| Pope Field | Fort Bragg | POB · KPOB | 2 |
| Port Clarence Coast Guard Station | Port Clarence | KPC · PAPC | 1 |
| Porter County Municipal Airport | Valparaiso | VPZ · KVPZ | 2 |
| Portland Hillsboro Airport | Portland | HIO · KHIO | 3 |
| Portland Troutdale Airport | Portland | TTD · KTTD | 1 |
| Quantico Marine Corps Airfield / Turner Field | Quantico | NYG · KNYG | 1 |
| Quonset State Airport | North Kingstown | NCO · KOQU | 2 |
| Ralph Wenz Field | Pinedale | PWY · KPNA | 1 |
| Randolph Air Force Base | Universal City | RND · KRND | 2 |
| Rawlins Municipal Airport/Harvey Field | Rawlins | RWL · KRWL | 2 |
| Reading Regional Airport (Carl A Spaatz Field) | Reading | RDG · KRDG | 2 |
| Red Bluff Municipal Airport | Red Bluff | RBL · KRBL | 1 |
| Redstone Army Air Field | Redstone Arsnl Huntsville | HUA · KHUA | 1 |
| Redwood Falls Municipal Airport | Redwood Falls | RWF · KRWF | 2 |
| Republic Airport | East Farmingdale | FRG · KFRG | 2 |
| Richard B Russell Airport | Rome | RMG · KRMG | 2 |
| Riverside Municipal Airport | Riverside | RAL · KRAL | 2 |
| Robins Air Force Base | Warner Robins | WRB · KWRB | 1 |
| Rocky Mount Wilson Regional Airport | Rocky Mount | RWI · KRWI | 1 |
| Rosecrans Memorial Airport | St Joseph | STJ · KSTJ | 2 |
| Russell Municipal Airport | Russell | RSL · KRSL | 2 |
| Sacramento Executive Airport | Sacramento | SAC · KSAC | 3 |
| Sacramento Mather Airport | Sacramento | MHR · KMHR | 2 |
| Saint Paul Downtown Holman Field | Saint Paul | STP · KSTP | 3 |
| Salinas Municipal Airport | Salinas | SNS · KSNS | 2 |
| Saline County Regional Airport | Bryant | KSUZ | 1 |
| San Marcos Regional Airport | San Marcos | KHYI | 3 |
| Santa Monica Municipal Airport | Santa Monica | SMO · KSMO | 1 |
| Sawyer County Airport | Hayward | HYR · KHYR | 2 |
| Schenectady County Airport | Schenectady | SCH · KSCH | 2 |
| Scholes International At Galveston Airport | Galveston | GLS · KGLS | 2 |
| Selfridge Air National Guard Base Airport | Mount Clemens | MTC · KMTC | 1 |
| Seward Airport | Seward | SWD · PAWD | 2 |
| Seymour Johnson Air Force Base | Goldsboro | GSB · KGSB | 1 |
| Shaw Air Force Base | Sumter | SSC · KSSC | 2 |
| Shelby County Airport | Alabaster | KEET | 1 |
| Sidney Municipal Airport Lloyd W Carr Field | Sidney | SNY · KSNY | 2 |
| Sierra Blanca Regional Airport | Alto | RUI · KSRR | 2 |
| Sierra Vista Municipal Airport / Libby Army Air Field | Fort Huachuca / Sierra Vista | FHU · KFHU | 3 |
| Simmons Army Air Field | Fort Bragg | FBG · KFBG | 1 |
| Smith Reynolds Airport | Winston Salem | INT · KINT | 2 |
| Smyrna Airport | Smyrna | MQY · KMQY | 2 |
| Soldotna Airport | Soldotna | SXQ · PASX | 1 |
| Sonora Municipal Airport | Sonora | KSOA | 1 |
| South Alabama Regional At Bill Benton Field Airport | Andalusia/Opp | K79J | 1 |
| South Valley Regional Airport | Salt Lake City | KSVR | 1 |
| Southeast Colorado Regional Airport | Lamar | LAA · KLAA | 2 |
| Southern Illinois Airport | Murphysboro | MDH · KMDH | 3 |
| Southwest Washington Regional Airport | Kelso | KLS · KKLS | 1 |
| Space Coast Regional Airport | Titusville | TIX · KTIX | 2 |
