Stargazer Fld Airport (Sandy, OR) 4OR6 Cartes IFR (règles des instruments de vol)
| 10 | KTTD | Portland-Troutdale | Portland, OR |
| 19 | KPDX | Portland Intl | Portland, OR |
| 23 | KVUO | Pearson Fld | Vancouver, WA |
| 29 | KUAO | Aurora State | Aurora, OR |
| 34 | KHIO | Portland-Hillsboro | Portland, OR |
