| Navaid Facility ID: | SQM |
| Official Navaid Facility ID: | SQM |
| Navaid Facility Type: | NDB |
| Navaid Name: | Sumner Strait |
| City: | LEVEL ISLAND |
| State: | ALASKA |
| FAA Region: | |
| Latitude: | 56-27-52.491N (56.4646) |
| Longitude: | 133-05-50.550W (-133.0974) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | HW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 17.6 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 | Magnetic Variance | Airspace Fixes |
|---|---|---|---|
| SQM | NDB | 18.1 E | WUBDO AK - PA |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| SQM | NDB | SUMNER STRAIT NDB*AK, Pattern #: 1 SUMNER STRAIT NDB*AK, Pattern #: 2 |