| Category | Subcategory | Lat | Lon | Range |
|---|---|---|---|---|
| Angwin-Parrett Field (2O3) | Airfield Operations | 38.58003 | -122.43547 | 5 |
| Napa County (APC) | Airfield Operations | 38.21319 | -122.28069 | 5 |
| Napa County (APC) | Air Traffic Control (Oakland Center) | 38.21319 | -122.28069 | 15 |
| Category | Subcategory | Lat | Lon | Range |
|---|---|---|---|---|
| Angwin-Parrett Field (2O3) | Airfield Operations | 38.58003 | -122.43547 | 5 |
| Napa County (APC) | Airfield Operations | 38.21319 | -122.28069 | 5 |
| Napa County (APC) | Air Traffic Control (Oakland Center) | 38.21319 | -122.28069 | 15 |