| FAA Information Effective: | 2013-12-12 | 
| Airport Identifier: | 36LL | 
| Airport Status: | Operational | 
| Longitude/Latitude: | 090-37-20.0000W/39-09-32.0000N -90.622222/39.158889 (Estimated) | 
| Elevation: | 460 ft / 140.21 m (Estimated) | 
| Land: | 0 acres | 
| From nearest city: | 0 nautical miles N of Hardin, IL | 
| Location: | Calhoun County, IL | 
| Magnetic Variation: | 01E (2000) | 
| Ownership: | Privately owned | 
| Owner: | Calhoun Medical Center | 
| Address: | 2 Myrtle Lane Hardin, IL 62047 | 
| Phone number: | 618-576-2291 | 
| Manager: | William Hurley | 
| Address: | Po Box A Hardin, IL 62047 | 
| Phone number: | 618-576-2225 | 
| Airport Use: | Private | 
| Wind indicator: | Yes | 
| Segmented Circle: | No | 
| Control Tower: | No | 
| Lighting Schedule: | SEE RMK ACTVT PERIMETER LGTS, ROTG BCN & WIND SOCK - 123.05. RDO-CTL | 
| Beacon Color: | Clear-Green-Yellow (heliport) | 
| Sectional chart: | Kansas City | 
| Region: | AGL - Great Lakes | 
| Boundary ARTCC: | ZKC - Kansas City | 
| Tie-in FSS: | STL - Saint Louis | 
| FSS Toll Free: | 1-800-WX-BRIEF | 
| Dimension: | 40 x 40 ft / 12.2 x 12.2 m | 
| Surface: | CONC, | 
| Runway HI | Runway | |
|---|---|---|
| Traffic Pattern: | Left | Left | 
| PRVDD DAY TIME USE ONLY, APCH FM 080-090 & FM 270, HELIPORT NOT SAFE FOR NIGHT OPNS DUE TO STEEPLY RISING TERRAIN. |