rapids, IA | RRQ | Rock Rapids Municipal Airport |
| Rock Springs, WY | RKS | Rock Springs-Sweetwater County Airport |
| Rockdale, TX | RCK | H. H. Coffield Regional Airport |
| Rockford, IL | RFD | Greater Rockford Airport |
| Rockford, IL | RMC | Machesney Airport |
| Rockford, IL | ZRF | Clock Tower |
| Rockland, ME | RKD | Knox County Regional Airport |
| Rockleigh, NJ | RKL | |
| Rockport, TX | RKP | Aransas County Airport |
| Rockwood, TN | RKW | Rockwood Municipal Airport |
| Rocky Mount, NC | RMT | Rocky Mount-Wilson Airport |
| Rocky Mount, NC | RWI | Rocky Mount-Wilson Airport |
| Rogers City, MI | PZQ | Presque Isle County Airport |
| Rogers, AR | ROG | Rogers Municipal Airport-Carter Field |
| Rolla, MO | RLA | Rolla Downtown Airport |
| Rolla/Vichy, MO | VIH | Rolla National Airport |
| Roma, TX | FAL | Falcon State Park Airport |
| Rome, GA | RMG | Richard B. Russell Airport |
| Rome, NY | RME | Griffiss Air Force Base |
| Rome, OR | REO | Rome State Airport |
| Roosevelt, UT | ROL | Roosevelt Municipal Airport |
| Rosario, WA | RSJ | Rosario Seaplane Base |
| Roseau, MN | ROX | Roseau Municipal Airport |
| Roseburg, OR | RBG | Roseburg Municipal Airport |
| Roseville, CA | RVL | Fiddyment Field |
| Roswell, NM | ROW | Roswell Industrial Air Center Airport |
| Rotunda, CA | RTD | |
| Roundup, MT | RPX | Roundup Airport |
| Rouses Point, NY | RSX | Rouses Point Seaplane Base |
| Rowan Bay, AK | RWB | |
| Roxboro, NC | TDF | Person County Airport |
| Ruby, AK | RBY | Ruby Airport |
| Ruidoso, NM | RUI | Sierra Blanca Regional Airport |
| Russell, KS | RSL | Russell Municipal Airport |
| Russian Mission, AK | RSH | Russian Mission Airport |
| Ruston, LA | RSN | Ruston Municipal Airport |
| Rutland, VT | RUT | Rutland State Airport |
| Sacramento, CA | MCC | Mc Clellan Air Force Base |
| Sacramento, CA | MHR | Mather Air Force Base |
| Sacramento, CA | SAC | Sacramento Executive Airport |
| Sacramento, CA | SMF | Sacramento Metropolitan Airport |
| Safford, AZ | SAD | Safford Municipal Airport |
| Saginaw, MI | MBS | Tri City International Airport |
| Saginaw, MI | SGW | Harry W. Browne Airport |
| Sagwon, AK | SAG | Sagwon Airport |
| Salem, IL | SLO | Salem-Leckrone Airport |
| Salem, OR | SLE | McNary Field |
| Salida, CO | SLT | Harriet Alexander Field |
| Salina, KS | SLN | Salina Municipal Airport |
| Salina, UT | SBO | Salina-Gunnison Airport |
| Salinas, CA | SNS | Salinas Municipal Airport |
| Salisbury, MD | SBY | Salisbury-Wicomico County Regional Airport |
| Salisbury, NC | SRW | Rowan County Airport |
| Salmon, ID | SMN | Lehmi County Airport |
| Salt Lake City, UT | SLC | Salt Lake City International Airport |
| Salton City, CA | SAS | Salton Sea Airport |
| San Angelo, TX | GOF | Goodfellow Air Force Base |
| San Angelo, TX | SJT | Mathis Field |
| San Antonio, TX | MDA | Martindale Army Air Field (Texas Army National Guard Airport) |
| San Antonio, TX | SAT | San Antonio International Airport |
| San Antonio, TX | SKF | Kelly Air Force Base |
| San Antonio, TX | SSF | Stinson Municipal Airport |
| San Bernardino, CA | SBD | San Bernardino International Airport |
| San Bernardino, CA | SBT | County Heliport |
| San Carlos, CA | SQL | San Carlos Airport |
| San Clemente Island, CA | NUC | San Clemente Island Naval Auxiliary Landing Field (Frederick Sherman Field) |
| San Diego (El Cajon), CA | SEE | Gillespie Field |
| San Diego, CA | MYF | Montgomery Field |
| San Diego, CA | NKX | Miramar Naval Air Station (Mitscher Field) |
| San Diego, CA | NZY | North Island Naval Air Station (Halsey Field) |
