| Navaid Facility ID: | TNZ |
| Official Navaid Facility ID: | TNZ |
| Navaid Facility Type: | NDB |
| Navaid Name: | Lawrence County |
| City: | WALNUT RIDGE |
| State: | ARKANSAS |
| FAA Region: | |
| Latitude: | 36-12-24.981N (36.2069) |
| Longitude: | 090-55-23.226W (-90.9231) |
| Lat/Long Survey Accuracy: | |
| Owner: | CITY OF WALNUT RIDGE |
| Operator: | CITY OF WALNUT RIDGE |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 1.3 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZME (MEMPHIS) |
| ARTCC Low Altitude ID (Name): | ZME (MEMPHIS) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| TNZ | NDB | NDB UNMONITORED 1700-0700. |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| TNZ | NDB | LAWRENCE COUNTY NDB*AR, Pattern #: 1 |