| Navaid Facility ID: | CRN |
| Official Navaid Facility ID: | CRN |
| Navaid Facility Type: | NDB |
| Navaid Name: | Cairn Mountain |
| City: | SPARREVOHN |
| State: | ALASKA |
| FAA Region: | |
| Latitude: | 61-06-06.300N (61.1018) |
| Longitude: | 155-34-07.130W (-155.5686) |
| Lat/Long Survey Accuracy: | 10 seconds |
| Owner: | US AIR FORCE |
| Operator: | US AIR FORCE |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | HW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 12.1 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 |
|---|---|---|
| CRN | NDB | NDB HAS NO STANDBY TRANSMITTER, MAY BE SHUTDOWN WITHOUT PRIOR NOTICE. |
| Navaid ID | Navaid Facility Type | Magnetic Variance | Airspace Fixes |
|---|---|---|---|
| CRN | NDB | 12.7 E | SCALP AK - PA |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| CRN | NDB | CAIRN MOUNTAIN NDB*AK, Pattern #: 1 |