Mercer Ranch Airport (Alderdale, WA) WA00 Cartes IFR (règles des instruments de vol)
| 32 | KHRI | Hermiston Muni | Hermiston, OR |
| 33 | 9S9 | Lexington | Lexington, OR |
| 40 | KRLD | Richland | Richland, WA |
| 45 | KPSC | Tri-Cities | Pasco, WA |
| 53 | KPDT | Eastern Oregon Rgnl | Pendleton, OR |