| Space Florida Launch and Landing Facility | Titusville | KTTS | 1 |
| Sparrevohn LRRS Airport | Sparrevohn | SVW · PASV | 1 |
| Spirit of St Louis Airport | St Louis | SUS · KSUS | 2 |
| Springfield-Beckley Municipal Airport | Springfield | SGH · KSGH | 2 |
| St Louis Regional Airport | Alton/St Louis | ALN · KALN | 2 |
| St Simons Island Airport | St Simons Island | SSI · KSSI | 2 |
| Stinson Municipal Airport | San Antonio | SSF · KSSF | 2 |
| Sugar Land Regional Airport | Houston | SGR · KSGR | 1 |
| Talkeetna Airport | Talkeetna | TKA · PATK | 1 |
| Tatalina LRRS Airport | Takotna | TLJ · PATL | 1 |
| Terre Haute Regional Airport, Hulman Field | Terre Haute | HUF | 2 |
| Texas Gulf Coast Regional Airport | Angleton | LJN · KLBX | 1 |
| The Ohio State University Airport - Don Scott Field | Columbus | OSU · KOSU | 3 |
| Tinker Air Force Base | Oklahoma City | TIK · KTIK | 2 |
| Tonopah Airport | Tonopah | TPH · KTPH | 2 |
| Topeka Regional Airport | Topeka | FOE · KFOE | 2 |
| Travis Air Force Base | Fairfield | SUU · KSUU | 2 |
| Treasure Coast International Airport | Fort Pierce | FPR · KFPR | 2 |
| Troy Municipal Airport at N Kenneth Campbell Field | Troy | TOI · KTOI | 2 |
| Truth or Consequences Municipal Airport | Truth or Consequences | TCS · KTCS | 5 |
| Tucumcari Municipal Airport | Tucumcari | TCC · KTCC | 2 |
| Tulsa Riverside Airport | Tulsa | RVS · KRVS | 3 |
| Tuscaloosa National Airport | Tuscaloosa | TCL · KTCL | 2 |
| Twentynine Palms Strategic Expeditionary Landing Field | Twentynine Palms | KNXP | 1 |
| Tyndall Air Force Base | Panama City | PAM · KPAM | 2 |
| Ukiah Municipal Airport | Ukiah | UKI · KUKI | 1 |
| University Oxford Airport | Oxford | UOX · KUOX | 1 |
| Van Nuys Airport | Van Nuys | VNY · KVNY | 2 |
| Van Zandt County Regional Airport | Wills Point | K76F | 1 |
| Vance Air Force Base | Enid | END · KEND | 3 |
| Vandenberg Space Force Base | Lompoc | VBG · KVBG | 1 |
| Venango Regional Airport | Franklin | FKL · KFKL | 2 |
| Visalia Municipal Airport | Visalia | VIS · KVIS | 1 |
| Volk Field | Camp Douglas | VOK · KVOK | 1 |
| Warren "Bud" Woods Palmer Municipal Airport | Palmer | PAQ · PAAQ | 3 |
| Washington Manassas Harry P. Davis Field | Manassas | MNZ · KHEF | 2 |
| Wasilla Airport | Wasilla | WWA · PAWS | 2 |
| Wausau Downtown Airport | Wausau | AUW · KAUW | 3 |
| Wendover Airport | Wendover | ENV · KENV | 2 |
| West Woodward Airport | Woodward | WWR · KWWR | 2 |
| Western Carolina Regional Airport | Andrews | KRHP | 1 |
| Westfield-Barnes Regional Airport | Westfield | BAF · KBAF | 2 |
| Westover Metropolitan Airport / Westover Air Reserve Base | Chicopee | CEF | 2 |
| Wheeler Sack Army Air Field | Fort Drum | KGTB | 3 |
| Wheeling Ohio County Airport | Wheeling | HLG · KHLG | 2 |
| Whidbey Island Naval Air Station (Ault Field) | Oak Harbor | NUW · KNUW | 2 |
| Whiteman Air Force Base | Knob Noster | SZL · KSZL | 1 |
| Whiting Field Naval Air Station - North | Milton | NSE · KNSE | 2 |
| Whiting Field Naval Air Station South Airport | Milton | KNDZ | 2 |
| William R Fairchild International Airport | Port Angeles | CLM · KCLM | 2 |