| Identifier: | LADDI |
| NAS ID: | LADDI |
| Name: | LADDI |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | ILLINOIS |
| ICAO Region: | K5 |
| Latitude: | 42-04-36.910N (42.076900) |
| Longitude: | 087-46-55.400W (-87.782100) |
| Magnetic Variance: | 4.1 W as of 9/30/2025 |
| High ARTCC Area: | ZAU |
| Low ARTCC Area: | ZAU |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| SID |