| ALABAMA | MDQ | HUNTSVILLE MADISON CO EXECUTIVE-TOM SHARP JR FLD |
| ALASKA | MDO | MIDDLETON ISLAND |
| ALASKA | MDM | MARSHALL DON HUNTER SR |
| ILLINOIS | MDW | CHICAGO MIDWAY INTL |
| ILLINOIS | MDH | CARBONDALE-MURPHYSBORO SOUTHERN ILLINOIS |
| MARYLAND | MD1 | MASSEY AERODROME |
| MIDWAY ATOLL | MDY | MIDWAY ATOLL-SAND ISLAND HENDERSON FLD |
| OKLAHOMA | MDF | MOORELAND MUNI |
| PENNSYLVANIA | MDT | HARRISBURG INTL |
| SOUTH DAKOTA | MDS | MADISON MUNI |
| TEXAS | MDD | MIDLAND AIRPARK |
| WISCONSIN | MDZ | MEDFORD TAYLOR CO |