| Navaid Facility ID: | ESU |
| Official Navaid Facility ID: | ESU |
| Navaid Facility Type: | NDB |
| Navaid Name: | Summerdale |
| City: | SUMMERDALE |
| State: | ALABAMA |
| FAA Region: | |
| Latitude: | 30-29-57.259N (30.4992) |
| Longitude: | 087-43-32.418W (-87.7257) |
| Lat/Long Survey Accuracy: | |
| Owner: | CITY OF FOLEY |
| Operator: | CITY OF FOLEY |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 3.1 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZJX (JACKSONVILLE) |
| ARTCC Low Altitude ID (Name): | ZJX (JACKSONVILLE) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| ESU | NDB | 3RD PARTY SURVEY. |
| ESU | NDB | NDB UNUSBL 060-280 BYD 10 NM BLO 3000 FT. |
| ESU | NDB | NDB UNUSBL BYD 20 NM. |