| San Diego, CA | SAN | San Diego International Airport-Lindbergh Field |
| San Diego, CA | SDM | Brown Field Municipal Airport |
| San Fernando, CA | SFR | |
| San Francisco, CA | EMB | Embarcadero |
| San Francisco, CA | JCC | China Basin Heliport |
| San Francisco, CA | QSF | Metropolitan Area |
| San Francisco, CA | SFO | San Francisco International Airport |
| San Jose, CA | RHV | Reid-Hillview of Santa Clara County Airport |
| San Jose, CA | SJC | San Jose International Airport |
| San Juan, AK | WSJ | San Juan (Uganik) Seaplane Base |
| San Luis Obispo, CA | CSL | O'Sullivan Army Air Field (National Guard) Airport |
| San Luis Obispo, CA | SBP | San Luis Obispo County Airport-McChesney Field |
| San Pedro (Catalina Island), CA | SPQ | Catalina Air-Sea Terminal Heliport |
| Sand Point, AK | SDP | Sand Point Airport |
| Sandersville, GA | OKZ | Kaolin Field |
| Sandusky, OH | SKY | Griffing Sandusky Airport |
| Sandy, OR | KSR | Sandy River Airport |
| Sanford, FL | SFB | Central Florida Regional Airport |
| Sanford, ME | SFM | Sanford Municipal Airport |
| Santa Ana, CA | NZJ | El Toro Marine Corps Air Station |
| Santa Barbara, CA | DNT | Downtown |
| Santa Barbara, CA | SBA | Santa Barbara Municipal Airport |
| Santa Barbara, CA | SZN | Santa Cruz Island Airport |
| Santa Cruz, CA | SRU | |
| Santa Fe, NM | SAF | Santa Fe County Municipal Airport |
| Santa Fe, NM | ZSH | Santa Fe Bus Station |
| Santa Inez, CA | SQA | |
| Santa Maria, CA | SMX | Santa Maria Public Airport/Capt. G. Allan Hancock Field |
| Santa Monica, CA | SMO | Santa Monica Municipal Airport |
| Santa Paula, CA | SZP | Santa Paula Airport |
| Santa Rosa, CA | STS | Sonoma County Airport |
| Santa Ynez, CA | IZA | Santa Ynez Airport |
| Saranac Lake, NY | SLK | Adirondack Regional Airport |
| Sarasota/Bradenton, FL | SRQ | Sarasota/Bradenton International Airport |
| Saratoga, WY | SAA | Shively Field |
| Sarichef, AK | WSF | |
| Sault Ste. Marie, MI | CIU | Chippewa County International Airport |
| Sault Ste. Marie, MI | INR | Kinchelde Air Force Base |
| Sault Ste. Marie, MI | SSM | Sault Ste. Marie Municipal Airport/Sanderson Field |
| Sausalito, CA | JMC | Commodore Center Heliport |
| Savannah, GA | SAV | Savannah International Airport |
| Savannah, GA | SVN | Hunter Army Air Field |
| Savoonga, AK | SVA | Savoonga Airport |
| Scammon Bay, AK | SCM | Scammon Bay Airport |
| Schenectady, NY | SCH | Schenectady County Airport |
| Scott City, KS | TQK | Scott City Municipal Airport |
| Scottsbluff, NE | BFF | William B. Heilig Field |
| Scottsdale, AZ | SCF | Scottsdale Airport |
| Scranton, PA | SCR | Municipal |
| Scribner, NE | SCB | Scribner State Airport |
| Seal Bay, AK | SYB | |
| Searcy, AR | SRC | Searcy Municipal Airport |
| Seattle (Kenmore), WA | KEH | Kenmore Air Harbor Inc. Seaplane Base |
| Seattle, WA | BFI | Boeing Field/King County International Airport |
| Seattle, WA | LKE | Lake Union Chrysler Air Seaplane Base |
| Seattle, WA | SEA | Seattle-Tacoma International Airport |
| Sebring, FL | SEF | Sebring Regional Airport |
| Sedalia, MO | DMO | Sedalia Memorial Airport |
| Sedona, AZ | SDX | Sedona Airport |
| Selawik, AK | WLK | Selawik Airport |
| Seldovia, AK | SOV | Seldovia Airport |
| Selinsgrove, PA | SEG | Penn Valley Airport |
| Selma, AL | SEM | Craig Field |
| Selma, AL | SES | Craig Field |
| Selmer, TN | SZY | Robert Sibley Airport |
| Sequim, WA | SQV | Grand View International Airport |
| Sevierville, TN | GKT | Gatlinburg-Pigeon Forge Airport |
| Sewanee, TN | UOS | Franklin County Airport |
| Seward, AK | SWD | Seward Airport |
| Seymour, IN | SER | Freeman Municipal Airport |
