| Navaid Facility ID: | CGL |
| Official Navaid Facility ID: | CGL |
| Navaid Facility Type: | NDB |
| Navaid Name: | Coghlan Island |
| City: | COGHLAN ISLAND |
| State: | ALASKA |
| FAA Region: | |
| Latitude: | 58-21-33.572N (58.3593) |
| Longitude: | 134-41-58.024W (-134.6995) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | HWZ |
| Hours of Operation: | 24 |
| Magnetic Variance: | 17.8 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 |
|---|---|---|
| CGL | NDB | NDB UNUSABLE 325-050 BEYOND 30 NM. |
| CGL | NDB | NDB UNUSABLE 270-324 BEYOND 35 NM. |
| CGL | NDB | NDB UNUSABLE 220-270 BYD 24 NM BLO 13000 FT. |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| CGL | NDB | COGHLAN ISLAND NDB*AK, Pattern #: 1 CUSHI INT*AK*PA, Pattern #: 2 LYNNS INT*AK*PA, Pattern #: 2 |