| dmo | KDMO | Sedalia Rgnl | - | |
|
| sov | PASO | Seldovia | - | |
|
| MMS | KMMS | Selfs | Marx | |
|
| mit | KMIT | Shafter-Minter-Feld | - | |
|
| cbk | KCBK | Shalz Feld | - | |
|
| snl | KSNL | Shawnee Rgnl | - | |
|
| sbx | KSBX | Shelby | - | |
|
| 2H0 | K2H0 | Shelby County Flughafen | - | |
|
| EET | KEET | Shelby County Flughafen | - | |
|
| SYI | KSYI | Shelbyville Muni | Shelbyville | |
|
| SXS | KSXS | Shell Ahp | - | |
|
| sda | KSDA | Shenandoah Muni | - | |
|
| pwd | KPWD | Sher-Wood | - | |
|
| SAA | KSAA | Shively Field | Saratoga | |
|
| dtn | KDTN | Shreveport Innenstadt | - | |
|
| jsd | KJSD | Sikorsky | - | |
|
| BFW | KBFW | Silver Bay Muni | - | |
|
| SKW | PASW | Skwentna | Squantna | |
|
| DAW | KDAW | Skyhaven Flughafen | - | |
|
| btf | KBTF | Skypark | - | |
|
| dvp | KDVP | Slayton Muni | - | |
|
| SLG | KSLG | Smith Field | Sailom Springs | |
|
| MQY | KMQY | Smyrna | Smyrna | |
|
| GEY | KGEY | South Big Horn County | Greybull | |
|
| TDO | KTDO | South Lewis Co | Toledo | |
|
| BEH | KBEH | Southwest Michigan Rgnl | Benton Hafen | |
|
| CMY | KCMY | Sparta / Fort Mc Coy | Sparta | |
|
| sar | KSAR | Sparta-Gemeinschaft | - | |
|
| spa | KSPA | Spartanburg Dntn Mem | - | |
|
| MUL | KMUL | Spence | - | |
|
| ASG | KASG | Springdale Muni | - | |
|
| sjn | KSJN | St Johns Industrial | - | |
|
| PLR | KPLR | St. Clair County | Pell Stadt | |
|
| PBV | PAPB | St. Georg | - | |
|
| cps | KCPS | St. Louis im Stadtzentrum gelegen | - | |
|
| reo | KREO | Staat Rom | - | |
|
| 3AU | K3AU | Städtischer Flughafen Augusta | - | |
|
| CVX | KCVX | Städtischer Flughafen Charlevoix | - | |
|
| 57C | K57C | Städtischer Flughafen East Troy | - | |
|
| E63 | KE63 | Städtischer Flughafen Gila Bend | - | |
|
| GEU | KGEU | Städtischer Flughafen Glendale | - | |
|
| LHX | KLHX | Städtischer Flughafen La Junta | - | |
|
| IGQ | KIGQ | Städtischer Flughafen Lansing | - | |
|
| UWL | KUWL | Städtischer Flughafen New Castle Henry Co. | - | |
|
| MPO | KMPO | Städtischer Flughafen Pocono Mountains | Mount Pocono | |
|
| RID | KRID | Städtischer Flughafen Richmond | Richmond | |
|
| HYI | KHYI | Städtischer Flughafen San Marcos | - | |
|
| AWO | KAWO | Städtischer Flughafen von Arlington | - | |
|
| GKY | KGKY | Städtischer Flughafen von Arlington | - | |
|
| BUU | KBUU | Städtischer Flughafen von Burlington | - | |
|