| Shafter, CA | MIT | Shafter Airport-Minter Field |
| Shageluk, AK | SHX | Shageluk Airport |
| Shaktoolik, AK | SKK | Shaktoolik Airport |
| Sharpe Army Depot (Lathrop), CA | LRO | Sharpe Army Air Field |
| Shawnee, OK | SNL | Shawnee Municipal Airport |
| Sheboygan, WI | SBM | Sheboygan County Memorial Airport |
| Sheep Mountain, AK | SMU | Sheep Mountain Airport |
| Shelby, MT | SBX | Shelby Airport |
| Shelby, NC | EHO | Shelby Municipal Airport |
| Shelbyville, TN | SYI | Shelbyville Municipal Airport |
| Sheldon Point, AK | SXP | Sheldon Point Airport |
| Shelton, WA | SHN | Sanderson Field |
| Shemya Island, AK | SYA | Eareckson Air Station |
| Sheridan, WY | SHR | Sheridan County Airport |
| Sherman/Denison, TX | PNX | Grayson County Airport |
| Shirley, NY | WSH | Brookhaven Airport |
| Shishmaref, AK | SHH | Shishmaref Airport |
| Shoal Cove, AK | HCB | |
| Show Low, AZ | SOW | Show Low Municipal Airport |
| Shreveport, LA | DTN | Shreveport Downtown Airport |
| Shreveport, LA | SHV | Shreveport Regional Airport |
| Shungnak, AK | SHG | Shungnak Airport |
| Sidney, MT | SDY | Sidney-Richland Municipal Airport |
| Sidney, NE | SNY | Sidney Municipal Airport |
| Sidney, NY | SXY | Sidney Municipal Airport |
| Sikeston, MO | SIK | Sikeston Memorial Municipal Airport |
| Siloam Springs, AR | SLG | Smith Field |
| Silver Bay, MN | BFW | Silver Bay Municipal Airport |
| Silver City, NM | SVC | Grant County Airport |
| Simmons, MI | XMQ | |
| Sioux City, IA | SUX | Sioux Gateway Airport |
| Sioux Falls, SD | FSD | Joe Foss Field |
| Siren, WI | RZN | Burnett County Airport |
| Sitka, AK | SIT | Sitka Airport |
| Sitkinak, AK | SKJ | |
| Skagway, AK | SGY | Skagway Airport |
| Skwentna, AK | SKW | Skwentna Airport |
| Sleetmute, AK | SLQ | Sleetmute Airport |
| Smith Cove, AK | SCJ | |
| Smyrna, TN | MQY | Smyrna Airport |
| Snyder, TX | SNK | Winston Field |
| Socorro, NM | ONM | Socorro Municipal Airport |
| Soldotna, AK | SXQ | Soldotna Airport |
| Solomon, AK | SOL | Solomon State Field |
| Solon Springs, WI | OLG | Solon Springs Municipal Airport |
| Somerset, KY | SME | Somerset-Pulaski County Airport-J. T. Wilson Field |
| Somerville, TN | FYE | Fayette County Airport |
| South Bend, IN | SBN | Michiana Regional Transportation Center Airport |
| South Hill, VA | AVC | Mecklenburg-Brunswick Regional Airport |
| South Naknek, AK | WSN | South Naknek nr. 2 Airport |
| South Weymouth, MA | NZW | South Weymouth Naval Air Station (Shea Field) |
| Southport, NC | SHQ | Brunswick County Airport |
| Sparrevohn, AK | SVW | Sparrevohn LRRS |
| Sparta, IL | SAR | Sparta Community Airport-Hunter Field |
| Sparta, WI | CMY | Sparta/Fort McCoy Airport |
| Spartanburg, SC | SPA | Spartanburg Downtown Memorial Airport |
| Spearfish, SD | SPF | Black Hills Airport-Clyde Ice Field |
| Spencer, IA | SPW | Spencer Municipal Airport |
| Spokane, WA | GEG | Spokane International Airport |
| Spokane, WA | SFF | Felts Field |
| Spokane, WA | SKA | Fairchild Air Force Base |
| Springdale, AR | SPZ | Springdale Municipal Airport |
| Springfield, IL | SPI | Capital Airport |
| Springfield, MA | SFY | |
| Springfield, MO | SGF | Springfield Regional Airport |
| Springfield, OH | SGH | Springfield-Beckley Municipal Airport |
| Springfield, VT | VSF | Hartness State (Springfield) Airport |
| Springfield/Chicopee, MA | CEF | Westover Air Reserve Base/Metropolitan Airport |
| St. Augustine, FL | UST | St. Augustine Airport |
| St. Cloud, MN | JSK | St. Cloud Hospital Heliport |
| St. Cloud, MN | STC | St. Cloud Municipal Airport |
| St. Francis, KS | SYF | Cheyenne County Municipal Airport |
