| ALASKA | SPB | SCAPPOOSE INDUSTRIAL AIRPARK |
| FLORIDA | SPG | ST PETERSBURG ALBERT WHITTED |
| ILLINOIS | SPI | SPRINGFIELD ABRAHAM LINCOLN CAPITAL |
| IOWA | SPW | SPENCER MUNI |
| LOUISIANA | SPH | SPRINGHILL |
| OREGON | SPB_1 | SCAPPOOSE INDUSTRIAL AIRPARK |
| SOUTH CAROLINA | SPA | SPARTANBURG DOWNTOWN MEML |
| SOUTH DAKOTA | SPF | SPEARFISH BLACK HILLS-CLYDE ICE FLD |
| TEXAS | SPS | SHEPPARD AFB-WICHITA FALLS MUNI |