Itinerant parking on southeast general aviation ramp only.
Taxiing aircraft should use caution in early morning and late afternoon hours; sunday glare may make visual recognition of signs and pavement markings difficult.
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.
Birds on and in vicinity of airport.
Taxiway 'A5' and 'C1' southwest of runway 14L/23R closed to aircraft ovr 11,800 lbs.
Taxiway A6 and A7, adjacent to ramp, not visible from the control tower.
Approach end runway 22 and 32R not visible from each other.
When tower is closed runway 32R is the preferred calm wind runway.
24 hr prior permission required for unsked air carrier operations with more than 30 passenger seats between 2300-0600 tower daily please call airport manager 217-244-8689/8764.
Runway 14R/32L closed 2300-0600.
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.
When air traffic control tower closed HIRL runway 14L/32R preset on low intensity; to incr intensity and activate MIRL runways 04/22; MALSR runway 32R; PAPI runway 14L/32R; HIRL runway 14L/32R - CTAF.