| St. George Island, AK | STG | St. George Airport |
| St. George, UT | SGU | St. George Municipal Airport |
| St. Johns, AZ | SJN | St. Johns Industrial Air Park |
| St. Joseph, MO | STJ | Rosecrans Memorial Airport |
| St. Louis, MO | RMF | Missouri Air National Guard Airport |
| St. Louis, MO | STL | Lambert-St. Louis International Airport |
| St. Louis, MO | SUS | Spirit of St. Louis Airport |
| St. Mary's, AK | KSM | St. Mary's Airport |
| St. Mary's, MD | XSM | |
| St. Marys, PA | STQ | St. Marys Municipal Airport |
| St. Michael, AK | SMK | St. Michael Airport |
| St. Paul Island, AK | SNP | St. Paul Island Airport |
| St. Paul, MN | STP | St. Paul Downtown Holman Field |
| St. Petersburg, FL | PIE | St. Petersburg-Clearwater International Airport |
| St. Petersburg, FL | SPG | Albert Whitted Airport |
| Stanton, MN | SYN | Stanton Airfield |
| Startford, CT | JSD | Sikorsky Heliport |
| State College, PA | SCE | |
| State College, PA | UNV | University Park |
| Statesboro, GA | TBR | Statesboro Municipal Airport |
| Statesville, NC | SVH | Statesville Municipal Airport |
| Staunton/Waynesboro/Harrisonburg, VA | SHD | Shenandoah Valley Regional Airport |
| Steamboat Bay, AK | WSB | Steamboat Bay Seaplane Base |
| Steamboat Springs (Hayden), CO | HDN | Yampa Valley Airport |
| Steamboat Springs, CO | SBS | Steamboat Springs/Bob Adams Field STOL |
| Stebbins, AK | WBB | Stebbins Airport |
| Stephenville, TX | SEP | Clark Field Municipal Airport |
| Sterling, CO | STK | Crosson Field |
| Sterling/Rock Falls, IL | SQI | Whiteside County Airport-Jos H. Bittorf Field |
| Steubenville, OH | JFN | Jefferson County Airpark |
| Stevens Point, WI | STE | Stevens Point Municipal Airport |
| Stevens Village, AK | SVS | Stevens Village Airport |
| Stillwater, OK | SWO | Stillwater Municipal Airport |
| Stockton, CA | SCK | Stockton Metropolitan Airport |
| Stony River, AK | SRV | Stony River 2 Airport |
| Storm Lake, IA | SLB | Storm Lake Municipal Airport |
| Stow, MA | MMN | Minute Man Air Field |
| Strathmore, CA | STH | Eckert Field |
| Stroud, OK | SUD | Stroud Municipal Airport |
| Stuart Island, WA | SSW | Stuart Island Airpark |
| Stuart, FL | SUA | Witham Field |
| Sturgeon Bay, WI | SUE | Door County Cherryland Airport |
| Sturgis, MI | IRS | Kirsch Municipal Airport |
| Stuttgart, AR | SGT | Stuttgart Municipal Airport |
| Sugar Land (Houston), TX | SGR | Sugar Land Municipal Airport/Hull Field |
| Sullivan, IN | SIV | Sullivan County Airport |
| Sullivan, MO | UUV | Sullivan Regional Airport |
| Sulphur Springs, TX | SLR | Sulphur Springs Municipal Airport |
| Summerdale, AL | NFD | Summerdale Naval Outlying Field |
| Summerville, SC | DYB | Dorchester County Airport |
| Summit, AK | UMM | Summit Airport |
| Sumter, SC | SSC | Shaw Air Force Base |
| Sumter, SC | SUM | Sumter Municipal Airport |
| Sun Valley (Hailey), ID | SUN | Friedman Memorial Airport |
| Sundance, WY | SUC | Schloredt Airport |
| Sunnyvale, CA | JSV | Sunnyvale Airport |
| Superior, WI | SUW | Richard I. Bong Airport |
| Susanville, CA | SVE | Susanville Municipal Airport |
| Swansboro, NC | NJM | Bogue Field Marine Corps Auxiliary Landing Field |
| Sweetwater, TX | SWW | Avenger Field |
| Sylvania, GA | JYL | Plantation Airpark |
| Sylvester, GA | SYV | Sylvester Airport |
| Syracuse, NY | SYR | Syracuse Hancock International Airport |
| Tacoma, WA | TCM | McChord Air Force Base |
| Tacoma, WA | TIW | Tacoma Narrows Airport |
| Tahneta Pass Lodge, AK | HNE | Tahneta Pass Airport |
| Takotna, AK | TCT | Takotna Airport |
| Takotna, AK | TLJ | Tatalina LRRS |
