| Navaid Facility ID: | SIF |
| Official Navaid Facility ID: | SIF |
| Navaid Facility Type: | NDB |
| Navaid Name: | Slammer |
| City: | REIDSVILLE |
| State: | NORTH CAROLINA |
| FAA Region: | |
| Latitude: | 36-22-54.139N (36.3817) |
| Longitude: | 079-45-46.018W (-79.7628) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | ROCKINGHAM COUNTY |
| Operator: | ROCKINGHAM COUNTY |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 8.8 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZDC (WASHINGTON) |
| ARTCC Low Altitude ID (Name): | ZDC (WASHINGTON) |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| SIF | NDB | SLAMMER NDB*NC, Pattern #: 1 |