| Identifier: | DEFFN |
| NAS ID: | DEFFN |
| Name: | DEFFN |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | SOUTH CAROLINA |
| ICAO Region: | K7 |
| Latitude: | 34-29-13.420N (34.487100) |
| Longitude: | 081-55-05.640W (-81.918200) |
| Magnetic Variance: | 7.2 W as of 9/30/2025 |
| High ARTCC Area: | ZTL |
| Low ARTCC Area: | ZTL |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| CONTROLLER HIGH |
| ENROUTE HIGH |
| STAR |