| FAA Information Effective: | 2013-12-12 | 
| Airport Identifier: | 3LS7 | 
| Airport Status: | Operational | 
| Longitude/Latitude: | 089-30-42.0000W/39-59-11.0000N -89.511667/39.986389 (Estimated) | 
| Elevation: | 592 ft / 180.44 m () | 
| Land: | 0 acres | 
| From nearest city: | 0 nautical miles of Williamsville, IL | 
| Location: | Logan County, IL | 
| Magnetic Variation: | 00E (1995) | 
| Ownership: | Privately owned | 
| Owner: | Roger Bock | 
| Address: | 450 450th Ave. Williamsville, IL 62693 | 
| Phone number: | 217-341-3867 | 
| Manager: | Roger Bock | 
| Address: | 450 450th Ave. Williamsville, IL 62693 | 
| Phone number: | 217-341-3867 | 
| Airport Use: | Private | 
| Segmented Circle: | No | 
| Control Tower: | No | 
| Sectional chart: | Kansas City | 
| Region: | AGL - Great Lakes | 
| Boundary ARTCC: | ZAU - Chicago | 
| Tie-in FSS: | STL - Saint Louis | 
| FSS Toll Free: | 1-800-WX-BRIEF | 
| Dimension: | 1725 x 105 ft / 525.8 x 32.0 m | 
| Surface: | TURF, | 
| Runway 18 | Runway 36 | |
|---|---|---|
| Traffic Pattern: | Left | Left | 
| Obstruction: | 64 ft pline, 900.0 ft from runway | 
| DUE TO PUBLIC RD TO THE SOUTH PENETRATING THE OFZ & 55 FT PLINE (64 FT ABEAM ARPT) TO THE S. |