| FAA Information Effective: | 2013-12-12 | 
| Airport Identifier: | 4IL3 | 
| Airport Status: | Operational | 
| Longitude/Latitude: | 089-13-42.3810W/42-08-34.0870N -89.228439/42.142802 (Estimated) | 
| Elevation: | 725 ft / 220.98 m (Estimated) | 
| Land: | 0 acres | 
| From nearest city: | 3 nautical miles NW of Stillman Valley (byron), IL | 
| Location: | Ogle County, IL | 
| Magnetic Variation: | 00W (1990) | 
| Ownership: | Privately owned | 
| Owner: | Merle Bruce Haselton | 
| Address: | 5800 E. Skinner Road Stillman Valley, IL 61084 | 
| Phone number: | 815-234-3099 | 
| Manager: | Bruce Haselton | 
| Address: | 5800 E. Skinner Road Stillman Valley, IL 61084 | 
| Phone number: | 815-234-3099 | 
| Airport Use: | Private | 
| Wind indicator: | Yes | 
| Segmented Circle: | No | 
| Control Tower: | No | 
| Sectional chart: | Chicago | 
| Region: | AGL - Great Lakes | 
| Boundary ARTCC: | ZAU - Chicago | 
| Tie-in FSS: | IKK - Kankakee | 
| FSS Toll Free: | 1-800-WX-BRIEF | 
| Dimension: | 750 x 70 ft / 228.6 x 21.3 m USABLE RUNWAY BETWEEN DISPLACED THRESHOLD IS 750' - OVER ALL PROPERTY LENGTH IS 1650' | 
| Surface: | TURF, | 
| Runway 01 | Runway 19 | |
|---|---|---|
| Traffic Pattern: | Left | Left | 
| Displaced threshold: | 430.00 ft | 480.00 ft | 
| Obstruction: | 30 ft trees, 50.0 ft from runway | 80 ft trees, 770.0 ft from runway | 
| LIMITED TO STOL AIRCRAFT; 125 FT EITHER SIDE & 200 FT OFF THE ENDS OF RY BE CLEAR OF OBSTNS OR OBSTNS REMOVED/LOWERED OR THR DSPLCD TO PRVD 20:1 CLNC. |