| FAA Information Effective: | 2013-12-12 | 
| Airport Identifier: | 3LL5 | 
| Airport Status: | Operational | 
| Longitude/Latitude: | 088-14-03.3200W/42-27-52.0690N -88.234256/42.464464 (Estimated) | 
| Elevation: | 860 ft / 262.13 m (Estimated) | 
| Land: | 0 acres | 
| From nearest city: | 2 nautical miles N of Spring Grove, IL | 
| Location: | Mc Henry County, IL | 
| Magnetic Variation: | 01W (1985) | 
| Ownership: | Privately owned | 
| Owner: | Robert R. Richardson | 
| Address: | 9407 Richardson Rd Spring Grove, IL 60081 | 
| Phone number: | 815-675-2011 | 
| Address: | 
| Airport Use: | Private | 
| Wind indicator: | Yes | 
| Segmented Circle: | No | 
| Control Tower: | No | 
| Landing fee charge: | No | 
| Sectional chart: | Chicago | 
| Region: | AGL - Great Lakes | 
| Boundary ARTCC: | ZAU - Chicago | 
| Tie-in FSS: | IKK - Kankakee | 
| FSS on Airport: | No | 
| FSS Toll Free: | 1-800-WX-BRIEF | 
| Airframe Repair: | NONE | 
| Power Plant Repair: | NONE | 
| Dimension: | 1750 x 70 ft / 533.4 x 21.3 m | 
| Surface: | TURF, | 
| Runway E | Runway W | |
|---|---|---|
| Traffic Pattern: | Left | Right | 
| PROVIDED ALL TFC PTN OPNS CONDUCTED ON NORTH SIDE OF THE ARPT; RIGHT TFC LNDG OR TKOF WEST. |