| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | LL14 |
| Airport Status: | Operational |
| Longitude/Latitude: | 088-00-34.0000W/42-20-18.0000N -88.009444/42.338333 (Estimated) |
| Elevation: | 823 ft / 250.85 m (Estimated) |
| Land: | 0 acres |
| From nearest city: | 1 nautical miles SE of Grayslake, IL |
| Location: | Lake County, IL |
| Magnetic Variation: | () |
| Ownership: | Privately owned |
| Owner: | Northwestern Lake Forest Grayslake |
| Address: | 1475 East Belvidere Rd Grayslake, IL 60030 |
| Phone number: | 847-535-8950 |
| Manager: | Roger Wojtowicz |
| Address: | 660 Westmoreland Rd Grayslake, IL 60045 |
| Phone number: | 847-535-6117 |
| Airport Use: | Private |
| Wind indicator: | Yes |
| Control Tower: | No |
| Lighting Schedule: | SS-SR |
| Beacon Color: | Clear-Green-Yellow (heliport) |
| Sectional chart: | Chicago |
| Region: | AGL - Great Lakes |
| Boundary ARTCC: | ZAU - Chicago |
| Responsible ARTCC: | ZAU - Chicago |
| Tie-in FSS: | IKK - Kankakee |
| 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 VFR OPNS AND PVT USE ONLY; COMMUNICATION COORDINATED BETWEEN LAKE FOREST HOSPITAL PAD AND C81; TKOF/LNDG AREA MKD. |