| Taku Lodge, AK | TKL | Taku Lodge Seaplane Base |
| Talkeetna, AK | TKA | Talkeetna Airport |
| Talladega, AL | ASN | Talladega Municipal Airport |
| Tallahassee, FL | TLH | Tallahassee Regional Airport |
| Tampa, FL | MCF | Mac Dill Air Force Base |
| Tampa, FL | TPA | Tampa International Airport |
| Tampa, FL | TPF | Peter O'Knight Airport |
| Tanacross, AK | TSG | Tanacross Airport |
| Tanalian, AK | TPO | |
| Tanana, AK | TAL | Ralph M. Calhoun Memorial Airport |
| Taos, NM | TSM | Taos Municipal Airport |
| Tarboro, NC | ETC | Tarboro-Edgecombe Airport |
| Tatitlek, AK | TEK | Tatitlek Seaplane Base |
| Taylor, AK | TWE | Taylor Airport |
| Taylor, AZ | TYZ | Taylor Airport |
| Tehachapi, CA | TSP | Tehachapi Municipal Airport |
| Tekamah, NE | TQE | Tekamah Municipal Airport |
| Telida, AK | TLF | |
| Teller, AK | TLA | Teller Airport |
| Telluride, CO | TEX | Telluride Regional Airport |
| Telluride, CO | ZTL | |
| Temple, TX | TPL | Draughon-Miller Municipal Airport |
| Tenakee Springs, AK | TKE | Tenakee Air Force Base |
| Terre Haute, IN | HUF | Hulman Regional Airport |
| Terrell, TX | TRL | Terrell Municipal Airport |
| Terror Bay, AK | KTY | Terror Bay Seaplane Base |
| Teterboro, NJ | TEB | Teterboro Airport |
| Tetlin, AK | TEH | Tetlin Airport |
| Texarkana, AR | TXK | Texarkana Regional Airport-Webb Field |
| The Dalles, OR | DLS | The Dalles Municipal Airport |
| Thermal, CA | TRM | Thermal Airport |
| Thermopolis, WY | THP | Hot Springs County-Thermopolis Municipal Airport |
| Thief River Falls, MN | TVF | Thief River Falls Regional Airport |
| Thomaston, GA | OPN | Thomaston-Upson County Airport |
| Thomasville, GA | TVI | Thomasville Municipal Airport |
| Thompson Falls, MT | THM | Thompson Falls Airport |
| Thorne Bay, AK | KTB | Thorne Bay Seaplane Base |
| Thousand Oaks, CA | JTO | R I Science Center Helistop |
| Three Rivers, MI | HAI | Three Rivers Municipal Dr. Haines Airport |
| Tifton, GA | TMA | Henry Tift Myers Airport |
| Tikchik, AK | KTH | Tikchik Lodge |
| Tin City, AK | TNC | Tin City LRRS |
| Tioga, ND | VEX | Tioga Municipal Airport |
| Titusville, FL | TIX | Space Center Executive Airport |
| Toccoa, GA | TOC | Toccoa R. G. Letourneau Field |
| Togiak Fish, AK | GFB | |
| Togiak, AK | TOG | Togiak Airport |
| Tok, AK | TKJ | Tok Airport |
| Tokeen, AK | TKI | Tokeen Seaplane Base |
| Toksook Bay, AK | OOK | Toksook Bay Airport |
| Toledo, OH | TDZ | Metcalf Field |
| Toledo, OH | TOL | Toledo Express Airport |
| Toledo, WA | TDO | Toledo Airport-Winlock Ed Carlson Memorial Field |
| Tompkinsville, KY | TZV | Tompkinsville-Monroe County Airport |
| Tonopah, NV | TPH | Tonopah Airport |
| Tonopah, NV | XSU | Tonopah Test Range Airport |
| Topeka, KS | FOE | Forbes Field |
| Topeka, KS | TOP | Philip Billard Municipal Airport |
| Torrance, CA | TOA | Zamperini Field |
| Torrington, WY | TOR | Torrington Municipal Airport |
| Tracy, CA | TCY | Tracy Municipal Airport |
| Traverse City, MI | TVC | Cherry Capital Airport |
| Tree Point, AK | TRP | |
| Tremonton, UT | TRT | Tremonton Municipal Airport |
| Trenton, MO | TRX | Trenton Municipal Airport |
| Trenton, NJ | TTN | Mercer County Airport |
| Trenton, TN | TGC | Gibson County Airport |
| Tri-Cities (Bristol/Johnson City/Kingsport), TN | TRI | Tri-City Regional Airport |
| Trinidad, CO | TAD | Perry Stokes Airport |
| Trona, CA | TRH | Trona Airport |
| Troy, AL | TOI | Troy Municipal Airport |
| Truckee, CA | TKF | Truckee-Tahoe Airport |
| Truth or Consequences, NM | TCS | Truth or Consequences Municipal Airport |
| Tuba City, AZ | TBC | Tuba City Airport |
