| Identifier: | HARLN |
| NAS ID: | HARLN |
| Name: | HARLN |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | SOUTH DAKOTA |
| ICAO Region: | K3 |
| Latitude: | 44-12-22.050N (44.206100) |
| Longitude: | 103-32-44.790W (-103.545800) |
| Magnetic Variance: | 7.2 E as of 9/30/2025 |
| High ARTCC Area: | ZDV |
| Low ARTCC Area: | ZDV |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| IAP |