Hammer Evoc Skid Pad Airport (Richland, WA) WT02 Cartes IFR (règles des instruments de vol)
| 4 | KRLD | Richland | Richland, WA |
| 12 | KPSC | Tri-Cities | Pasco, WA |
| 37 | KHRI | Hermiston Muni | Hermiston, OR |
| 52 | KPDT | Eastern Oregon Rgnl | Pendleton, OR |
| 53 | KALW | Walla Walla Rgnl | Walla Walla, WA |