| Tucson, AZ | AVW | Avra Valley Airport |
| Tucson, AZ | DMA | Davis-Monthan Air Force Base |
| Tucson, AZ | TUS | Tucson International Airport |
| Tucumcari, NM | TCC | Tucumcari Municipal Airport |
| Tulare, CA | TLR | Mefford Field |
| Tullahoma, TN | THA | Tullahoma Regional Airport/Wm Northern Field |
| Tullahoma, TN | TUH | Arnold Air Force Base |
| Tulsa, OK | RVS | Richard Lloyd Jones Jr. Airport |
| Tulsa, OK | TUL | Tulsa International Airport |
| Tuluksak, AK | TLT | Tuluksak Airport |
| Tuntatuliak, AK | WTL | |
| Tununak, AK | TNK | Tununak Airport |
| Tupelo, MS | TUP | Tupelo Municipal-C.D. Lemons Airport |
| Tuscaloosa, AL | TCL | Tuscaloosa Municipal Airport |
| Tuskegee, AL | TGE | Moton Field Municipal Airport |
| Tustin, CA | NTK | Tustin Marine Corps Air Station |
| Tuxekan Island, AK | WNC | Nichin Cove Seaplane Base |
| Twentynine Palms, CA | NXP | Twentynine Palms EAF Marine Corps Air Ground Combat Center Airport |
| Twentynine Palms, CA | TNP | Twentynine Palms Airport |
| Twin Falls, ID | TWF | Twin Falls-Sun Valley Regional Airport/Joslin Field |
| Twin Hills, AK | TWA | Twin Hills Airport |
| Two Harbors, MN | TWM | Richard B. Helgeson Airport |
| Tyler, TX | TYR | Tyler Pounds Field |
| Tyonek, AK | TYE | Tyonek Airport |
| Uganik, AK | UGI | |
| Ugashik, AK | UGA | Ugashik (New) Airport |
| Ukiah, CA | UKI | Ukiah Municipal Airport |
| Umiat, AK | UMT | Umiat Airport |
| Umnak Island, AK | UNS | |
| Umnak, AK | UMB | |
| Unalakleet, AK | UNK | Unalakleet Airport |
| Unalaska, AK | UNL | |
| Union City, TN | UCY | Everett-Stewart Airport |
| Universal City/San Antonio, TX | RND | Randolph Air Force Base |
| Upland, CA | CCB | Cable Airport |
| Upland, CA | JUP | Cable Heliport |
| Utica, MI | UIZ | Berz-Macomb Airport |
| Utica, NY | UCA | Oneida County Airport |
| Utopia Creek, AK | UTO | Indian Mountain LRRS |
| Uvalde, TX | UVA | Garner Field |
| Uyak, AK | JUY | |
| Uyak, AK | KUY | Uyak Seaplane Base |
| Vail, CO | WHR | Vail Junction Heliport |
| Vail/Eagle, CO | EGE | Eagle County Regional Airport |
| Valdez, AK | VDZ | Valdez Airport |
| Valdosta, GA | VAD | Moody Air Force Base |
| Valdosta, GA | VLD | Valdosta Regional Airport |
| Valentine, NE | VTN | Miller Field |
| Valparaiso, FL | EGI | Eglin Air Force Auxiliary Nr. 3 Duke Airport |
| Valparaiso, IN | VPZ | Porter County Municipal Airport |
| Van Horn, TX | VHN | Culberson County Airport |
| Van Wert, OH | VNW | Van Wert County Airport |
| Vandalia, IL | VLA | Vandalia Municipal Airport |
| Venetie, AK | VEE | Venetie Airport |
| Venice, FL | VNC | Venice Municipal Airport |
| Vermillion, SD | VMR | Harold Davidson Field |
| Vernal, UT | VEL | Vernal Airport |
| Vero Beach, FL | VRB | Vero Beach Municipal Airport |
| Versailles, OH | VES | Darke County Airport |
| Vicksburg, MS | VKS | Vicksburg Municipal Airport |
| Victoria, TX | VCT | Victoria Regional Airport |
| Victorville, CA | VCV | George Air Force Base |
| Vidalia, GA | VDI | Vidalia Municipal Airport |
| View Cove, AK | VCB | |
| Vincennes, IN | OEA | O'Neal Airport |
| Vinton, IA | VTI | Vinton Veterans Memorial Airpark |
| Virginia Beach, VA | NTU | Oceana Naval Air Station (Apollo Soucek Field) |
| Visalia, CA | VIS | Visalia Municipal Airport |
| Wabash, IN | IWH | Wabash Municipal Airport |
| Waco, TX | ACT | Waco Regional Airport |
| Waco, TX | CNW | TSTI-Waco/James Connall Airport |
| Wahiawa, HI | HHI | Wheeler Army Air Field |
| Wahoo, NE | AHQ | Wahoo Municipal Airport |
| Wahpeton, ND | WAH | Harry Stern Airport |
| Waikoloa, HI | WKL | Waikoloa Airport |
| Waimanalo, HI | BLW | |
