| Category | Subcategory | Lat | Lon | Range |
|---|---|---|---|---|
| Haigh Field (O37) | Airfield Operations | 39.72039 | -122.14636 | 5 |
| Willows/Glenn County (WLW) | Airfield Operations | 39.51575 | -122.21728 | 5 |
| Haigh Field (O37) | Air Traffic Control (Oakland Center) | 39.72039 | -122.14636 | 15 |
| Willows/Glenn County (WLW) | Air Traffic Control (Oakland Center) | 39.51575 | -122.21728 | 15 |
