| ALASKA | 48AK | SUTTON-CHICKALOON GRAHAM |
| FLORIDA | 48X | PALMETTO AIRPORT MANATEE |
| GEORGIA | 48A | COCHRAN |
| KANSAS | 48K | NESS CITY MUNI |
| MICHIGAN | 48D | CLARE MUNI |
| MICHIGAN | 48G | YALE GAVAGAN FLD |
| MINNESOTA | 48Y | PINEY PINECREEK BORDER |
| MONTANA | 48S | HARLEM |
| PENNSYLVANIA | 48P | ROCKY HILL ULTRALIGHT |
| WEST VIRGINIA | 48I | SUTTON BRAXTON CO |
| WYOMING | 48U | GTR GREEN RIVER INTER GALACTIC SPACEPORT |