| HDN | KHDN | Yampa Valley Airport | Хейден | |
|
| HHH | KHXD | Hilton Head Airport | Хилтон-Хед-Айленд | |
|
| RSH | PARS | Russian Mission Airport | Рашн Мишн | |
|
| SAD | KSAD | Safford Regional Airport | Саффорд | |
|
| SBM | KSBM | Sheboygan County Memorial Airport | Шебойган | |
|
| SBO | KSBO | Emanuel County Airport | Salina | |
|
| SBS | KSBS | Steamboat Springs Bob Adams Field | Стимбот Спрингс | |
|
| SCD | KSCD | Merkel Field Sylacauga Municipal Airport | - | |
|
| SDC | KSDC | Williamson Sodus Airport | - | |
|
| SDX | KSEZ | Sedona Airport | Седона | |
|
| SEE | KSEE | Gillespie Field | - | |
|
| SEF | KSEF | Sebring Regional Airport | Себринг | |
|
| SEM | KSEM | Craig Field | - | |
|
| SFZ | KSFZ | North Central State Airport | Потакет | |
|
| SGY | PAGY | Skagway Airport | Скагуэй | |
|
| SHD | KSHD | Shenandoah Valley Regional Airport | Стонтон | |
|
| SHG | PAGH | Shungnak Airport | Шангнак | |
|
| SHN | KSHN | Sanderson Field | Шелтон | |
|
| SHX | PAHX | Shageluk Airport | Шагелук | |
|
| SIK | KSIK | Sikeston Memorial Municipal Airport | Сайкстон | |
|
| SKK | PFSH | Shaktoolik Airport | Шактулик | |
|
| SLQ | PASL | Sleetmute Airport | Слитмут | |
|
| SMD | KSMD | Smith Field | - | |
|
| SMK | PAMK | St Michael Airport | Сент-Майкл | |
|
| SMO | KSMO | Santa Monica Municipal Airport | Санта Моника | |
|
| SOA | KSOA | Sonora Municipal Airport | - | |
|
| SOP | KSOP | Moore County Airport | Саутерн Пайнс | |
|
| SOW | KSOW | Show Low Regional Airport | Шоу Лоу | |
|
| SPF | KSPF | Black Hills Airport-Clyde Ice Field | Спирфиш | |
|
| SPW | KSPW | Spencer Municipal Airport | Спенсер | |
|
| SPZ | KSPZ | Silver Springs Airport | Спрингдейл | |
|
| SQL | KSQL | San Carlos Airport | Сан Карлос | |
|
| SRR | KSRR | Sierra Blanca Regional Airport | - | |
|
| STE | KSTE | Stevens Point Municipal Airport | Стивенс Пойнт | |
|
| STK | KSTK | Sterling Municipal Airport | Стерлинг | |
|
| SUA | KSUA | Witham Field | Стьюарт | |
|
| rog | KROG | Rogers Executive - Carter Field | - | |
|
| rox | KROX | Roseau Municipal | - | |
|
| rpx | KRPX | Roundup | - | |
|
| rrl | KRRL | Merrill Muni | - | |
|
| RRT | KRRT | Warroad Intl Memorial | Уоррод | |
|
| RSN | KRSN | Ruston Rgnl | Растон | |
|
| RTN | KRTN | Raton Muni/Crews Field | Ратон | |
|
| RYY | KRYY | Cobb County-Mc Collum Field | - | |
|
| RZN | KRZN | Burnett County | - | |
|
| S40 | KS40 | Prosser Airport | - | |
|
| S46 | XS46 | Port O'Connor Private Airport | - | |
|
| SAA | KSAA | Shively Field | Саратога | |
|
| sar | KSAR | Sparta Community | - | |
|
| sas | KSAS | Salton Sea | - | |
|