Skyport Airport (Cornelius, OR) 4S4 Cartes IFR (règles des instruments de vol)
| 6 | KHIO | Portland-Hillsboro | Portland, OR |
| 16 | KSPB | Scappoose | Scappoose, OR |
| 19 | KVUO | Pearson Fld | Vancouver, WA |
| 22 | KPDX | Portland Intl | Portland, OR |
| 27 | KMMV | Mc Minnville Muni | Mc Minnville, OR |
