| Navaid Facility ID: | NUD |
| Official Navaid Facility ID: | NUD |
| Navaid Facility Type: | TACAN |
| Navaid Name: | Adak |
| City: | ADAK ISLAND |
| State: | ALASKA |
| FAA Region: | |
| Latitude: | 51-52-16.648N (51.8713) |
| Longitude: | 176-40-26.743W (-176.6741) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | US NAVY |
| Operator: | US NAVY |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | H-TACAN |
| Hours of Operation: | 24 |
| Magnetic Variance: | 3.4 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZAN (ANCHORAGE) |
| ARTCC Low Altitude ID (Name): | ZAN (ANCHORAGE) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| NUD | TACAN | TACAN AZM & DME UNUSBL 003-077 BYD 35 NM BLO 7700 FT; 078-147 BYD 20 NM BLO 11000 FT; 148-232 BYD 20 NM BLO 17000 FT; 262-292 BYD 25 NM BLO 9000 FT;293-302 BYD 15 NM; 303-337 ALL DSTCS ALL ALTS; 337-002 BYD 15 NM. |