| Wainwright, AK | AIN | Wainwright Airport |
| Wales, AK | WAA | Wales Airport |
| Walla Walla, WA | ALW | Walla Walla Regional Airport |
| Wallace, NC | ACZ | Henderson Field |
| Walnut Ridge, AR | ARG | Walnut Ridge Regional Airport |
| Walterboro, SC | RBW | Walterboro Municipal Airport |
| Waltham, MA | WLM | Prospect Hill Airport |
| Wapakoneta, OH | AXV | Neil Armstrong Airport |
| Ware, MA | UWA | Ware Airport |
| Warminster, PA | NJP | Warminster NAWC Airport |
| Warner Robins, GA | WRB | Robins Air Force Base |
| Warroad, MN | WAX | Warroad International Airport-Swede Carlson Field |
| Waseca, MN | ACQ | Waseca Municipal Airport |
| Washington, DC | BOF | Bolling Air Force Base |
| Washington, DC | BZS | Buzzards Point Seaplane Base |
| Washington, DC | DCA | Washington National Airport |
| Washington, DC | IAD | Washington Dulles International Airport |
| Washington, DC | JPN | Pentagon Army Heliport |
| Washington, DC | NDV | Anacostia U.S. Navy Heliport |
| Washington, DC | WAS | Metropolitan Area |
| Washington, GA | IIY | Washington-Wilkes County Airport |
| Washington, IA | AWG | Washington Municipal Airport |
| Washington, IN | DCY | Daviess County Airport |
| Washington, NC | OCW | Warren Field |
| Washington, PA | WSG | Washington County Airport |
| Wasilla, AK | WWA | New Wasilla Airport |
| Waterfall, AK | KWF | Waterfall Seaplane Base |
| Waterloo, IA | ALO | Waterloo Municipal Airport |
| Watersmeet, MI | RXW | NRC Airport |
| Watertown, NY | ART | Watertown International Airport |
| Watertown, SD | ATY | Watertown Municipal Airport |
| Watertown, WI | RYV | Watertown Municipal Airport |
| Waterville, ME | WVL | Waterville Robert Lafleur Airport |
| Watsonville, CA | WVI | Watsonville Municipal Airport |
| Waukesha, WI | UES | Waukesha County Airport |
| Waukon, IA | UKN | Waukon Municipal Airport |
| Wausau (Mosinee), WI | CWA | Central Wisconsin Airport |
| Wausau, WI | AUW | Wausau Municipal Airport |
| Wauseon, OH | USE | Fulton County Airport |
| Waycross, GA | AYS | Waycross-Ware County Airport |
| Waynesboro, GA | BXG | Burke County Airport |
| Waynesburg, PA | WAY | Greene County Airport |
| Weatherford, TX | WEA | Parker County Airport |
| Webster City, IA | EBS | Webster City Municipal Airport |
| Weeping Water, NE | EPG | Browns Airport |
| Wellington, KS | EGT | Wellington Municipal Airport |
| Wells, NV | LWL | Harriet Field |
| Wellsville, NY | ELZ | Wellsville Municipal Airport/Tarantine Field |
| Wenatchee, WA | EAT | Pangborn Memorial Airport |
| Wendover, UT | ENV | Wendover Airport |
| West Bend, WI | ETB | West Bend Municipal Airport |
| West Houston, TX | WHA | |
| West Kavi, AK | VKW | |
| West Kuparuk, AK | XPU | |
| West Memphis, AR | AWM | West Memphis Municipal Airport |
| West Palm Beach, FL | LNA | Palm Beach County Park |
| West Palm Beach, FL | PBI | Palm Beach International Airport |
| West Plains, MO | UNO | West Plains Municipal Airport |
| West Point, AK | KWP | West Point Seaplane Base |
| West Yellowstone, MT | WYS | Yellowstone Airport |
| Westchester County (White Plains), NY | HPN | Westchester County Airport |
| Westerly, RI | WST | Westerly State Airport |
| Westfield, MA | BAF | Barnes Municipal Airport |
| Westhampton Beach, NY | FOK | The Francis S. Gabreski Airport |
| Westsound, WA | WSX | Westsound Seaplane Base |
| Whale Pass, AK | WWP | North Whale Seaplane Base |
| Wharton, TX | WHT | Wharton Municipal Airport |
| Wheatland, WY | EAN | Phifer Airfield |
| Wheeling, WV | HLG | Wheeling Ohio County Airport |
| White Mountain, AK | WMO | White Mountain Airport |
| White Sands, NM | WSD | Condron Army Air Field |
