| Navaid Facility ID: | LYI |
| Official Navaid Facility ID: | LYI |
| Navaid Facility Type: | NDB |
| Navaid Name: | Libby |
| City: | LIBBY |
| State: | MONTANA |
| FAA Region: | |
| Latitude: | 48-18-17.296N (48.3048) |
| Longitude: | 115-29-48.767W (-115.4969) |
| Lat/Long Survey Accuracy: | |
| Owner: | MONTANA AERONAUTICS DIV |
| Operator: | LINCOLN COUNTY ARPT BOARD |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 13.4 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZSE (SEATTLE) |
| ARTCC Low Altitude ID (Name): | ZSE (SEATTLE) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| LYI | NDB | 3RD PARTY SURVEY |