| A110*G | This airport has been surveyed by the national geodetic survey. |
| A110-1 | Deer and birds on and in vicinity of airport. |
| A110-2 | Runway 18/36 not available for air carrier operations with more than 30 passenger seats. |
| A26 | 24 hr prior permission required for unsked air carrier operations with more than 30 passenger seats; please call airport manager 217-234-7120. |
| A42-18 | Runway marked with corner stone markers, length and width. |
| A81 | HIRL runway 11/29 intensity preset to incr intensity and activate MALSR runway 29; MIRL runway 06/24; reils runways 06 and 11 and 24 - CTAF. |
