| Category | Subcategory | Lat | Lon | Range |
|---|---|---|---|---|
| Dunsmuir Municipal (1O6) | Airfield Operations | 41.26306 | -122.27211 | 5 |
| Happy Camp (36S) | Airfield Operations | 41.79068 | -123.38894 | 5 |
| Montague-Yreka Rohrer Field (1O5) | Airfield Operations | 41.72998 | -122.54448 | 5 |
| Scott Valley (A30) | Airfield Operations | 41.55778 | -122.85494 | 5 |
| Siskiyou County (SIY) | Airfield Operations | 41.78144 | -122.46811 | 5 |
| Weed (O46) | Airfield Operations | 41.48081 | -122.45453 | 5 |
| Siskiyou County (SIY) | Air Traffic Control (Seattle Center) | 41.78144 | -122.46811 | 15 |
