| Navaid Facility ID: | SPF |
| Official Navaid Facility ID: | SPF |
| Navaid Facility Type: | NDB |
| Navaid Name: | Black Hills |
| City: | SPEARFISH |
| State: | SOUTH DAKOTA |
| FAA Region: | |
| Latitude: | 44-29-03.669N (44.4844) |
| Longitude: | 103-47-03.835W (-103.7844) |
| Lat/Long Survey Accuracy: | |
| Owner: | COUNTY OF LAWRENCE |
| Operator: | COUNTY OF LAWRENCE |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 7.3 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZDV (DENVER) |
| ARTCC Low Altitude ID (Name): | ZDV (DENVER) |