Sohler's Holly Hill Airport (Hillsboro, OR) OR31 Cartes IFR (règles des instruments de vol)
| 9 | KHIO | Portland-Hillsboro | Portland, OR |
| 16 | KUAO | Aurora State | Aurora, OR |
| 17 | KMMV | Mc Minnville Muni | Mc Minnville, OR |
| 22 | KVUO | Pearson Fld | Vancouver, WA |
| 23 | KPDX | Portland Intl | Portland, OR |