| White Sulphur Springs, WV | SSU | |
| Whitefield, NH | HIE | Mount Washington Regional Airport |
| Whiteriver, AZ | WTR | Whiteriver Airport |
| Whitesburg, KY | BRG | Whitesburg Municipal Airport |
| Wichita Falls, TX | KIP | Kickapoo Downtown Airpark |
| Wichita Falls, TX | SPS | Sheppard Air Force Base/Wichita Falls Municipal |
| Wichita, KS | BEC | Beech Factory Airport |
| Wichita, KS | CEA | Cessna Aircraft Field |
| Wichita, KS | IAB | Mc Connell Air Force Base |
| Wichita, KS | ICT | Wichita Mid-Continent Airport |
| Wildwood, AK | WWS | |
| Wilkes-Barre, PA | WBW | Wilkes-Barre Wyoming Valley Airport |
| Wilkes-Barre/Scranton, PA | AVP | Wilkes-Barre/Scranton International Airport |
| Wilkesboro, NC | IKB | Wilkes County Airport |
| Williamsburg, VA | JGG | Williamsburg-Jamestown Airport |
| Williamsport, PA | IPT | Williamsport-Lycoming County Airport |
| Willimantic, CT | IJD | Windham Airport |
| Williston, ND | ISN | Sloulin Field International |
| Willmar, MN | ILL | Willmar Municipal Airport-John L. Rice Field |
| Willoughby, OH | LNN | Lost Nation Airport |
| Willow Grove, PA | NXX | Willow Grove Naval Air Station |
| Willow, AK | WOW | Willow Airport |
| Willows, CA | WLW | Willows-Glenn County Airport |
| Wilmington, DE | ILG | New Castle County Airport |
| Wilmington, NC | ILM | New Hanover International Airport |
| Wilmington, OH | ILN | Airborne Airpark |
| Wilton, CT | QCW | |
| Winchester, VA | WGO | Winchester Regional Airport |
| Winder, GA | WDR | Winder Airport |
| Windom, MN | MWM | Windom Municipal Airport |
| Winfield/Arkansas City, KS | WLD | Strother Field |
| Wink, TX | INK | Winkler County Airport |
| Winnemucca, NV | WMC | Winnemucca Municipal Airport |
| Winnsboro, SC | FDW | Fairfield County Airport |
| Winona, MN | ONA | Winona Municipal Airport-Max Conrad Field |
| Winslow, AZ | INW | Winslow Municipal Airport |
| Winston-Salem, NC | INT | Smith Reynolds Airport |
| Winter Haven, FL | GIF | Winter Haven's Gilbert Airport |
| Winter Park, CO | QWP | |
| Wiscasset, ME | ISS | Wiscasset Airport |
| Wisconsin Rapids, WI | ISW | Alexander Field South Wood County |
| Wise, VA | LNP | Lonesome Pine Airport |
| Wiseman, AK | WSM | Wiseman Airport |
| Woburn, MA | WBN | |
| Wolf Point, MT | OLF | L. M. Clayton Airport |
| Wood River, AK | WOD | |
| Woodchopper, AK | WOO | Woodchopper Airport |
| Woodward, OK | WWR | West Woodward Airport |
| Wooster, OH | BJJ | Wayne County Airport |
| Worcester, MA | ORH | Worcester Municipal Airport |
| Worland, WY | WRL | Worland Municipal Airport |
| Worthington, MN | OTG | Worthington Municipal Airport |
| Wrangell, AK | WRG | Wrangell Airport |
| Wrightstown, NJ | WRI | McGuire Air Force Base |
| Yakima, WA | FCT | Vagabond Army Air Field |
| Yakima, WA | YKM | Yakima Air Terminal |
| Yakutat, AK | YAK | Yakutat Airport |
| Yankton, SD | YKN | Chan Gurney Municipal Airport |
| Yerington, NV | EYR | Yerington Municipal Airport |
| Yes Bay, AK | WYB | Yes Bay Lodge Seaplane Base |
| York, NE | JYR | York Municipal Airport |
| York, PA | THV | York Airport |
| Yosemite Park, CA | OYS | |
| Youngstown, OH | YNG | Youngstown-Warren Regional Airport |
| Yucca Flats, NV | UCC | |
| Yuma Proving Ground (Yuma), AZ | LGF | Laguna Army Air Field |
| Yuma, AZ | NYL | Yuma Marina Corps Air Station |
| Yuma, AZ | YUM | Yuma Marine Corps Air Station/Yuma International |
| Zachar Bay, AK | KZB | Zachar Bay Seaplane Base |
| Zanesville, OH | ZZV | Zanesville Municipal Airport |
| Zephyrhills, FL | ZPH | Zephyrhills Municipal Airport |
| Zuni Pueblo, NM | ZUN | Black Rock Airport |
|