| Navaid Facility ID: | OLY |
| Official Navaid Facility ID: | OLY |
| Navaid Facility Type: | NDB |
| Navaid Name: | Olney |
| City: | OLNEY-NOBLE |
| State: | ILLINOIS |
| FAA Region: | |
| Latitude: | 38-43-05.582N (38.7182) |
| Longitude: | 088-10-21.495W (-88.1726) |
| Lat/Long Survey Accuracy: | Unknown |
| Owner: | OLNEY NOBLE ARPT AUTH |
| Operator: | OLNEY NOBLE ARPT AUTH |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | MHW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 3.4 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | ZKC (KANSAS CITY) |
| ARTCC Low Altitude ID (Name): | ZKC (KANSAS CITY) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| OLY | NDB | 3RD PARTY SURVEY. |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| OLY | NDB | OLNEY NDB*IL, Pattern #: 1 |