| Identifier: | JHONN |
| NAS ID: | JHONN |
| Name: | JHONN |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | ILLINOIS |
| ICAO Region: | K5 |
| Latitude: | 42-00-04.510N (42.001300) |
| Longitude: | 088-30-43.540W (-88.512100) |
| Magnetic Variance: | 3.5 W as of 9/30/2025 |
| High ARTCC Area: | ZAU |
| Low ARTCC Area: | ZAU |
| Published: | Yes |
| Charts: | RNAV |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| ILS ID | ILS Facility Type | Direction / Course |
|---|---|---|
| SAJ | ILS-DME | r272.99/26.04 |
| IAP |