| Navaid Facility ID: | IY |
| Official Navaid Facility ID: | IY |
| Navaid Facility Type: | NDB |
| Navaid Name: | Chukk |
| City: | CHARLES CITY |
| State: | IOWA |
| FAA Region: | |
| Latitude: | 43-08-02.101N (43.1339) |
| Longitude: | 092-43-41.489W (-92.7282) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | FEDERAL AVIATION ADMIN. |
| Operator: | FEDERAL AVIATION ADMIN. |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 0.4 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 | Holding Patterns |
|---|---|---|
| IY | NDB | CHUKK NDB*IA, Pattern #: 1 |