| Site | Code |
|---|---|
| CLEVELAND/BURKELAKE | KBKL |
| AKRON-CANTON RGNL | KCAK |
| CLEVELAND/CUYAHOGA | KCGF |
| CLEVELAND/HOPKINS | KCLE |
| PORT COLUMBUS INTL | KCMH |
| DAYTON/JAMES M COX | KDAY |
| FINDLAY(AWOS) | KFDY |
| WRIGHT-PATERSON AFB | KFFO |
| RICKENBACKER ANGB | KLCK |
| LANCASTER | KLHQ |
| WILLOUGHBY | KLNN |
| CINCINNATI/LUNKIN | KLUK |
| MANSFIELD/LAHM MUNI | KMFD |
| OHIO ST U/COLUMBUS | KOSU |
| SPRINGFIELD MUNI | KSGH |
| TOLEDO EXPRESS | KTOL |
| YOUNGSTOWN MUNI | KYNG |
| ZANESVILLE MUNI | KZZV |