| Identifier: | DEFSA |
| NAS ID: | DEFSA |
| Name: | DEFSA |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | IOWA |
| ICAO Region: | K3 |
| Latitude: | 41-46-28.570N (41.774600) |
| Longitude: | 093-00-19.550W (-93.005400) |
| Magnetic Variance: | 0.1 W as of 9/30/2025 |
| High ARTCC Area: | ZAU |
| Low ARTCC Area: | ZAU |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |