Grove Fld Airport (Camas, WA) 1W1 Cartes IFR (règles des instruments de vol)
| 5 | KTTD | Portland-Troutdale | Portland, OR |
| 10 | KPDX | Portland Intl | Portland, OR |
| 12 | KVUO | Pearson Fld | Vancouver, WA |
| 24 | KSPB | Scappoose | Scappoose, OR |
| 27 | KHIO | Portland-Hillsboro | Portland, OR |
