| Navaid Facility ID: | ISQ |
| Official Navaid Facility ID: | ISQ |
| Navaid Facility Type: | DME |
| Navaid Name: | Schoolcraft County |
| City: | MANISTIQUE |
| State: | MICHIGAN |
| FAA Region: | |
| Latitude: | 45-58-34.806N (45.9763) |
| Longitude: | 086-10-24.371W (-86.1734) |
| Lat/Long Survey Accuracy: | 1 second or better |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | H-DME |
| Hours of Operation: | 24 |
| Magnetic Variance: | 5.8 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZMP (MINNEAPOLIS) |
| ARTCC Low Altitude ID (Name): | ZMP (MINNEAPOLIS) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| ISQ | DME | 3RD PARTY SURVEY. |
| ISQ | DME | DME UNUSBL BLW 7000 FT. |