| ALASKA | CEX4 | CARMACKS |
| ALASKA | CEM | CENTRAL |
| ALASKA | CEZ2 | CHAPMAN |
| CALIFORNIA | CEC | CRESCENT CITY JACK McNAMARA FLD |
| COLORADO | CEZ | CORTEZ MUNI |
| FLORIDA | CEW | CRESTVIEW BOB SIKES |
| INDIANA | CEV | CONNERSVILLE METTEL FLD |
| KANSAS | CEA | WICHITA CESSNA ACFT FLD |
| KENTUCKY | CEY | MURRAY KYLE-OAKLEY FLD |
| MASSACHUSETTS | CEF | SPRINGFIELD-CHICOPEE WESTOVER ARB-METROPOLITAN |
| NEBRASKA | CEK | CRETE MUNI |
| SOUTH CAROLINA | CEU | CLEMSON OCONEE COUNTY RGNL |