| Navaid Facility ID: | NSI |
| Official Navaid Facility ID: | NSI |
| Navaid Facility Type: | TACAN |
| Navaid Name: | San Nicolas |
| City: | SAN NICOLAS ISLAND |
| State: | CALIFORNIA |
| FAA Region: | |
| Latitude: | 33-14-06.280N (33.2351) |
| Longitude: | 119-27-30.230W (-119.4584) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | US NAVY |
| Operator: | US NAVY |
| Common System Usage: | No |
| Public Use: | Yes |
| Navaid Class: | L-TACAN |
| Hours of Operation: | 24 |
| Magnetic Variance: | 11.5 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZLA (LOS ANGELES) |
| ARTCC Low Altitude ID (Name): | ZLA (LOS ANGELES) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| NSI | TACAN | TACAN AZM UNUSBL 108-123 BYD 29 NM BLW 7700 FT, 123-283 BYD 8 NM BLW 5500 FT, 123-283 BYD 12 NM. |
| NSI | TACAN | TACAN UNMON WHEN AFLD CLSD. |
| NSI | TACAN | DME UNUSBL 108-123 BYD 29 NM BLW 7700 FT, 123-283 BYD 8 NM BLW 5500 FT, 123-283 BYD 12 NM. |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| NSI | TACAN | CAROM INT*CA*K2, Pattern #: 1 FOBDA INT*CA*K2, Pattern #: 1 |