| Identifier: | GARTT |
| NAS ID: | GARTT |
| Name: | GARTT |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | WISCONSIN |
| ICAO Region: | K5 |
| Latitude: | 42-47-54.490N (42.798500) |
| Longitude: | 089-12-02.740W (-89.200800) |
| Magnetic Variance: | 3.1 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 |
| CONTROLLER LOW |
| ENROUTE LOW |