| Navaid Facility ID: | BK |
| Official Navaid Facility ID: | BK |
| Navaid Facility Type: | NDB |
| Navaid Name: | Chrlz |
| City: | BROOKINGS |
| State: | SOUTH DAKOTA |
| FAA Region: | |
| Latitude: | 44-21-16.296N (44.3545) |
| Longitude: | 096-56-48.535W (-96.9468) |
| Lat/Long Survey Accuracy: | |
| Owner: | FEDERAL AVIATION ADMINISTRATION |
| Operator: | FEDERAL AVIATION ADMINISTRATION |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | LOMW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 2.7 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| BK | NDB | CHRLZ NDB*SD, Pattern #: 1 |