| Identifier: | BUTLR |
| NAS ID: | BUTLR |
| Name: | BUTLR |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | ILLINOIS |
| ICAO Region: | K5 |
| Latitude: | 40-17-22.960N (40.289700) |
| Longitude: | 090-11-21.840W (-90.189400) |
| Magnetic Variance: | 2.1 W as of 9/30/2025 |
| High ARTCC Area: | ZAU |
| Low ARTCC Area: | ZAU |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| SPECIAL DP |
| SPECIAL IAP |