| A110-1 | Itinerant parking on southeast general aviation ramp only. |
| A110-10 | Taxiing aircraft should use caution in early morning and late afternoon hours; sunday glare may make visual recognition of signs and pavement markings difficult. |
| A110-11 | Runway 14L and runway 18 approach ends are closely aligned. runway 04 and runway 36 approach ends are closely aligned. Verify correct runway and compass heading prior to departure. |
| A110-5 | Birds on and in vicinity of airport. |
| A110-6 | Taxiway 'A5' and 'C1' southwest of runway 14L/23R closed to aircraft ovr 11800 lbs. |
| A110-7 | Taxiway A6 and A7, adjacent to ramp, not visible from the control tower. |
| A110-8 | Approach end runway 22 and 32 not visible from each other. |
| A110-9 | When tower is closed runway 32R is the preferred calm wind runway. |
| A26 | 24 hr prior permission required for unsked air carrier operations with more than 30 passenger seats between 2200-0600 tower daily please call airport manager 217-244-8634/8764. |
| A30-14R/32L | Runway 14R/32L closed 2300-0600. |
| A30-18/36 | Runway 18/36 closed 2300-0600. runway 18/36 closed to scheduled air carrier operations 10 seats or more and closed to unscheduled air carrier operations greater than 30 passenger seats. Available for air carrier taxi only. |
| A81 | When air traffic control tower closed HIRL runway 14L/32R preset on RDO-CTL; to incr intensity and activate MIRL runways 04/22 and MALSR runway 32R - CTAF. |
