| FAA Information Effective: | 2013-12-12 | 
| Airport Identifier: | 45IL | 
| Airport Status: | Operational | 
| Longitude/Latitude: | 087-51-49.2530W/42-15-13.0830N -87.863681/42.253634 (Estimated) | 
| Elevation: | 680 ft / 207.26 m (Estimated) | 
| Land: | 0 acres | 
| From nearest city: | 3 nautical miles W of Lake Forest, IL | 
| Location: | Lake County, IL | 
| Magnetic Variation: | 01W (1985) | 
| Ownership: | Privately owned | 
| Owner: | Northwestern Lake Forest Hospital | 
| Address: | 660 N. Westmoreland Road Lake Forest, IL 60045 | 
| Phone number: | 847-234-5600 | 
| Manager: | Roger Wojtowicz | 
| Address: | 660 N. Westmoreland Road Lake Forest, IL 60045 | 
| Phone number: | 847-535-6564 | 
| Airport Use: | Private MEDICAL USE. | 
| Wind indicator: | Yes | 
| Segmented Circle: | No | 
| Control Tower: | No | 
| Lighting Schedule: | SEE RMK FOR PERI LGTS CALL 847-234-5600. | 
| 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 | 
| Dimension: | 50 x 50 ft / 15.2 x 15.2 m | 
| Surface: | CONC, | 
| Runway H1 | Runway | |
|---|---|---|
| Traffic Pattern: | Left | Left | 
| PRVDD APP/DEP OPNS ARE CONDUCTED FM 170 DEGS TO 320 DEGS; AREA IS MARKED; WIND INDICATOR IS MAINTAINED; TREES & LIGHTS ARE REMOVED/LOWERED; PILOTS BE ADVISED OF TALL TOWER NE. |