| Identifier: | JAMMS |
| NAS ID: | JAMMS |
| Name: | JAMMS |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | IOWA |
| ICAO Region: | K3 |
| Latitude: | 41-47-11.560N (41.786500) |
| Longitude: | 091-16-04.460W (-91.267900) |
| Magnetic Variance: | 1.4 W as of 9/30/2025 |
| High ARTCC Area: | ZAU |
| Low ARTCC Area: | ZAU |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |