| Navaid Facility ID: | EKS |
| Official Navaid Facility ID: | EKS |
| Navaid Facility Type: | NDB |
| Navaid Name: | Ennis |
| City: | ENNIS |
| State: | MONTANA |
| FAA Region: | |
| Latitude: | 45-16-04.049N (45.2678) |
| Longitude: | 111-39-09.865W (-111.6527) |
| Lat/Long Survey Accuracy: | |
| Owner: | MONTANA AERONAUTICS DIV |
| Operator: | MADISON COUNTY ARPT BOARD |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 11.4 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZLC (SALT LAKE CITY) |
| ARTCC Low Altitude ID (Name): | ZLC (SALT LAKE CITY) |