| SNP | PASN | St Paul Island Airport | Saint Paul Island | |
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| PIE | KPIE | St Petersburg Clearwater International Airport | - | |
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| SWF | KSWF | Stewart International Airport | Newburgh | |
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| SSF | KSSF | Stinson Municipal Airport | - | |
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| SCK | KSCK | Stockton Metropolitan Airport | - | |
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| SGR | KSGR | Sugar Land Regional Airport | Sugar Land | |
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| TIW | KTIW | Tacoma Narrows Airport | Tacoma | |
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| TKA | PATK | Talkeetna Airport | Talkeetna | |
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| TZR | LHTA | Taszár Air Base | - | |
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| TLJ | PATL | Tatalina LRRS Airport | Tatalina | |
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| HUF | KHUF | Terre Haute International Hulman Field | Terre Haute | |
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| TEB | KTEB | Teterboro Airport | Teterboro | |
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| TXK | KTXK | Texarkana Regional Webb Field | Texarkana | |
|
| PVD | KPVD | Theodore Francis Green State Airport | Providence | |
|
| FME | KFME | Tipton Airport | Fort Meade | |
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| TOG | PATG | Togiak Airport | Togiak Fish | |
|
| TPH | KTPH | Tonopah Airport | Tonopah | |
|
| FOE | KFOE | Topeka Regional Airport - Forbes Field | - | |
|
| TTN | KTTN | Trenton Mercer Airport | - | |
|
| PSC | KPSC | Tri Cities Airport | Pasco | |
|
| TOI | KTOI | Troy Municipal Airport | Troy | |
|
| TKF | KTRK | Truckee Tahoe Airport | Truckee | |
|
| TCS | KTCS | Truth Or Consequences Municipal Airport | Truth Or Consequences | |
|
| TCC | KTCC | Tucumcari Municipal Airport | Tucumcari | |
|
| TUP | KTUP | Tupelo Regional Airport | Tupelo | |
|
| TCL | KTCL | Tuscaloosa Regional Airport | Tuscaloosa | |
|
| HVN | KHVN | Tweed New Haven Airport | New Haven | |
|
| TYR | KTYR | Tyler Pounds Regional Airport | Tyler | |
|
| UKI | KUKI | Ukiah Municipal Airport | Ukiah | |
|
| DUT | PADU | Unalaska Airport | Dutch Harbor | |
|
| CMI | KCMI | University of Illinois Willard Airport | Champaign | |
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| UOX | KUOX | University Oxford Airport | Oxford | |
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| SCE | KUNV | University Park Airport | State College | |
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| UPP | PHUP | Upolu Airport | Upolu Point | |
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| VDZ | PAVD | Valdez Pioneer Field | Valdez | |
|
| VLD | KVLD | Valdosta Regional Airport | Valdosta | |
|
| HRL | KHRL | Valley International Airport | Harlingen | |
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| VNY | KVNY | Van Nuys Airport | - | |
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| FKL | KFKL | Venango Regional Airport | Franklin | |
|
| VEL | KVEL | Vernal Regional Airport | Vernal | |
|
| VRB | KVRB | Vero Beach Municipal Airport | Vero Beach | |
|
| VCT | KVCT | Victoria Regional Airport | Victoria | |
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| VOK | KVOK | Volk Field | Camp Douglas | |
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| BTL | KBTL | W K Kellogg Airport | Battle Creek | |
|
| ACT | KACT | Waco Regional Airport | Waco | |
|
| MUE | PHMU | Waimea Kohala Airport | Kamuela | |
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| AIN | PAWI | Wainwright Airport | Wainwright | |
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| ALW | KALW | Walla Walla Regional Airport | Walla Walla | |
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| WWA | PAWS | Wasilla Airport | Wasilla | |
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| ALO | KALO | Waterloo Regional Airport | Waterloo | |
|