Curtis Airport (Curtis, WA) 0WA2 Cartes IFR (règles des instruments de vol)
| 8 | KCLS | Chehalis-Centralia | Chehalis, WA |
| 16 | KTDO | South Lewis Co | Toledo, WA |
| 28 | KOLM | Olympia Rgnl | Olympia, WA |
| 34 | KKLS | Southwest Washington Rgnl | Kelso, WA |
| 45 | KSHN | Sanderson Fld | Shelton, WA |
