| Navaid Facility ID: | LLU |
| Official Navaid Facility ID: | LLU |
| Navaid Facility Type: | NDB |
| Navaid Name: | Spring River |
| City: | LAMAR |
| State: | MISSOURI |
| FAA Region: | |
| Latitude: | 37-29-18.442N (37.4885) |
| Longitude: | 094-18-34.786W (-94.3097) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | CITY OF LAMAR |
| Operator: | CITY OF LAMAR |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 1 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZKC (KANSAS CITY) |
| ARTCC Low Altitude ID (Name): | ZKC (KANSAS CITY) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| LLU | NDB | SITE LCTD AER 21 SSW ON CNTRL 1495' THEN ESE PERPENDICULAR TO RWY 21 595. |