| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | 31IL |
| Airport Status: | Operational |
| Longitude/Latitude: | 089-16-50.0000W/37-15-10.0000N -89.280556/37.252778 (Estimated) |
| Elevation: | 346 ft / 105.46 m (Estimated) |
| Land: | 0 acres |
| From nearest city: | 1 nautical miles NW of Tamms, IL |
| Location: | Alexander County, IL |
| Magnetic Variation: | 00E (1995) |
| Ownership: | Privately owned |
| Owner: | Tamms Correctional Center |
| Address: | 1301 Concordia Court Springfield, IL 62794 |
| Phone number: | 217-522-2666 |
| Manager: | Maximum Security Unit |
| Address: | 8500 Supermax Road Tamms, IL 62988 |
| Phone number: | 217-522-2666 |
| Airport Use: | Private |
| Segmented Circle: | No |
| Control Tower: | No |
| Sectional chart: | St Louis |
| Region: | AGL - Great Lakes |
| Boundary ARTCC: | ZME - Memphis |
| Tie-in FSS: | COU - Columbia |
| FSS on Airport: | No |
| FSS Toll Free: | 1-800-WX-BRIEF |
| Dimension: | 40 x 40 ft / 12.2 x 12.2 m |
| Surface: | CONC, Good Condition |
| Runway H1 | Runway | |
|---|---|---|
| Traffic Pattern: | Left | Left |
| PRVDD THERE IS A MINIMUM 500 FT SEPN BETWEEN TFC IN THE TFC PAT AND IFR ACFT ON AN INST APCH; IF A TFC PAT IS TO BE FLOWN AT THIS HELIPORT; ADVISE CHICAGO FPO FOR AN IFR IMPACT EVALUATION. |