Bob's Fld Airport (Trout Lake, WA) 36WA Cartes IFR (règles des instruments de vol)
| 28 | KDLS | Columbia Gorge Rgnl | The Dalles, OR |
| 52 | KTTD | Portland-Troutdale | Portland, OR |
| 59 | KPDX | Portland Intl | Portland, OR |
| 61 | KVUO | Pearson Fld | Vancouver, WA |
| 62 | KYKM | Yakima Air Terminal | Yakima, WA |
