| Navaid Facility ID: | RYS |
| Official Navaid Facility ID: | RYS |
| Navaid Facility Type: | NDB |
| Navaid Name: | Grosse Ile |
| City: | DETROIT GROSSE ILE |
| State: | MICHIGAN |
| FAA Region: | |
| Latitude: | 42-06-04.044N (42.1011) |
| Longitude: | 083-09-10.718W (-83.153) |
| Lat/Long Survey Accuracy: | |
| Owner: | TOWNSHIP OF GROSSE ILE |
| Operator: | TOWNSHIP OF GROSSE ILE |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 7.4 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | ZOB (CLEVELAND) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| RYS | NDB | 3RD PARTY SURVEY. |
| RYS | NDB | NDB LCTD 265' SW RWY 21 DSPLCD THR & 770' E RWY 03/21 CNTRLN. |
| Navaid ID | Navaid Facility Type | Magnetic Variance | Airspace Fixes |
|---|---|---|---|
| RYS | NDB | 7.4 W | AHLES MI - K5 |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| RYS | NDB | GROSSE ILE NDB*MI, Pattern #: 1 |